The Best Home Thermostat Accessories

Looking for the best Home Thermostat Accessories?

Discover now our comparison of the best Home Thermostat Accessories. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Home Thermostat Accessories are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Home Thermostat Accessories in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

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

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.
Designed with smooth, round edges, the trim plate matches your Smart Thermostat Essential and fits flush right against your wall.
Every trim plate comes with an easy-to-follow mobile installation guide. Simply scan the QR code on the box.
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.
Specifically designed for the ecobee Smart Thermostat Essential

SaleNo. 2

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

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

SaleNo. 3

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

【Safeguard Your Thermostat】The thermostat lock box with key prevent unauthorized adjustments, tampering and damage to thermostat settings by children, tenants, or the public. Enjoy reduced energy costs and significant savings for your household
【Crystal Clear Durable PC Material】Gedreew thermostat lock box crafted from robust and chemically resistant PC plastic. This thermostat cover with lock offers exceptional durability, UV resistance, and anti-yellowing properties. Enjoy a clear view of your thermostat settings at all times
【Perfect Fit for Various Thermostats】The thermostat lock box designed to accommodate thermostats measuring 7.28"W x 5.75"H x 2.75"D or smaller. Whether it's for your home, apartment, office, school, hotel, restaurant, or industrial space, our ac lock box cover with key finds its place everywhere, ensuring optimal protection and security
【Maintaining Temperature Precision】Featuring a four-sided ventilation design, this lock box for thermostat on wall prevents interference with temperature detection, ensuring the accurate performance of your thermostat without compromise
【Easy Installation】This thermostat cover with lock can be installed without removing the thermostat; May need to mount thermostat off-center within thermostat lock box for access to battery door on select models

No. 4

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

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

No. 5

ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible with ecobee Smart Thermostats for Home

Knows when a room is occupied and communicates the temperature to your ecobee smart thermostat from up to a range of 60 ft, through walls and floors. This prompts your thermostat to make temperature adjustments ensuring comfort.
Place SmartSensor in your bedroom and say goodbye to those moments that are either too hot or too cold throughout the night.
Understands your household comings and goings, saving energy and saving you money by not heating or cooling an empty home.
You’ll be able to see the temperature difference and occupancy in particular parts of your home and adjust right from the ecobee app for maximum comfort.
Installation is quick and easy. Place your SmartSensor, magnetically and wirelessly, at least 5ft above the floor on its satin-steel stand or on any wall using the self-adhesive wall mounting brackets
It can detect unexpected motion. When Smart Security is armed, you get real-time alerts on the ecobee app, so you know what’s happening at home when you’re not there. *Requires ecobee Smart Security subscription.

SaleNo. 6

Genuine Honeywell Home CG511A1000 Medium Thermostat Guard, Fits Thermostats 5" H x 6" W or Smaller

Protect against tampering, damage and unauthorized adjustment of thermostat settings.
Fits Honeywell Home thermostat families RTH8xxxx, RTH7xxxx, RTH6xxxx, RTH5xxxx, CT3x and other models measuring 6 1/16 W x 5 1/16 H x 2 5/8 D inches or smaller.
Actual size of thermostat guard: 6. 5" H x 7. 5" W x 3" D.
Key lock with inner shelf to prevent tampering.
Clear plastic casing is chemical and UV resistant that resists yellowing.

No. 7

Honeywell CG511A1000 Medium Thermostat Guards

Each , Honeywell Clear Plastic Thermostat Wall Covers
With integrated metal keyed lock
6-1/2 High, 7-1/2" Wide, 2-15/16" Deep
Fits Many Replacement Thermostats , Made in USA
Allows Secure Protection of Thermostats in Public or Restricted Access Areas

No. 8

TRJ 2 PCS Thermostat Lock Box with Key, Large Thermostat Cover with Lock for Thermostat on Wall, AC Control Lock Box Cover with Key, Air Conditioner Lockbox Fits Thermostats 5" H x 6" W or Smaller

【Tamper-Proof Design】The TRJ thermostat lock box boasts a sturdy construction and a secure locking mechanism, designed to deter tampering attempts. The thermostat cover prevents unauthorized adjustments, safeguarding against tampering by children, tenants, or the public.
【Crystal Clear Durable PC Material】The thermostat lock box crafted from robust and chemically resistant PC plastic. This thermostat cover with lock offers exceptional durability, UV resistance, and anti-yellowing properties. Enjoy a clear view of your thermostat settings at all times
【Compatible with Various Thermostats】The thermostat cover designed to accommodate thermostats measuring 7"W x 4.7"H x 2.1"D or smaller. Whether your home, apartment, school, office, restaurant, hotel, church, factory, nursing home or other rental property, our air-conditioned thermostat lock boxes are everywhere to ensure optimal protection and safety
【Maintains Temperature Accuracy】Featuring a four-sided ventilation design, this lock box for thermostat on wall prevents interference with temperature detection, ensuring the accurate performance of your thermostat without compromise
【Easy Installation】This thermostat cover with lock can be installed without removing the thermostat; May need to mount thermostat off-center within thermostat lock box for access to battery door on select models

No. 9

Ravct Thermostat Lock Box with Key, Upgrade Thickening Universal Thermostat Cover, Ac Lock Box Cover with Key for 5" H x 7" W or Smaller Thermostat on Wall

UPGRADE THICKENING:Thermostat lock box is made of clear, strong and chemical resistant PC plastic, which is 1mm/0.04in thicker than other brands of ac lock box.Ravct lockable thermostat cover has excellent durability, UV resistance and anti-yellowing performance. Clearly view the thermostat settings at all times
CARD SLOT DESIGN:The ac thermostat lock box cover groove design allows the upper cover and the base to engage with each other when locked, which will not cause the upper cover to shake or shift, thereby opening the lock box and increasing the locking stability
PROTECTING THERMOSTAT SETTINGS: Thermostat cover with lock protects the thermostat from damage and tampering with thermostat settings by small children and unauthorized persons.Avoid large changes in indoor temperature affecting the fluctuation of electric meters and causing high costs
SUITABLE FOR VARIOUS THERMOSTATS:Thermostat lock box cover is designed to accommodate thermostats with dimensions of 5"H x 7" W x 2.3"D or smaller. Whether it is for your home, apartment, office, school, hotel, restaurant or industrial space, our air conditioner lock box cover with key can find its place everywhere, ensuring optimal protection and security
EASY INSTALLATION:The open thermostat guard allows for installation without removing the thermostat from the wall, just punch holes around your existing thermostat to install it in the right place, you can install this thermostat guard horizontally or vertically to fit your thermostat

No. 10

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

This wall plate is specially designed to work with the All-New Nest Thermostat 2020 (thermostat device sold separately), it is to cover imperfections on your wall and enhance your smart home experience.
Made of high quality ABS materials, perfectly match the Nest Thermostat colors, not only does it look great, it’s built to add a more vibrant look to your Nest Thermostat.
Designed to protect your smart thermostat, the trim plate is to add an extra layer of protection to your smart thermostat and your get extra layer of peace of mind at home.
Beautifully designed, advanced engineering makes the plate part of the Thermostat, installation is as easy as one-two-three, so start now to save energy and stay comfortable.
At AutoSonic, durability is a top priority, we believe the best product is product that lasts, which is why we design our products to be durable so that our customers can buy with confidence.

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Last update on 2025-07-22 / Affiliate links / Images from Amazon Product Advertising API

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