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Best thermostats accessories - July 2025

Last Updated - July 22, 2025

1
Best Choice

✖
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
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.

Honeywell Home

Honeywell Home CG512A1009 Large Thermostat Guard, Fits Thermostats 8. 25" W x 5. 75" H or Smaller Clear

Honeywell Home

$24.34

More Details
Main highlights
- Protect again tampering, damage and unauthorized adjustment of thermostat settings.
- May need to mount thermostat off-center within thermostat guard for access to battery door on select models
- Key lock with inner shelf to prevent tampering. You can mount this thermostat guard horizontally or vertically to fit your thermostat.
- Fits Honeywell Home thermostats measuring 8. 25"W x 5. 75"H x 2. 75"D or smaller
- Clear plastic casing is chemical and UV resistant that resists yellowing.
$24.34
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.

ecobee

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

ecobee

$14.99

More Details
Main highlights
- The Smart Thermostat Trim Kit is designed just for Smart Thermostat Essential as it easily covers old wiring and imperfections keeping your wall looking fresh.
- Specifically designed for the ecobee Smart Thermostat Essential
- In homes where the thermostat attaches to a junction box, a plastic or metal box that houses wires, the Trim Kit is required to mount your smart thermostat.
- Every trim plate comes with an easy-to-follow mobile installation guide. Simply scan the QR code on the box.
- Designed with smooth, round edges, the trim plate matches your Smart Thermostat Essential and fits flush right against your wall.
$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.

Petrichor

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

Petrichor

$15.88

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.
$15.88
5
Best Value
20% 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
20% Off

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

Google

$11.99

$14.99
(20% Off)

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
$11.99
$14.99 (20% Off)

Best thermostats accessories - July 2025

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

Honeywell Home CG512A1009 Large Thermostat Guard, Fits Thermostats 8. 25" W x 5. 75" H or Smaller Clear

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

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

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

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