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10 bestDiy Thermostatof December 2025

112M consumers helped this year.

1

ecobee3 Lite Smart Thermostat - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - DIY Install
ecobee3 Lite Smart Thermostat - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - DIY Install

ecobee

9.7

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24% off

2

Inkbird ITC-308 Digital Temperature Controller Outlet Thermostat Plug, 2-Stage Outlet Heating and Cooling Mode 1100w, w/Sensor Greenhouse Incubator Brewing Fermentation Reptile
Inkbird ITC-308 Digital Temperature Controller Outlet Thermostat Plug, 2-Stage Outlet Heating and Cooling Mode 1100w, w/Sensor Greenhouse Incubator Brewing Fermentation Reptile

Inkbird

9.4

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3

Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF), Requires C Wire, Works with Alexa
Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF), Requires C Wire, Works with Alexa

Honeywell

9.2

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7% off

4

Inkbird Temperature Controller ITC-306T Digital Thermostat Smart Day Night Cycle Dual Heating Outlet
Inkbird Temperature Controller ITC-306T Digital Thermostat Smart Day Night Cycle Dual Heating Outlet

Inkbird

8.9

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5

Sensi Touch 2 Smart Thermostat with Touchscreen Color Display, 100 Years of Expertise, Programmable, Wi-Fi, Data Privacy, Easy DIY, Works with Alexa, Energy Star Certified, ST76, C-Wire Required
Sensi Touch 2 Smart Thermostat with Touchscreen Color Display, 100 Years of Expertise, Programmable, Wi-Fi, Data Privacy, Easy DIY, Works with Alexa, Energy Star Certified, ST76, C-Wire Required

Emerson

8.6

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Emerson Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star Certified, ST55

Emerson Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star Certified, ST55

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Honeywell Home RTH6360D 5-2 Day Programmable Thermostat

Honeywell Home RTH6360D 5-2 Day Programmable Thermostat

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Inkbird ITC-306T Digital Heating Thermostat Temperature Controller Dual Timer Cycle 24 Hours Day& Night Display AC 110V 1200W for Reptiles Breeding Greenhouse(Only Heating,No Cooling)

Inkbird ITC-306T Digital Heating Thermostat Temperature Controller Dual Timer Cycle 24 Hours Day& Night Display AC 110V 1200W for Reptiles Breeding Greenhouse(Only Heating,No Cooling)

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Emerson 1F95-1291 Univeral 7-Day Touchscreen Thermostat with Humidity Control

Emerson 1F95-1291 Univeral 7-Day Touchscreen Thermostat with Humidity Control

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6

Honeywell Th8321wf1001 Touchscreen Thermostat WiFi Vision Pro 8000 with Stages Upto 3 Heat/2 Cool
Honeywell Th8321wf1001 Touchscreen Thermostat WiFi Vision Pro 8000 with Stages Upto 3 Heat/2 Cool

Honeywell

8.3

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7% off

7

Honeywell TH1100DV1000 Nonprogrammable Heat Only Thermostat, White - 1 Pack
Honeywell TH1100DV1000 Nonprogrammable Heat Only Thermostat, White - 1 Pack

Honeywell

8.0

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8

Honeywell Home RTH5160D1016/E Digital Non-Programmable Thermostat
Honeywell Home RTH5160D1016/E Digital Non-Programmable Thermostat

Honeywell

7.7

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10% off

9

Honeywell Home RLV3120A1005 Digital Non-Programmable Thermostat, White
Honeywell Home RLV3120A1005 Digital Non-Programmable Thermostat, White

Honeywell

7.4

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10

INKBIRD Temperature Controller C226T Heating & Cooling Thermostat Outlet Max 1800W with Backlit for Reptile, Brewing, Pet, Incubation, Heater, Home, Freezer, Greenhouse
INKBIRD Temperature Controller C226T Heating & Cooling Thermostat Outlet Max 1800W with Backlit for Reptile, Brewing, Pet, Incubation, Heater, Home, Freezer, Greenhouse

Inkbird

7.1

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