Best Smart Thermostats 2024 Updated April 2024

Join the millions that have trusted BuyersGuide.org to help them make smarter buying decisions. Let our independent expert reviews and data-driven shopping recommendations help you find the smart thermostat that's right for you.

Best Smart Thermostats 2024 Updated April 2024

Join the millions that have trusted BuyersGuide.org to help them make smarter buying decisions. Let our independent expert reviews and data-driven shopping recommendations help you find the smart thermostat that's right for you.

10.0

1

10.0

Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa - ...
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Nest
Picked by 802 people this week!
Picked by 802 people this week!

10.0

1
Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa - ...
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Nest

9.8

2

9.8

Certified Refurbished 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

9.8

2
Certified Refurbished 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

9.7

3

9.7

Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Requi...
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
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Requi...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, IFTTT, iOS, Android

9.6

4

9.6

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

9.6

4
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

9.4

5

9.4

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

9.4

5
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

9.3

Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, iOS, Android, Nest

9.3

6
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, iOS, Android, Nest

9.2

7

9.2

Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star Certified, ST55.
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings, Vera

9.2

7
Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star Certified, ST55.
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings, Vera

9.0

8

9.0

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

9.0

8
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

8.9

9

8.9

Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Requ...
Programmable: Yes, 7-day schedule
Compatibility: Most 24V HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, SmartThings

8.9

9
Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Works with Alexa, Energy Star Certified, C-wire Requ...
Programmable: Yes, 7-day schedule
Compatibility: Most 24V HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, SmartThings

8.7

10

8.7

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

8.7

10
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

Our Top Choice

10.0

1

10.0

Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa - ...
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Nest
Picked by 802 people this week!
Picked by 802 people this week!

10.0

1
Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Works with Alexa - ...
Programmable: Yes, with auto-scheduling
Compatibility: 95% of HVAC systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Assistant, Nest

Compare Features

Smart Home Integrations
Best Smart Thermostat
1. Google Nest Learning Smart Thermostat (3rd Gen)
Google Preview Google Preview
Google
at Amazon
2. Amazon Smart Thermostat (Refurbished)
Amazon Preview Amazon Preview
Amazon
at Amazon
3. Honeywell Home Wi-Fi Color Smart Thermostat
Honeywell Preview Honeywell Preview
Honeywell
at Amazon
4. Ecobee 2022 Smart Thermostat
ecobee Preview ecobee Preview
ecobee
at Amazon
Premium Pick
5. ecobee Premium Smart Thermostat
ecobee Preview ecobee Preview
ecobee
at Amazon
6. Google Nest Smart Thermostat
Google Preview Google Preview
Google
at Amazon
7. Emerson Sensi Wi-Fi Smart Thermostat
Sensi Preview Sensi Preview
Sensi
at Amazon
Best Value
8. Amazon Smart Thermostat
Amazon Preview Amazon Preview
Amazon
at Amazon
9. Emerson Sensi Touch Smart Thermostat
Emerson Thermostats Preview Emerson Thermostats Preview
Emerson Thermostats
at Amazon
Deal
Save 24% Save 32% Save 8% Save 6% Save 31% Save 24% Save 20% Save 17%
Deal Save 24% Save 32% Save 8% Save 6% Save 31% Save 24% Save 20% Save 17%
Programmable
Yes, with auto-scheduling Yes, with auto-scheduling Yes, 7-day schedule Yes, with auto-scheduling Yes, 7-day schedule Yes, with auto-scheduling Yes, 7-day schedule Yes, with auto-scheduling Yes, 7-day schedule
Programmable
Yes, with auto-scheduling Yes, with auto-scheduling Yes, 7-day schedule Yes, with auto-scheduling Yes, 7-day schedule Yes, with auto-scheduling Yes, 7-day schedule Yes, with auto-scheduling Yes, 7-day schedule
Compatibility
95% of HVAC systems Most 24V 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 Most 24V HVAC systems
Compatibility
95% of HVAC systems Most 24V 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 Most 24V HVAC systems
C-Wire Required
No Yes Yes Yes No No No No Yes
C-Wire Required
No Yes Yes Yes No No No No Yes
Smart Home Integrations
Amazon Alexa, Google Assistant, Nest Amazon Alexa Amazon Alexa, Google Assistant, IFTTT, iOS, Android Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Assistant, iOS, Android, Nest Amazon Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings, Vera Amazon Alexa Amazon Alexa, Google Assistant, Apple HomeKit, SmartThings
Smart Home Integrations
Amazon Alexa, Google Assistant, Nest Amazon Alexa Amazon Alexa, Google Assistant, IFTTT, iOS, Android Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Assistant, iOS, Android, Nest Amazon Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings, Vera Amazon Alexa Amazon Alexa, Google Assistant, Apple HomeKit, SmartThings

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.


Trusting Our Top Pick



25
Models
Evaluated

7
Topics
Considered

19
Hours of
Research

8,203
Purchases
Analyzed



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.