Best Smart Thermostats Updated December 2024

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Best Smart Thermostats
2024 Buyer's GuideUpdated December 2024
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10.0

1

10.0

Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa
Compare
Picked by 232 people this week!
Picked by 232 people this week!

10.0

1
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa

9.9

2

9.9

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, IFTTT, iOS, Android

9.9

2
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, IFTTT, iOS, Android

9.7

3

9.7

ecobee3 Lite Smart Thermostat - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, iOS, Android, Vera

9.7

3
ecobee3 Lite Smart Thermostat - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, iOS, Android, Vera

9.6

4

9.6

Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - Stainless Steel
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Nest

9.6

4
Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - Stainless Steel
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Nest

9.5

5

9.5

Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, iOS, Android, Nest

9.5

5
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, iOS, Android, Nest

9.3

6

9.3

ecobee New Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri,...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android

9.3

6
ecobee New Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri,...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android

9.1

7

9.1

Sensi Lite Smart Thermostat, Data Privacy, Programmable, Wi-Fi, Easy DIY, Works With Alexa, Energy Star Certified, ST25, Most S...
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: Depends on system
Smart Home Integrations: Amazon Alexa, Google Home, Samsung SmartThings

9.1

7
Sensi Lite Smart Thermostat, Data Privacy, Programmable, Wi-Fi, Easy DIY, Works With Alexa, Energy Star Certified, ST25, Most S...
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: Depends on system
Smart Home Integrations: Amazon Alexa, Google Home, Samsung SmartThings

8.9

8

8.9

ecobee New Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Ce...
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android

8.9

8
ecobee New Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Ce...
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android

8.8

9

8.8

ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible with ecobee Smart Thermostats for Home...
Programmable: Yes, with auto-scheduling
Compatibility: Ecobee thermostats
C-Wire Required: No
Smart Home Integrations: Ecobee thermostats

8.8

9
ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible with ecobee Smart Thermostats for Home...
Programmable: Yes, with auto-scheduling
Compatibility: Ecobee thermostats
C-Wire Required: No
Smart Home Integrations: Ecobee thermostats

8.5

10

8.5

Like-New Amazon Smart Thermostat – ENERGY STAR certified, DIY install, Works with Alexa – C-wire required
Programmable: Yes, with auto-scheduling
Compatibility: Most 24V HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa

8.5

10
Like-New Amazon Smart Thermostat – ENERGY STAR certified, DIY install, Works with Alexa – C-wire required
Programmable: Yes, with auto-scheduling
Compatibility: Most 24V HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa

Our Top Choice

10.0

1

10.0

Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa
Compare
Picked by 232 people this week!
Picked by 232 people this week!

10.0

1
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa

Compare Features

Smart Home Integrations
Best Smart Thermostat
1. Amazon Smart Thermostat
AMAZON Preview AMAZON Preview
AMAZON
at Amazon
2. Honeywell Home Wi-Fi Color Smart Thermostat
HONEYWELL Preview HONEYWELL Preview
HONEYWELL
at Amazon
3. ecobee3 lite Smart Thermostat
ECOBEE Preview ECOBEE Preview
ECOBEE
at Amazon
4. Google Nest Learning Smart Thermostat (3rd Gen)
GOOGLE Preview GOOGLE Preview
GOOGLE
at Amazon
5. Google Nest Charcoal Smart Thermostat
GOOGLE Preview GOOGLE Preview
GOOGLE
at Amazon
Premium Pick
6. ecobee Premium Smart Thermostat
ECOBEE Preview ECOBEE Preview
ECOBEE
at Amazon
7. Emerson Sensi Lite Smart Thermostat
EMERSON THERMOSTATS Preview EMERSON THERMOSTATS Preview
EMERSON THERMOSTATS
at Amazon
8. Ecobee 2022 Smart Thermostat
ECOBEE Preview ECOBEE Preview
ECOBEE
at Amazon
9. ecobee SmartSensor 2 Pack
ECOBEE Preview ECOBEE Preview
ECOBEE
at Amazon
Best Value
10. Amazon Smart Thermostat (Refurbished)
AMAZON Preview AMAZON Preview
AMAZON
at Amazon
Deal
Save 44% Save 13% Save 32% Save 17% Save 12% Save 29% Save 11% Save 30% Save 43%
Deal Save 44% Save 13% Save 32% Save 17% Save 12% Save 29% Save 11% Save 30% Save 43%
Programmable
Yes, with auto-scheduling Yes, 7-day schedule Yes, 7-day schedule Yes, with auto-scheduling Yes, 7-day schedule Yes, 7-day schedule Yes, with auto-scheduling Yes, with auto-scheduling Yes, with auto-scheduling Yes, with auto-scheduling
Programmable
Yes, with auto-scheduling Yes, 7-day schedule Yes, 7-day schedule Yes, with auto-scheduling Yes, 7-day schedule Yes, 7-day schedule Yes, with auto-scheduling Yes, with auto-scheduling Yes, with auto-scheduling Yes, with auto-scheduling
Compatibility
95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems Ecobee thermostats Most 24V HVAC systems
Compatibility
95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems Ecobee thermostats Most 24V HVAC systems
C-Wire Required
No Yes Yes No No No Depends on system Yes No Yes
C-Wire Required
No Yes Yes No No No Depends on system Yes No Yes
Smart Home Integrations
Amazon Alexa Amazon Alexa, Google Assistant, IFTTT, iOS, Android Amazon Alexa, Google Assistant, iOS, Android, Vera Amazon Alexa, Google Assistant, Nest Amazon Alexa, Google Assistant, iOS, Android, Nest Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Home, Samsung SmartThings Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Ecobee thermostats Amazon Alexa
Smart Home Integrations
Amazon Alexa Amazon Alexa, Google Assistant, IFTTT, iOS, Android Amazon Alexa, Google Assistant, iOS, Android, Vera Amazon Alexa, Google Assistant, Nest Amazon Alexa, Google Assistant, iOS, Android, Nest Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Home, Samsung SmartThings Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Ecobee thermostats Amazon Alexa

Smart Thermostat Buyer's Guide



Navigating the many choices for every purchase can be challenging. Our team spends hours doing research on every product under the sun, and we summarize that information in clear, precise comparisons. Our top pick is based on the factors that are important to our readers, the most popular products in each category, and our data-driven analysis of all the options. We do our best to give you all the information you need to make the right purchase in one place.


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19
Hours of
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Our recommendations are based on expert comparisons between available products in each category. We choose the topics that we think matter most to our readers, and provide concise, clear comparisons of the features that matter. Our rankings change day-to-day based on new data and shopping trends, so we can identify top-performing products and tailor our recommendations to exactly what our readers are looking for.