Advertising Disclosure

Best thermostats accessories - September 2025

Last Updated - September 20, 2025

1
Best Choice
22% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Google
22% Off

Google Nest Temperature Sensor (2nd Gen) - Room Comfort Sensor with Scheduling - Works with The Nest Learning Thermostat (3rd and 4th Gen) and Nest Thermostat E - Porcelain, White

Google

$30.99

$39.99
(22% Off)

More Details
Main highlights
- You can place Nest Temperature Sensors in up to six rooms for maximum comfort; prioritize the temperature of one room, or create an average temperature across them, like bedrooms[1,3]
- The battery lasts up to 3 years, so you can put it on a wall, shelf, or wherever you want[2]
- The Nest Temperature Sensor (2nd gen) works with the Nest Learning Thermostat (4th gen), Nest Learning Thermostat (3rd gen), and Nest Thermostat E[1,4]
- The Google Nest Temperature Sensor (2nd gen) makes it easy to manage hot and cold spots throughout your home[1]; put it in any room to get the right temperature, right where you want it
- Sleek and simple, the Nest Temperature Sensor (2nd gen) fits right in wherever you place it[1]
- Please refer to the “Legal” section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.)
- It’s simple to set up and control in the Google Home or Nest app; just use the app to set the temperature a room should reach at a certain time of day
$30.99
$39.99 (22% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Petrichor

Petrichor Nest Thermostat Wall Plate - Compatible With Google Nest 2020 - Trim Kit, Cover Accessory for Easy Installation (2 Pack White)

Petrichor

$25.99

More Details
Main highlights
- 【Modern Design & Fingerprint Resistant】Adds a uniform splash of color to the thermostat's surroundings and makes your nest thermostat look much more finished, and never worry that leaving fingermarks.
- 【Easy to Install】It is easy to install to make your nest thermostat looking better than before. No need to repaint or do other work to install the plate.
- 【Durable Material】The Nest Thermostat Trim Kit is designed in house from scratch, fingerprint resistant. High quality double coated to ensure longevity.
- 【Cover Imperfections on Your Wall】Our nest plate is big enough to cover the holes left by old thermostat and the cost was worth it not to have to calk and paint. It sit flush with the wall.
- 【Compatibility】Design for 2020 New Nest Thermostat only, Nest Thermostat G4CVZ 2020: GA01334-US, GA02082-US, GA02081-US, GA02083-US.
$25.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Google

Google Nest Thermostat Trim Kit - Made for the Nest Thermostat - Programmable Wifi Thermostat Accessory - Snow

Google

$14.99

More Details
Main highlights
- What's in the box : Trim plate Steel plate Mounting screws Installation card
- The Nest Thermostat Trim Kit is designed to cover imperfections on your wall from removing your old thermostat.What's in the box : Trim plate Steel plate Mounting screws Installation card.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page
- Modern design that looks beautiful in any home, with perfectly matched Nest Thermostat colors
- Includes a trim plate for installing your on wall and a steel plate for installing your smart thermostat over an electrical box
- Easy to install, with everything you need included in the box
- Designed for the Nest Thermostat, the smart thermostat that helps you save energy and stay comfortable
$14.99
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ecobee

ecobee Power Extender Kit C-Wire Adapter - Made for ecobee Smart Thermostats - Programmable WiFi Thermostat Accessory

ecobee

$24.99

More Details
Main highlights
- Works with 24 VAC systems only. Not compatible with millivolt, high voltage systems, dual transformer, fan coil, or communicating units.
- The Power Extender (PEK) is an easy, cost-effective solution for homes without a C or common wire.
- Not sure if you need a PEK for your ecobee Smart Thermostat? Visit ecobee.com/compatibility to find out.
- No tools needed. Enjoy quick and hassle-free PEK installation with magnetic mounting that sticks to your furnace.
- Designed exclusively for ecobee Smart Thermostats: Premium, Enhanced, Essential, Lite, ecobee3 Lite, Smart Thermostat with voice control, and ecobee4.
- Access the easy-to-follow installation guide by scanning QR code on the box.
$24.99
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

briidea

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

briidea

$18.99

More Details
Main highlights
- ★To add a common wire to a 4-wire system, or to add cooling to a heat-only system
- ★Makes one wire works like two
- ★Includes yellow, green, blue wire splice (directionally sensitive)
- ★For use with all 24VAC systems
- ★Cannot be used as ''R'' power or ''C'' common wire
$18.99

Best thermostats accessories - September 2025

Google Nest Temperature Sensor (2nd Gen) - Room Comfort Sensor with Scheduling - Works with The Nest Learning Thermostat (3rd and 4th Gen) and Nest Thermostat E - Porcelain, White

Petrichor Nest Thermostat Wall Plate - Compatible With Google Nest 2020 - Trim Kit, Cover Accessory for Easy Installation (2 Pack White)

Google Nest Thermostat Trim Kit - Made for the Nest Thermostat - Programmable Wifi Thermostat Accessory - Snow

ecobee Power Extender Kit C-Wire Adapter - Made for ecobee Smart Thermostats - Programmable WiFi Thermostat Accessory

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

You may also like...

Google Nest Power Connector - C Wire Adapter for Smart Thermostats - 3.98in Accessory, Snow

ecobee Trim Plate - Made for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory

Google Nest Thermostat Trim Kit - Made for the Nest Thermostat - Programmable Wifi Thermostat Accessory - Sand

Gedreew Large Thermostat Lock Box Cover with Key, Clear Thermostat Cover with Lock Compatible With Honeywell Home Thermostat On Wall, AC Lock Box Cover with Key Fits Thermostats 5"H x 6" W or Smaller

Tim Kit for ecobee Smart Thermostat Essential 2025, Wall Plate Cover Accessory for ecobee Thermostat, Easy to Install Cover Imperfections for Your Wall

Nest Thermostat Trim kit,Nest Thermostat Wall Plate for Google Nest Thermostat-Programmable WiFi Thermostat Accessory (White

Compatible with Google Nest Thermostat 2020 Wall Plate Cover, Nest Thermostat Trim Kit, Nest Thermostat Wall Plate Cover, Nest Thermostat Accessory Easy Installation - Snow

Wall Plate Made for The Nest Thermostat 2020 | Google Nest Thermostat Trim Kit Accessory | Easy Installation | Snow

CERCGVEL Trim Plate Compatible with ecobee Smart Thermostat Essential, Wall Plate Bracket Cover, Programmable Thermostat Accessory, Practical Kit, Bracket Mount Cover, Stylish Design

TERPINK Trim Plate Compatible with ecobee Smart Thermostat Essential, Wall Plate Bracket Cover, Programmable Thermostat Accessory, Practical Kit, Bracket Mount Cover, Stylish Design

Sign up and get exclusive special deals