Best Smart Thermostats 2024

Our selection of the 18 best smart thermostats compatible with Alexa (2026)

Independent guide to the best smart thermostats compatible with Alexa, comparing Nest, Ecobee, and Mysa, with tips on sensors, energy savings, and privacy.

Tomasz Nowakowski
Tomasz Nowakowski
Tech Reviewer
17 February 2026 10 min read
Discover our ranking of the 18 best smart thermostats compatible with Alexa based on our tests.

Why the best smart thermostats compatible with Alexa matter for everyday comfort

The best smart thermostats compatible with Alexa turn a basic thermostat into a responsive home assistant. When a smart thermostat works with Alexa and Amazon Alexa devices, you gain hands free voice control over temperature and heating schedules. This combination of smart features with Alexa support helps many households balance comfort, energy savings, and simplicity.

For people comparing thermostats and smart thermostats, the main difference lies in automation and connectivity. A traditional thermostat lets you set a fixed temperature, while a smart thermostat connects to an app and integrates with Amazon, Google Nest, and other platforms for remote control. The best smart thermostats compatible with Alexa also use sensors to track air temperature in several rooms, which improves comfort and can save money on energy bills.

Many buyers focus on famous brands such as Nest, Ecobee, and Mysa smart heating solutions. A Nest learning thermostat or Ecobee smart thermostat premium model can adjust temperature automatically based on your routine, while Mysa smart thermostats specialize in electric baseboard heating. These smart thermostats compatible with Alexa often include an air quality sensor, occupancy sensors, and detailed energy reports.

People seeking information often ask whether a smart thermostat will really deliver energy savings. When a thermostat with Alexa integration uses accurate sensors and a well tuned schedule, it can reduce unnecessary heating or air conditioning runtime. Over time, that combination of smart control, app insights, and voice control through Amazon Alexa or the Alexa app can significantly cut costs without sacrificing comfort.

Ranking

#1 🏆 Best choice
° Smart Thermostat Starter Kit V3+ - Intelligent heating control, works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT

tado

° Smart Thermostat Starter Kit V3+ - Intelligent heating control, works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT

⭐ Très bien noté 🔥 Populaire
  • Very good app and scheduling with precise temperature control
  • Works with Alexa, Google Assistant, and Apple HomeKit without extra fees
  • Clear installation guidance and decent battery life with early low‑battery warnings
Overall, the tado° Smart Thermostat Starter Kit V3+ is a solid upgrade from a basic wired thermostat. The big wins are the app control, proper scheduling, and more stable temperatures. It looks clean on the wall, the installation guidance is clear if you’re even slightly handy, and it plays nicely with Alexa, Google Assistant, and Apple HomeKit. Battery life is decent, and once everything is set up, it mostly just does its job in the background. You don’t need the subscription for the core features, which is important – the free notifications for away mode and open windows cover most use cases for normal users.It’s not flawless though. The on‑device controls are a bit fiddly and not ideal for non‑techy or older people. Some of the more heavily advertised “smart” bits are locked behind a small monthly fee, which feels slightly annoying even if you can skip it. If you expand to radiator valves, be ready for some adapter quirks and extra cost. And the energy savings are real but not dramatic; think better comfort and a bit more control rather than massive bill cuts.If you want a practical, app‑driven thermostat that you can later expand into a room‑by‑room system, tado makes sense. If you’re after the slickest, most idiot‑proof single thermostat and don’t care about multi‑room, something like Nest might feel a bit more straightforward. For me, tado hits a good middle ground: not perfect, not cheap, but a pretty solid everyday upgrade that genuinely improves how I manage heating at home.
8.5 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#2
Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Required, ST75 Black 5.625" x 3.4" x 1.17"

Emerson

Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Required, ST75 Black 5.625" x 3.4" x 1.17"

🔥 Populaire
  • Simple, logical interface on both the touchscreen and the app
  • Stable Wi‑Fi performance and reliable remote control with Alexa/Google/HomeKit support
  • Good value for money with practical energy-saving features like scheduling and geofencing
Overall, the Emerson Sensi Touch ST75 is a practical, no-drama smart thermostat. It doesn’t try to be the coolest gadget in your house; it just gives you reliable temperature control, an easy-to-read touchscreen, and a decent app so you can manage heating and cooling from your phone or with your voice assistant. The setup is straightforward if you already have or can easily add a C‑wire, and once it’s configured properly for your HVAC system, it runs quietly in the background without much attention.It’s a good fit for people who want simple smart features – scheduling, geofencing, basic energy savings, Alexa/Google/HomeKit support – without paying top dollar or dealing with overly clever “learning” behavior. If you like having clear manual control and you don’t need fancy room sensors or deep analytics, it hits a nice balance between price and features. On the flip side, if you’re in the EU, or you absolutely refuse to touch wiring to add a C‑wire, or you want the most advanced smart-home integrations and data, this probably isn’t the right pick for you. For a typical North American home with standard wiring, though, it’s a pretty solid, good-value thermostat that gets the job done without much hassle.
8.4 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#3
T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist

‎Honeywell Home

T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist

🔥 Populaire
  • Remote room sensors let you control temperature based on specific rooms or averages
  • App and touchscreen are easy to use for scheduling and remote control
  • Generally reliable WiFi connection and broad HVAC compatibility when wired correctly
The Honeywell Home T9 is a solid, no‑nonsense smart thermostat for people who care more about comfort and remote control than about having the fanciest gadget on the wall. It handles the basics well: app control is straightforward, the touchscreen is easy to use, and it works with most typical gas/oil/electric forced‑air systems, plus heat pumps with backup. The real strength is the optional Smart Room Sensors. If you’ve got rooms that are always too hot or too cold, being able to focus on specific sensors at different times (like bedroom at night, office on weekends, whole house during the day) actually makes a noticeable difference.It’s not perfect. The design is fairly plain, the sensors are a bit bulky, and the presence/geofencing logic isn’t as smart as some competitors. It also skips some advanced HVAC features like accessory control and fine‑tuned fan settings. There are a few reports of units acting up after a year, and getting warranty help doesn’t always look smooth, especially outside major markets. Still, for the price, it’s a pretty practical option.I’d say the T9 is a good fit if you: 1) have a compatible system with a C‑wire (or are willing to install the adapter), 2) want to fix temperature differences between rooms using sensors, and 3) don’t need super advanced HVAC controls. If you just want a basic WiFi thermostat and don’t care about sensors, you can spend less. If you want top‑tier features, better accessory support, and a more premium look, Ecobee or high‑end Nest models are better picks, but you’ll pay for it.
8.4 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#4
Bosch Smart Home - Thermostat d’Ambiance II pour Les systèmes de Chauffage câblés, 230 V, Compatible avec l’Assistant Google et Alexa Thermostat d’ambiance II 230V

Bosch

Bosch Smart Home - Thermostat d’Ambiance II pour Les systèmes de Chauffage câblés, 230 V, Compatible avec l’Assistant Google et Alexa Thermostat d’ambiance II 230V

🔥 Populaire
  • Stable and accurate temperature control for wired and underfloor heating
  • Clean integration with Bosch Smart Home Controller, Alexa, and Google Assistant
  • Simple, clear interface with rotary knob and LED matrix display
Overall, the Bosch Smart Home Room Thermostat II for wired / underfloor heating is a solid, no-nonsense smart thermostat that does what it’s supposed to do without a lot of drama. It keeps the room at a stable temperature, integrates cleanly with the Bosch Smart Home Controller, and works fine with Alexa and Google Assistant. The design is simple and neutral, the controls are straightforward with a rotary knob and clear LED display, and once you’ve set your schedules, it mostly disappears into the background and just runs.It’s not perfect, though. The main downsides are the total cost once you factor in the required hub, and the fact that it’s really aimed at people who are already in (or committed to) the Bosch ecosystem. The 230 V wired requirement also means installation is not trivial if you don’t already have the cabling in place. For tinkerers using Home Assistant, it works but may need some tweaking of the deadband/hysteresis to avoid short cycling a boiler. So it’s more of a reliable work tool than a flashy gadget.I’d recommend this thermostat to homeowners with existing wired or underfloor heating who already own a Bosch Smart Home Controller or plan to build a Bosch-based smart home. In that setup, it offers good comfort, solid integration, and enough smart features to be useful without being overcomplicated. If you’re just looking for a single smart thermostat with Wi‑Fi and no hub, or you’re on a tight budget, I’d look at other options first, because for a one-off install this can feel a bit expensive for what it does.
8.4 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
See offer Amazon
#5
Smart Thermostat for Electric Underfloor Heating, WiFi Room Thermostat with Timer, Dual Sensors, Heating & Cooling, Energy Saving, App Control, Works with Alexa and Google, Hubless Alexa Electric Heating

meross

Smart Thermostat for Electric Underfloor Heating, WiFi Room Thermostat with Timer, Dual Sensors, Heating & Cooling, Energy Saving, App Control, Works with Alexa and Google, Hubless Alexa Electric Heating

  • Easy to install as a replacement for existing electric underfloor thermostats (can reuse existing floor sensor)
  • Reliable app and Alexa/Google control with simple scheduling and remote access
  • Stable temperature control with dual sensors and useful features like open-window detection and child lock
Overall, the Meross MTS205 is a practical smart thermostat for electric underfloor heating that does what most people actually need: it makes the floor warm when you want, lets you control it easily from your phone or voice, and helps avoid wasting power with proper schedules and a few smart tricks like open-window detection. The temperature control is stable, the dual sensors are useful, and installation is straightforward if you already have live and neutral at the wall box.It’s not perfect. The app is functional rather than slick, the energy reports are basic, and the screen going fully dark when idle can be slightly confusing at first. There’s also no dedicated earth terminal on the front, which feels like a small oversight. But in daily use, these are minor annoyances, not deal-breakers. The important part is that Wi‑Fi setup works, Alexa/Google integration is reliable, and you don’t have to fight with the interface every time you want to tweak the schedule.If you have electric underfloor heating and currently use a dumb thermostat that’s a pain to program, this is a solid upgrade that brings real convenience and likely some energy savings. If you’re running a boiler, water-based UFH, or you don’t have neutral at the switch, this is the wrong product. For typical electric mat systems in bathrooms, kitchens, or bedrooms, I’d say it’s a good, sensible choice at a fair price, especially if you’re already in the Alexa or Google ecosystem.
8.4 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#6
Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Compatible with Alexa, Energy Star Certified, C-wire Required, ST75W

Sensi

Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Compatible with Alexa, Energy Star Certified, C-wire Required, ST75W

🔥 Populaire
  • Clear touchscreen and simple app make everyday use and scheduling straightforward
  • Stable Wi‑Fi connection and solid Alexa/Google/HomeKit/SmartThings integration
  • Good compatibility with typical HVAC systems and supports features like two‑stage heating and circulation control
The Emerson Sensi Touch ST75W is basically a no‑nonsense smart thermostat. It doesn’t try to impress you with futuristic design or complicated learning modes. Instead, it focuses on being easy to read, easy to control from your phone, and stable on Wi‑Fi. In my experience, it hits those points well. The touchscreen is clear, the app is straightforward, and integrations with Alexa, Google Assistant, HomeKit, and SmartThings work like they’re supposed to. If you like the idea of smart control but don’t want a gadget that constantly needs tweaking, this is a solid fit.It’s not perfect though. The hard requirement for a C‑wire means some people will either have to run new wiring or pay someone to do it. The design is more “appliance” than “cool tech,” and the energy reports and alerts are a bit basic. If you’re the kind of person who wants deep analytics, motion sensors, learning algorithms, and a super sleek look, you’ll probably be happier with a higher‑end Nest or Ecobee and just pay the extra. But if your priority is a reliable, simple, app‑controlled thermostat that works with most smart home platforms and doesn’t feel overcomplicated, the Sensi Touch offers good value and a pretty low‑stress ownership experience.
8.4 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#7 🔥 Most popular
RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready - C-Wire Required White 1

Honeywell Home

RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready - C-Wire Required White 1

🔥 Populaire
  • Straightforward app control and scheduling that work reliably once set up
  • Clear color touchscreen with customizable background and easy-to-read info
  • Good compatibility with most standard 24V systems and voice assistants (Alexa, Google)
The Honeywell Home RTH9600WF is a no-nonsense smart thermostat that does the core job well: it keeps your home at the temperature you want and lets you control it from your phone or with Alexa/Google. The color touchscreen is easy to read, the UI is simple enough for non-techy people, and once it’s installed, it just quietly does its job. It’s not packed with high-end tricks, but for everyday use, it covers the essentials: scheduling, app control, basic energy info, and smart alerts.It’s not perfect, though. The C‑wire requirement is a real barrier if your system is older, and getting around that can cost extra. The touchscreen feels a bit dated compared to newer devices, and you don’t get things like remote sensors or occupancy detection. If you want deep automation and room-by-room fine-tuning, this isn’t the right model. But if you’re in a typical single-zone home with a compatible 24V system and you just want something reliable that feels familiar, it’s a solid middle-ground choice.Who it’s for: homeowners who already have (or can easily add) a C‑wire, want remote control and simple scheduling, and prefer a classic thermostat layout over a fancy design. Who should skip it: people with incompatible systems (like some European setups or electric baseboard), anyone without a C‑wire who doesn’t want to mess with wiring, and those who really care about advanced smart features like room sensors and heavy automation. For the average user who just wants to upgrade from a dumb thermostat without overcomplicating their life, this model gets the job done.
8.3 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#8
Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible with Alexa, Apple HomeKit and Google Home App - Polished Gold

‎Google

Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible with Alexa, Apple HomeKit and Google Home App - Polished Gold

🔥 Populaire
  • Smart learning algorithms
  • Easy integration with smart home systems
  • Polished design with large display
The Nest Learning Thermostat (4th Gen) is a solid option for those looking to incorporate smart technology into their home. It offers a nice balance of aesthetics, functionality, and smart features, making it a good fit for tech-savvy homeowners who appreciate convenience and potential energy savings.However, if budget is a concern, or if your home already functions well with a less expensive thermostat, you might not find the additional features worth the extra cost. It’s well-suited for those who enjoy the integration with smart home systems and are keen on the energy-saving aspect.Overall, it’s a worthwhile investment for those who want their home to be as smart as possible, but it may not be necessary for everyone. If you value the combination of style, technology, and potential savings, the Nest Learning Thermostat (4th Gen) is worth considering.
8.3 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#9
Smart Thermostat Premium with Siri and Alexa and Built in Air Quality Monitor and Smart Sensor with SmartSensor for Doors and Windows 2-Pack, White Thermostat + Door & Window Sensors

‎ecobee

Smart Thermostat Premium with Siri and Alexa and Built in Air Quality Monitor and Smart Sensor with SmartSensor for Doors and Windows 2-Pack, White Thermostat + Door & Window Sensors

🔥 Populaire
  • Versatile smart home integration
  • Solid build quality
  • Includes SmartSensors
The ecobee Smart Thermostat Premium is a strong contender in the smart thermostat market, especially for those who value integration with other smart home systems like Siri and Alexa. Its sleek design and robust build quality make it a solid choice for modern homes. The included SmartSensors are a nice addition for added security and comfort.However, if you’re not planning to use all the features, particularly the air quality monitor and smart home integrations, you might find the price a bit steep. The requirement of a subscription for full security features is also something to consider.Overall, for tech-savvy users looking to integrate multiple smart features into their home, this thermostat offers good value despite the higher cost. But for those just seeking basic smart home temperature control, there are more budget-friendly options available.
8.3 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
See offer Amazon
#10
Smart Thermostat X – Starter Kit Wired Room Thermostat & Bridge X, Control via App & Smart Speaker (Alexa, Siri, Google Assistant), DIY Installation X Starter Kit: Wired Heating Starter Kit

tado

Smart Thermostat X – Starter Kit Wired Room Thermostat & Bridge X, Control via App & Smart Speaker (Alexa, Siri, Google Assistant), DIY Installation X Starter Kit: Wired Heating Starter Kit

🔥 Populaire
  • Clean, minimal design with a solid-feeling thermostat and discreet bridge
  • Reliable core features: scheduling, app control, voice assistant support, and clear temperature/humidity graphs
  • Matter and Thread support for better smart home integration and future-proofing
The tado Smart Thermostat X Starter Kit is a solid choice if you want to move from a dumb wired thermostat to something you can control from your phone or smart speaker. The hardware feels decent, the app is clear once you get used to it, and the basic features – scheduling, remote control, voice control, and temperature/humidity graphs – all work reliably. The Matter/Thread support is a bonus if you’re trying to build a modern smart home setup that doesn’t depend on one brand’s ecosystem.Where it falls down a bit is on installation complexity and subscriptions. For simple systems, the online step-by-step guide is enough and you can get it running in under an hour. But with some UK-style boilers or more complex wiring, you might hit a wall and need tado support to enable certain modes in the background. That’s not great for something that advertises DIY installation. On top of that, a bunch of the more attractive AI features – proper automatic geofencing, open window automation, deeper energy insights – sit behind a paid plan. The thermostat is still very usable without it, but you need to go in knowing that.If you want a clean-looking thermostat, decent app, and you’re comfortable either DIY-ing or at least reading wiring diagrams carefully, this is a good option. If you’re in the UK with a more traditional multi-zone or complex system, or if you hate subscriptions on principle, you might be happier with something like Drayton Wiser or Hive that’s more tailored to that market and leans less on paid add-ons. Overall, I’d give the tado Smart Thermostat X a thumbs up for tech-savvy users with compatible boilers, and a cautious “maybe” for everyone else.
8.3 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#11
WiFi Smart Thermostat Works with HomeKit Alexa Google Home, Digital Wireless Thermostat Temperature Controller Remote and Voice Control for Heating and Cooling, 13A, White Thermostat Plug

meross

WiFi Smart Thermostat Works with HomeKit Alexa Google Home, Digital Wireless Thermostat Temperature Controller Remote and Voice Control for Heating and Cooling, 13A, White Thermostat Plug

🔥 Populaire
  • Accurate enough temperature control with reliable Wi‑Fi and app integration
  • Works with HomeKit, Alexa, Google, and SmartThings without subscriptions
  • Flexible scheduling and override options that actually help save energy
The Meross WiFi Smart Thermostat plug is a practical bit of kit if you have a dumb heater, fridge, fan, or similar appliance that you want to control more precisely. It keeps temperature within a reasonable range of your setpoint, the Wi‑Fi connection is stable, and the app is straightforward. The fact that it works with Apple Home, Alexa, Google, and SmartThings is a big plus if you already live in that ecosystem. The scheduling, override options, and energy monitoring make day‑to‑day use easier and help you avoid wasting power for no reason.It’s not perfect. The unit is a bit chunky, the short cable can limit placement, and the look is more “utility gadget” than stylish thermostat. If you’re trying to replace a nice wall thermostat in a main room, you’ll probably be annoyed by the aesthetics and the plug‑in format. But for a garden office, bathroom underfloor heating, cellar, greenhouse, or server corner, it gets the job done without too much fuss. If you want whole‑house smart heating, look elsewhere; if you just need to tame one or two appliances, this is a pretty solid and reasonably priced solution.
8.3 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#12
WiFi Smart Thermostat for Boiler 3A 220V Compatible with Alexa, Digital White Boiler Thermostat Programmable Tuya/Smart Life APP Remote Control, Dry Contact 3A Boiler White

KETOTEK

WiFi Smart Thermostat for Boiler 3A 220V Compatible with Alexa, Digital White Boiler Thermostat Programmable Tuya/Smart Life APP Remote Control, Dry Contact 3A Boiler White

🔥 Populaire
  • Good value: WiFi, app, and Alexa/Google control for a relatively low price
  • Stable heating control with flexible 5-2 / 6-1 / 7-day schedules and up to 6 periods per day
  • Clean modern look and easy daily use via app and voice commands once installed
Overall, the KETOTEK WiFi Smart Thermostat is a practical, budget-friendly upgrade if you currently have a very basic boiler thermostat and want app and voice control without spending big-brand money. It handles the essentials well: stable temperature control, flexible scheduling, remote access via Tuya/Smart Life, and simple Alexa/Google commands. Once set up, it mostly disappears into the background and just does its job, which is what I want from a thermostat.It’s not perfect. The unit is quite deep, so you need enough space in the wall box or a spacer. The app is usable but a bit clunky in places, and the first configuration menus can feel a bit nerdy. The design is clean but basic, with a bright backlight that some people may find a bit much in a dark room. Still, for the price, these are trade-offs I can live with. If you’re comfortable with wiring (or willing to pay an electrician) and you just want reliable on/off control, schedules, and remote tweaks from your phone, it’s a good deal. If you want advanced learning features, detailed energy stats, or a super polished ecosystem, you’re better off saving up for a higher-end model.
8.3 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
See offer Amazon
#13
TP-Link Kasa Smart Thermostat Radiator Valve, Smart Radiator Valve, Energy Saving, LED display Radiator Thermostat Valve, Smart TRV Schedule, Works with Alexa & Google Home, Easy installation(KE100) 2 in x 2.7 in x 2.8 in Valve Add-on

TP-Link

TP-Link Kasa Smart Thermostat Radiator Valve, Smart Radiator Valve, Energy Saving, LED display Radiator Thermostat Valve, Smart TRV Schedule, Works with Alexa & Google Home, Easy installation(KE100) 2 in x 2.7 in x 2.8 in Valve Add-on

  • Easy to install on existing TRV valves with included adapters and clear in‑app guidance
  • Solid room‑by‑room control with schedules, app control, and Alexa/Google voice support
  • Low noise operation and practical features like frost protection and grouping
Overall, the TP-Link Kasa KE100 is a practical, no‑nonsense smart TRV that does what most people actually need: room‑by‑room control, simple schedules, and the ability to kill heat in rooms you don’t use. It’s not flashy, but once set up it quietly gets the job done. Noise is low, the design is neutral, and the app control is handy, especially if you already use Kasa with Alexa or Google Home. In my case, I’m comfortable saying it’s helped me cut down on wasted heating without turning the whole house into an IT project.That said, it’s not perfect. You must have the Kasa hub, it doesn’t control your boiler, and the Kasa/Tapo mix is a bit messy, especially with things like removed device sharing on the Tapo side. Battery swaps are manageable but not zero‑effort, and if you want really accurate temperature control in each room, you might end up buying extra sensors. So, who is it for? Good fit if you’re already in the TP-Link/Kasa ecosystem, want better control over individual rooms, and don’t mind spending some time fine‑tuning schedules. Who should skip it? People who want a single, integrated system that handles the boiler and all radiators in one place with minimal app fiddling, or anyone who gets annoyed by changing app features and cloud dependencies.
8.2 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#14

BEOK CONTROLS

Beok Smart Wifi Thermostat for Gas Boiler and Water Underfloor Heating, Remote & Voice Control, Compatible with Tuya App, Alexa, Google Assistant, Flush-mounted Room Thermostat 230V 3A WiFi Thermostat Gas Boiler

🔥 Populaire
  • Good price for a Wi-Fi thermostat with Tuya, Alexa and Google Assistant support
  • Clear backlit LCD and simple 6-period daily scheduling that covers most routines
  • Stable app connectivity and quick response to remote commands and voice control
After living with the Beok Smart WiFi Thermostat for a bit, my overall feeling is that it’s a practical budget option for making an old gas boiler or water underfloor heating a bit smarter. It gives you the basics that matter day to day: app control via Tuya, voice commands with Alexa/Google, up to six heating periods per day, and a clear LCD that you can read in the dark. It doesn’t feel premium, but once it’s on the wall, it looks fine and just quietly does its job.It’s best suited for people who: already have or don’t mind installing a neutral wire at the thermostat, are comfortable doing simple wiring or paying someone once, and mainly want to turn heating on/off remotely and run a simple weekly schedule. If that’s you, the price-to-function ratio is good, and you’ll probably be happy with it. The temperature control is stable enough, and the app side is surprisingly reliable thanks to Tuya.If you want automatic learning, deep energy stats, super-polished design, or you’re completely allergic to any kind of technical setup, this is probably not the right product. There are nicer, more user-friendly thermostats out there, but they cost a lot more. This one is more “decent but nothing more” in terms of hardware, with software that gets the basics right. For a wallet-friendly way to add smart control to a boiler, it’s a solid choice as long as you accept its limits.
8.2 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#15
NSPanel WiFi Smart Light Switch, 2 Gang Switch Smart Home Control Panel With Temperature Control Function, Smart Lights Control, Work With Alexa & Google Home, Require Live& Neutral Wire, White

SONOFF

NSPanel WiFi Smart Light Switch, 2 Gang Switch Smart Home Control Panel With Temperature Control Function, Smart Lights Control, Work With Alexa & Google Home, Require Live& Neutral Wire, White

  • Good hardware for the price: 3.5" screen, 2 relays, temperature sensor, Wi‑Fi
  • Works well with Alexa/Google and integrates nicely into a SONOFF-based setup
  • Very interesting and flexible once flashed with ESPHome and used with Home Assistant
The SONOFF NSPanel is a solid budget smart wall panel if you know what you’re getting into. As hardware, it’s quite interesting: two 2A relays, a 3.5" colour screen, a temperature sensor, Wi‑Fi, and support for Alexa and Google Home. Installed in place of a standard two-gang switch (with live and neutral available), it gives you local control plus app and voice control without too much hassle. For basic light and heating control inside the SONOFF ecosystem, it gets the job done.Where it falls short is polish and openness. The stock software is limited, the UI feels dated, and there’s no support for SmartThings or IFTTT. Display customisation is almost non-existent. The plastic casing and buttons feel a bit cheap, and the relays are only 2A, which restricts what you can safely connect. If you buy it expecting a high-end, fully flexible wall panel that plugs into any smart home platform out of the box, you’ll probably be underwhelmed.If you’re comfortable flashing firmware and using Home Assistant, the story changes completely. With ESPHome and good blueprints, the NSPanel becomes a very capable little touchscreen controller for not much money. In that use case, I’d rate it quite highly. So, I’d say: it’s a good pick for tinkerers and SONOFF users who want a cheap, hackable panel. People who want a polished, plug-and-play solution with wide ecosystem support should probably look elsewhere, even if it costs a bit more.
8 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
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#16
Drayton Wiser Smart Thermostat Heating Control Heating Only - Works with Amazon Alexa, Google Home and IFTTT Combi Boiler Thermostat Kit 1

Drayton by Schneider Electric

Drayton Wiser Smart Thermostat Heating Control Heating Only - Works with Amazon Alexa, Google Home and IFTTT Combi Boiler Thermostat Kit 1

  • Stable, comfortable temperature control with simple app and voice control
  • Works even if the internet goes down; hub and thermostat communicate locally
  • Good value for money with easy expansion to room-by-room control via radiator valves
The Drayton Wiser Smart Thermostat Heating Only kit is a solid, practical upgrade if you’ve got a combi boiler and you’re still using an old timer and basic thermostat. It won’t win any design awards and the app isn’t the fastest thing on earth, but the core job – keeping your house at a steady, comfortable temperature and letting you control it from your phone or voice assistant – it does well. Once you’ve set up your schedules and got used to how it behaves, it largely gets out of the way and just runs.Where it makes the most sense is for people who want reliable heating control, some basic energy-saving help, and the option to expand later with smart radiator valves, without paying premium-brand prices. The hardware feels dependable, it keeps working if the internet drops, and Drayton’s support is actually helpful if you get stuck. On the downside, if you hate slightly clunky apps, or you want a super clear on/off control and highly polished software, you’ll notice its rough edges. And if you start tinkering too much with eco mode and clever features, the system can sometimes behave in ways that feel a bit unpredictable.If you’re a homeowner or renter with a combi boiler who wants more comfort, remote control, and a path to room-by-room heating later, this is a good, down-to-earth option. If you’re a tech enthusiast chasing the slickest interface and deepest analytics, or you’re already invested in another ecosystem, you might want to look higher up the price range. For most everyday users, it’s not perfect, but it gets the job done and offers good value.
8 /10
★★★★★ ★★★★★
🌟 Excellent See full review →
See offer Amazon
#17
Smart Thermostat X – Add-on as Wired Room Thermostat, Heating Control via App & Smart Speaker (Alexa, Siri, Google Assistant), DIY Installation X 1x Add-on Wired Smart Thermostat

tado

Smart Thermostat X – Add-on as Wired Room Thermostat, Heating Control via App & Smart Speaker (Alexa, Siri, Google Assistant), DIY Installation X 1x Add-on Wired Smart Thermostat

  • Clean, compact design with simple LCD and straightforward button controls
  • Matter and Thread support, works nicely with Alexa, Google Assistant, and Siri
  • Solid basic performance for schedules and remote control once correctly installed
Overall, the tado Smart Thermostat X is a technically solid smart thermostat that does what it’s supposed to do once everything is set up properly. It looks clean on the wall, the app and voice control are handy, and Matter/Thread support is a real plus if you’re building a modern smart home. As a replacement for an existing wired thermostat in a compatible system, it works well and gives you the convenience of remote control and scheduling without much daily hassle.Where it stumbles is around clarity and expectations. It’s not compatible with older tado V3+ gear, a bunch of the headline “AI savings” features are locked behind a subscription, and some UK boiler setups clearly need backend tweaks from support that are not documented for normal users. If you’re unlucky and land in that bucket, installation can turn into a time sink. The battery setup with 6 AAA cells is also slightly annoying, even though it’s not a deal-breaker.I’d recommend this thermostat mainly to people who are already a bit tech-savvy, know their heating system (OpenTherm/relay, etc.), and either accept the subscription or are fine just using the basic smart features. If you want something dead simple, subscription-free, and tuned specifically for UK boilers, there are better options. For the right user, tado X is a pretty solid, no-frills smart thermostat; for the wrong user, it’s a source of frustration and support tickets.
6 /10
★★★★★ ★★★★★
👌 Good See full review →
See offer Amazon
#18 💰 Best price
WiFi Thermostat Plug Socket UK 230V 10A Programmable Wireless Temperature Controller with Sensor Probe Heating & Cooling Reptile Thermostat Compatible with Alexa and Google Assistant

Jadeshay

WiFi Thermostat Plug Socket UK 230V 10A Programmable Wireless Temperature Controller with Sensor Probe Heating & Cooling Reptile Thermostat Compatible with Alexa and Google Assistant

  • Cheap way to add WiFi and basic thermostat control to heaters or fans
  • Works with Smart Life, Alexa and Google; remote control is convenient
  • Temperature readings and on/off control are reasonably accurate for everyday use
This Jadeshay WiFi thermostat plug is a practical budget option if you want to add basic temperature control and remote access to a single heater, heat mat, or fan. It connects easily to the Smart Life app, the WiFi connection is stable, and the temperature control is accurate enough for normal home or hobby use. For things like a spare room panel heater, a small greenhouse, or a simple reptile setup you monitor regularly, it does the job without costing a fortune.The flip side is that it feels like what it is: a generic smart plug with a sensor, not a polished heating system. The app interface for scheduling is clunky, there’s no straightforward “on/off by time” option, and temporary overrides can make you unsure what mode it’s really in. Build quality is okay but nothing special, and the odd report of early failure means I wouldn’t rely on it alone for anything critical. If you’re happy tinkering in Smart Life and you accept that this is a cheap tool, it’s a reasonable buy. If you want something rock‑solid, very clear to program, or for long‑term reptile or pet safety, I’d spend more on a better‑known brand.
6 /10
★★★★★ ★★★★★
👌 Good See full review →
See offer Amazon

Comparison table : Smart thermostats compatible with Alexa

Overall score Value for money Design Battery Durability Performance Presentation Effectiveness
° Smart Thermostat Starter Kit V3+ - Intelligent heating control, works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT
#1 tado
° Smart Thermostat Starter Kit V3+ - Int...
See offer Amazon
8.5/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ -
Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Required, ST75 Black 5.625" x 3.4" x 1.17"
#2 Emerson
Sensi Touch Wi-Fi Smart Thermostat with...
See offer Amazon
8.4/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★
T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist
#3 ‎Honeywell Home
T9 WIFI Smart Thermostat, Smart Room Sen...
See offer Amazon
8.4/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ -
Bosch Smart Home - Thermostat d’Ambiance II pour Les systèmes de Chauffage câblés, 230 V, Compatible avec l’Assistant Google et Alexa Thermostat d’ambiance II 230V
#4 Bosch
Bosch Smart Home - Thermostat d’Ambiance...
See offer Amazon
8.4/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ - ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★
Smart Thermostat for Electric Underfloor Heating, WiFi Room Thermostat with Timer, Dual Sensors, Heating & Cooling, Energy Saving, App Control, Works with Alexa and Google, Hubless Alexa Electric Heating
#5 meross
Smart Thermostat for Electric Underfloor...
See offer Amazon
8.4/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ - ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★
Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Compatible with Alexa, Energy Star Certified, C-wire Required, ST75W
#6 Sensi
Emerson Sensi Touch Wi-Fi Smart Thermost...
See offer Amazon
8.4/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ - - ★★★★★ ★★★★★ ★★★★★ ★★★★★ -
RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready - C-Wire Required White 1
#7 Honeywell Home
RTH9600WF Smart Color Thermostat ENERGY...
See offer Amazon
8.3/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ -
Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible with Alexa, Apple HomeKit and Google Home App - Polished Gold
#8 ‎Google
Nest Learning Thermostat (4th Gen, 2024)...
See offer Amazon
8.3/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ - - - ★★★★★ ★★★★★
Smart Thermostat Premium with Siri and Alexa and Built in Air Quality Monitor and Smart Sensor with SmartSensor for Doors and Windows 2-Pack, White Thermostat + Door & Window Sensors
#9 ‎ecobee
Smart Thermostat Premium with Siri and A...
See offer Amazon
8.3/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ - - ★★★★★ ★★★★★ - -
Smart Thermostat X – Starter Kit Wired Room Thermostat & Bridge X, Control via App & Smart Speaker (Alexa, Siri, Google Assistant), DIY Installation X Starter Kit: Wired Heating Starter Kit
#10 tado
Smart Thermostat X – Starter Kit Wired R...
See offer Amazon
8.3/10 ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ -

Key features that define the best smart thermostats compatible with Alexa

Several core features separate the best smart thermostats compatible with Alexa from basic connected thermostats. First, reliable voice control with Alexa and Amazon Alexa speakers must work quickly, even when the app is closed. Second, the thermostat and its sensors should read temperature accurately in both heating and air conditioning modes, because poor readings undermine every smart feature.

Smart thermostats that integrate with Alexa app routines allow you to adjust temperature alongside lighting, blinds, and security devices. For example, you can set a routine where the smart thermostat lowers heating when you say a specific voice command. This deeper control with Alexa and Amazon services makes a smart thermostat feel like part of a complete smart home, not just a standalone gadget.

Energy insights are another hallmark of the best smart thermostats compatible with Alexa for informed users. Ecobee smart models and Google Nest thermostats often provide monthly energy reports that highlight when heating or air conditioning consumed the most power. When you pair those insights with occupancy sensor data, you can refine schedules to save money and improve air comfort.

Connectivity options also matter for long term flexibility in a smart thermostat. Some thermostats support Wi Fi only, while others can work with Z Wave hubs, which is explained in detail in this guide to the benefits of Z Wave thermostats. Whether you choose Nest, Ecobee, Mysa, or another brand, ensure the thermostat is clearly labeled as compatible with Alexa app, Amazon smart speakers, and any other platforms you already use.

Comparing Nest, Ecobee, and Mysa smart thermostats with Alexa

When evaluating the best smart thermostats compatible with Alexa, most people start with Google Nest, Ecobee smart models, and Mysa smart thermostats. A Nest learning thermostat focuses on automation, using algorithms to learn your preferred temperature patterns over time. Ecobee smart thermostat premium devices emphasize built in voice control, advanced sensors, and detailed energy savings analytics.

Mysa smart thermostats occupy a different niche in the thermostat market. They specialize in electric baseboard and in floor heating, which many traditional thermostats and some Nest thermostats cannot handle safely. If your home relies on this type of heating, a Mysa smart thermostat with Alexa compatibility can finally bring voice control and app based scheduling to systems that were previously manual.

Google Nest thermostats and Nest learning models integrate tightly with the Google ecosystem, yet many also work well with Alexa and Amazon Alexa speakers. Ecobee smart thermostat premium units include a remote sensor in the box, which helps measure air temperature in a frequently used room. Both Nest and Ecobee thermostats support app control, energy reports, and the ability to adjust temperature remotely when you are away.

Some advanced users pair their smart thermostat with a Z Wave hub for broader automation. A dedicated hub can coordinate thermostats, sensors, and other devices, as explained in this overview of how a Z Wave hub can transform your smart thermostat experience. Whether you choose Nest, Ecobee, or Mysa, confirm that the thermostat supports both your heating system and your preferred voice control platform.

How sensors, zoning, and air quality shape real world comfort

Behind every smart thermostat with Alexa support, sensors quietly drive most decisions. A thermostat sensor measures temperature at the wall, but additional room sensors help thermostats understand how heating and air conditioning affect different spaces. Ecobee smart thermostat premium models and some Nest thermostats use these sensors to reduce hot and cold spots, which improves comfort and can deliver energy savings.

When you place a sensor in a bedroom or living room, the smart thermostat can prioritize that area during key times. For example, you might set the thermostat to follow the bedroom sensor at night, then switch to a living room sensor during the day. This flexible control with sensors allows the thermostat to adjust temperature more intelligently than a single wall mounted reading ever could.

Air quality is another emerging focus among the best smart thermostats compatible with Alexa and other platforms. Some thermostats now track humidity, volatile organic compounds, or filter status to protect indoor air. When paired with voice control through Amazon Alexa or the Alexa app, you can ask the thermostat about air quality, then adjust temperature or ventilation accordingly.

Advanced zoning systems take this concept further by pairing multiple thermostats and dampers with a central controller. In such setups, each thermostat and sensor manages a specific zone, while Alexa and Amazon smart speakers provide unified voice control. For detailed reviews of how zoning and sensors perform in practice, resources such as this in depth smart thermostat review can help clarify strengths and trade offs.

Voice control, apps, and privacy when using Alexa with thermostats

Voice control is often the headline feature for the best smart thermostats compatible with Alexa, yet the app experience matters just as much. A well designed app lets you set schedules, adjust temperature, and review energy data from anywhere with an internet connection. When the Alexa app and the thermostat app work smoothly together, you can choose between voice, touch, or automation depending on the situation.

Amazon Alexa, Google Nest, and even some Alexa Apple integrations allow thermostats to respond to natural language commands. You might say, “Alexa, set the thermostat to 20 degrees,” or “Alexa, lower the heating in the living room.” Over time, these simple phrases replace manual adjustments, and the smart thermostat quietly optimizes energy use in the background.

However, people seeking information about smart thermostats with Alexa often raise privacy questions. Any thermostat that connects to Amazon, Google, or Apple services will transmit some data about temperature, schedules, and device usage. Reputable brands such as Nest, Ecobee, and Mysa publish clear privacy policies, and users should review permissions within the Alexa app and the thermostat app to maintain control.

Retailers like Best Buy and major online platforms provide transparency labels that summarize how smart thermostats handle data. When comparing the best smart thermostats compatible with Alexa, look for options that offer local control where possible and strong encryption. Balancing convenience, energy savings, and privacy ensures your smart thermostat remains an asset rather than a concern.

Buying tips, installation, and long term value for smart thermostats

Choosing among the best smart thermostats compatible with Alexa starts with your heating and cooling system. Check whether your current thermostat wiring includes a common wire, because many Nest, Ecobee smart, and Mysa smart thermostats require it for stable power. If your system lacks this wire, some thermostats include adapters, while others may need professional installation to avoid reliability issues.

Next, consider how you actually use heating and air conditioning throughout the year. If your schedule is predictable, a Nest learning thermostat or similar learning thermostat can automatically refine temperature settings over time. If your routine is irregular, a thermostat with strong app control and responsive sensors may provide better comfort and energy savings.

Price and long term value also play a central role in this decision. While premium thermostats from Nest, Ecobee, and Mysa cost more upfront, they often deliver measurable energy savings that can help you save money over several seasons. Retailers such as Best Buy and major online stores sometimes offer rebates, especially when utilities promote smart thermostats for demand response programs.

Finally, evaluate ecosystem fit before committing to any thermostat with Alexa compatibility. If your home already relies heavily on Amazon Alexa, the Alexa app, and Amazon smart speakers, prioritize thermostats that advertise deep integration with Alexa and possibly Alexa Apple bridges. A carefully chosen smart thermostat, supported by accurate sensors and thoughtful schedules, can provide reliable comfort, better air quality, and meaningful control over household energy use.

Key statistics about smart thermostats and Alexa enabled homes

  • Households that install a smart thermostat and use voice control with Alexa or similar assistants typically report double digit percentage reductions in heating and cooling runtime.
  • In many regions, utility rebate programs cover a significant portion of the purchase price for qualifying smart thermostats compatible with Alexa and other major platforms.
  • Surveys of smart home users indicate that thermostats, lighting, and speakers are the three most commonly linked device categories within Amazon Alexa ecosystems.
  • Energy audits frequently show that optimizing thermostat schedules and using occupancy sensors can cut annual heating and cooling energy consumption by a substantial margin.
  • Retail data from large electronics chains such as Best Buy reveal that smart thermostats remain among the fastest growing categories in connected home products.

Common questions about the best smart thermostats compatible with Alexa

Are all smart thermostats compatible with Alexa and Amazon speakers ?

Not all smart thermostats work with Alexa and Amazon Alexa speakers, even if they connect to Wi Fi. Always check whether the thermostat is explicitly labeled as compatible with Alexa app and Amazon smart devices. Leading brands such as Nest, Ecobee, and Mysa usually highlight this compatibility clearly on packaging and product pages.

Can a smart thermostat really help me save money on energy bills ?

A well configured smart thermostat can deliver meaningful energy savings by reducing unnecessary heating and air conditioning. Features such as learning thermostat algorithms, occupancy sensors, and remote app control help avoid wasting energy when nobody is home. Over time, these savings can offset much of the initial cost of the thermostat, especially when combined with utility rebates.

Do I need professional installation for a smart thermostat with Alexa support ?

Many homeowners can install a smart thermostat themselves if the wiring is straightforward and a common wire is present. However, complex systems, heat pumps, or older wiring may justify hiring a professional to ensure the thermostat, sensors, and heating equipment work safely. When in doubt, consult the manufacturer’s compatibility checker or seek advice from a qualified technician.

What is the difference between Nest learning thermostat and other Nest thermostats ?

The Nest learning thermostat is designed to learn your schedule automatically and adjust temperature settings over time. Other Nest thermostats may rely more on manual schedules set through the app or the thermostat interface. Both types can integrate with Alexa and Google Nest ecosystems, but the learning model focuses more heavily on automation.

How do I choose between Ecobee smart thermostat premium and a Mysa smart thermostat ?

The choice depends mainly on your heating system and feature priorities. Ecobee smart thermostat premium models suit many forced air and heat pump systems, offering built in voice control, advanced sensors, and detailed energy reports. Mysa smart thermostats are tailored for electric baseboard or in floor heating, bringing app control and Alexa compatibility to systems that traditional thermostats often cannot manage effectively.

Frequently asked questions

According to our tests, the best smart thermostats compatible with Alexa is the ° Smart Thermostat Starter Kit V3+ - Intelligent heating control, works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT with a score of 8.5/10.

The cheapest smart thermostats compatible with Alexa in our comparison is the WiFi Thermostat Plug Socket UK 230V 10A Programmable Wireless Temperature Controller with Sensor Probe Heating & Cooling Reptile Thermostat Compatible with Alexa and Google Assistant.

The most popular smart thermostats compatible with Alexa is the RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready - C-Wire Required White 1 with 19 386 customer reviews.

To choose a smart thermostats compatible with Alexa, we recommend comparing performance, build quality, value for money and user reviews. Our comparison table above helps you make the right choice.

We have tested 18 Smart thermostats compatible with Alexa to establish this ranking.
#1 ° Smart Thermostat Starter Kit V3+ - Intelligent heating control, works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT
tado
Smart Thermostat Starter Kit V3+
8.5/10 Best choice
See offer Amazon