Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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10 Best home thermostat accessories of 2026
Save up to 31% off
Best Choice1
ecobeeecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings, Temperature and Occupancy Detection - Compatible with ecobee Thermostats for Home
Key specs-
color: White
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pattern: Thermostat
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batteries included: Yes
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item model number: SmartSensor
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best sellers rank: 1,282 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 1 in Home Thermostat Accessories
9.7Exceptional
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Value for Money2
EmersonSensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55
31% OffKey specs-
screen size:5 Inches
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color:White
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import:Made in the USA
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assembly required:No
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backlight:Yes
9.6Exceptional
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3
ecobeeecobee Trim Plate for Smart Thermostat Essential Only - Programmable WiFi Thermostat Accessory
Key specs-
color: White
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pattern:N/A
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batteries included:N/A
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item model number: EB-STATE7TPR-01
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best sellers rank: 18,196 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 13 in Home Thermostat Accessories
9.4Excellent
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4
GoogleGoogle Nest Thermostat Trim Kit - Made for the Nest Thermostat - Programmable Wifi Thermostat Accessory - Snow
14% OffKey specs-
color: Snow
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pattern:N/A
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batteries included: No
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item model number: GZZN7
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best sellers rank: 8,890 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 7 in Home Thermostat Accessories
9.1Excellent
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5
PetrichorPetrichor Nest Thermostat Wall Plate - Compatible with Google Nest Thermostat 2020 - Nest Thermostat Trim Kit, Nest Thermostat Wall Plate Cover Accessory Easy Installation - Snow
20% Off Limited Time DealKey specs-
color: White
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pattern:N/A
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batteries included: No
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item model number: Petrichor
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best sellers rank: 6,456 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 5 in Home Thermostat Accessories
8.9Very Good
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6
TRJTRJ 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
10% Off Limited Time Deal 00:00:00Key specs-
color:N/A
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pattern:N/A
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batteries included: No
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item model number: TRJ Thermostat cover with lock-01
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best sellers rank: 34,557 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 25 in Home Thermostat Accessories
8.8Very Good
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7
GedreewGedreew 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
13% OffKey specs-
color:Transparent
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pattern:N/A
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batteries included:N/A
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item model number:Thermostat cover with lock-01
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best sellers rank:#4,138 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #6 in Home Thermostat Accessories
8.7Very Good
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8
GoogleGoogle 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
16% Off8.5Good
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9
GoogleGoogle Nest Power Connector - C Wire Adapter for Smart Thermostats - 3.98in Accessory, Snow
Key specs-
color: Snow
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pattern:N/A
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batteries included: No
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item model number: GVNZ4
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best sellers rank: 4,871 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 4 in Home Thermostat Accessories
8.3Good
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10
Honeywell HomeHoneywell Home CG512A1009 Large Thermostat Guard, Fits Thermostats 8. 25" W x 5. 75" H or Smaller
8.2Good
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