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How to Replace the Battery in Your Honeywell Home Pro Series Thermostat

Replacement Batteries

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21/08/2025

How to Replace the Battery in Your Honeywell Home Pro Series Thermostat

Replacement Batteries

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06/10/2025

How to Replace the Battery in Your Honeywell Home Pro Series Thermostat

Temperature Sensors

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24/06/2025

Understanding Temperature Sensors for Nest Thermostats

Step-by-step guide to replacing the battery in your Honeywell thermostat

Replacement Batteries

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04/12/2025

Step-by-step guide to replacing the battery in your Honeywell thermostat

Our latest product comparisons

Comparison

Which smart thermostat wiring adapters to choose? Top 5 (2026)

Add-A-Wire Accessory, Briidea Common Wire Kit for All 24VAC Thermostats (4 to 5 wires), White

Briidea Add-A-Wire 24VAC Common Wire Kit

★★★★★ ★★★★★ 8.5/10

+ Effectively adds an extra thermostat function (C-wire, W2, or cooling) without running new cable

+ Very affordable compared to paying someone to pull new thermostat wiring

Litorange 2x 304 Stainless Steel Radiator Valve Adapter (M30×15)

★★★★★ ★★★★★ 8.3/10

C-Wire Adapter (CWIREADPTR8001/E)

★★★★★ ★★★★★ 7.8/10

See full comparison →

Comparison

4 best smart thermostat room sensors: our comparison (2026)

Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian Polished Obsidian

Google

Nest Learning Thermostat + Temperature Sensor

★★★★★ ★★★★★ 8.4/10

+ Smart learning capabilities

+ Room-specific temperature control

Google

Nest Learning Thermostat + Temperature Sensor

★★★★★ ★★★★★ 8.3/10

SONOFF

Zigbee Smart Thermostatic Radiator Valve (TRVZB) - White

★★★★★ ★★★★★ 8.1/10

See full comparison →

Our latest product reviews

Smart Home Thermostat Radiator Valve Actuator Smart TRV Ther...

Cheap smart heating if you’re ready to tinker

6.0/10 ★★★★★ ★★★★★

Value for money ★★★★★ ★★★★★

Design ★★★★★ ★★★★★

Battery ★★★★★ ★★★★★

Durability ★★★★★ ★★★★★

Read full review

SONOFF

Zigbee Thermostatic Radiator Valve, TRVZB, Add-On Smart Radi...

Cheap Zigbee smart radiator valve that’s great with Home Assistant but clunky wi...

8.1/10 ★★★★★ ★★★★★

Value for money ★★★★★ ★★★★★

Design ★★★★★ ★★★★★

Battery ★★★★★ ★★★★★

Durability ★★★★★ ★★★★★

Read full review

Last posts

ZemiSmart's $35 Matter controller puts window AC units on your Apple Home dashboard

Wi-Fi Thermostats

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21/07/2026

ZemiSmart's $35 Matter controller puts window AC units on your Apple Home dashboard

Detailed review of the ZemiSmart Matter AC controller, an affordable infrared bridge that turns window and wall air conditioners into smart thermostats for Apple Home, Google Home, Alexa, and SmartThings, with testing notes, pros and cons, and setup tips for renters.

TP-Link Kasa KE100 Review: simple smart TRVs if you’re already in the Kasa world

Product Test

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21/06/2026

TP-Link Kasa KE100 Review: simple smart TRVs if you’re already in the Kasa world

★★★★★ ★★★★★

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 neut...

CWIREADPTR8001/E Review: a cheap way to power a smart thermostat without a C-wire

★★★★★ ★★★★★

If you’ve got a fairly standard 24V furnace and AC setup with no C-wire, the CWIREADPTR8001/E is a practical, low-cost way to power a smart thermostat. It’s not fancy, it’s not from a big-name brand, but it does the basic job: converts G/Y into C/K and keeps your thermostat powered without constant...

Briidea Add-A-Wire Common Wire Kit Review: a cheap workaround when you’re missing thermostat wires

★★★★★ ★★★★★

The Briidea Add-A-Wire Common Wire Kit is a practical fix for a very common problem: not enough thermostat wires in an older house. It doesn’t try to be pretty or user-friendly in a big-box-store way; it’s basically a contractor-style tool sold cheaply to anyone who wants it. In my use, and based on...

Litorange RA to M30 x 1.5 Adapter Review: a simple metal fix when your smart head doesn’t fit

★★★★★ ★★★★★

For what it is, the Litorange RA to M30 x 1.5 stainless steel adapter does its job well. It’s a small, simple part that solves a very specific headache: mounting M30 smart thermostats on RA-style radiator valves in a solid, reliable way. The 304 stainless steel build feels much more trustworthy than...

Ecobee SmartSensor versus Aqara W200 multi-sensor: two roads to whole-home accuracy

Detailed comparison of Ecobee SmartSensor vs Aqara W200 multi-sensor smart thermostat systems, covering comfort logic, automation depth, ecosystem lock-in, power use, setup complexity, and which households each option suits best.

Aqara's new multi-sensor firmware fixes the W200's biggest weakness: room-by-room temperature accuracy

Temperature Sensors

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18/05/2026

Aqara's new multi-sensor firmware fixes the W200's biggest weakness: room-by-room temperature accuracy

Firmware 4.5.48 turns the Aqara W200 into a multi-sensor smart thermostat hub, combining Aqara and Matter sensors for better room-by-room comfort, presence-aware control, and potential gas savings in HomeKit and Google-centric homes.

Smart vents for precise comfort: how connected vents transform every room

Smart Vents & Dampers

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19/03/2026

Smart vents for precise comfort: how connected vents transform every room

Learn how smart vents, sensors, and smart thermostats work together to balance room temperatures, improve comfort, and optimize airflow in multi-room homes.

How pir passive infrared motion detectors quietly protect smart thermostat comfort

Learn how pir passive infrared motion detectors support smart thermostats, enhance security, and cut energy use through precise motion and infrared sensing.

by Elodie Dupont-Grimaldi

Heat sense in smart thermostats for precise comfort and energy control

Temperature Sensors

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15/03/2026

Heat sense in smart thermostats for precise comfort and energy control

Explore how heat sense in smart thermostats combines precise sensors, thermal engineering, and real time control to improve comfort, efficiency, and reliability.

by Elodie Dupont-Grimaldi

How to manage thermostat battery performance for reliable smart home comfort

Replacement Batteries

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18/02/2026

How to manage thermostat battery performance for reliable smart home comfort

Learn how thermostat battery choice, maintenance, and replacement affect smart thermostat reliability, HVAC performance, and home comfort, with clear expert guidance.

by Lila-Jean Williams

How a z wave temperature sensor can enhance your smart thermostat experience

Temperature Sensors

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27/12/2025

How a z wave temperature sensor can enhance your smart thermostat experience

Explore how a z wave temperature sensor improves smart thermostat performance, offering better comfort, energy savings, and seamless home automation integration.

by Lila-Jean Williams

How to use a smart switch without a neutral wire: what you need to know

Power Extenders & Adapters

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07/12/2025

How to use a smart switch without a neutral wire: what you need to know

Curious about installing a smart switch with no neutral wire? Learn how these switches work, their benefits, installation tips, and what to consider for your smart home setup.

How air temperature sensors enhance smart thermostat performance

Explore how air temperature sensors work within smart thermostats, their impact on energy efficiency, and tips for choosing the right sensor for your home.

How the Wyze temp sensor can improve your smart thermostat experience

Explore how the Wyze temp sensor enhances smart thermostat performance, improves comfort, and helps you manage your home's climate more efficiently.

How to choose the right home assistant temperature sensor for your smart thermostat

Learn how to select the best home assistant temperature sensor for your smart thermostat. Explore features, compatibility, installation tips, and common troubleshooting advice.

Understanding type K thermocouple wire for smart thermostats

Learn how type K thermocouple wire is used in smart thermostats, its advantages, installation tips, and how it compares to other sensor options for accurate temperature control.

by Chandra Rao

How a zigbee repeater can improve your smart thermostat experience

Power Extenders & Adapters

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22/11/2025

How a zigbee repeater can improve your smart thermostat experience

Learn how using a zigbee repeater can boost the reliability and range of your smart thermostat system. Find out how it works, its benefits, and tips for choosing the right repeater for your home.

by Elodie Dupont-Grimaldi

Understanding the role of x tech backplate in smart thermostats

Wall Plates & Covers

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21/11/2025

Understanding the role of x tech backplate in smart thermostats

Learn how the x tech backplate enhances smart thermostat performance, installation, and compatibility. Explore its impact on energy efficiency, troubleshooting, and future smart home upgrades.

by Ewan MacLeod

What to do when your thermostat shows a low battery warning

Replacement Batteries

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17/11/2025

What to do when your thermostat shows a low battery warning

Learn how to handle a thermostat low battery warning, why it happens, and how to prevent issues with your smart thermostat. Get practical tips for troubleshooting and maintaining your device.

by Aiden Campbell