Best Smart Home Thermostats Updated May 2025

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Best Smart Home Thermostats
2025 Buyer's GuideUpdated May 2025
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10.0

1

10.0

meross Smart Thermostat for Home, WiFi Thermostat Works with Matter, Alexa, Apple Home, Google Assistant, App & Voice Control, ...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Home, Apple HomeKit
Compare
Picked by 193 people this week!
Picked by 193 people this week!

10.0

1
meross Smart Thermostat for Home, WiFi Thermostat Works with Matter, Alexa, Apple Home, Google Assistant, App & Voice Control, ...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Home, Apple HomeKit

9.8

2

9.8

Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Compatible with Ale...
Programmable: Yes, 7-day schedule
Compatibility: Most 24V HVAC systems
C-Wire Required: Depends on system
Smart Home Integrations: Amazon Alexa, Google Home

9.8

2
Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Compatible with Ale...
Programmable: Yes, 7-day schedule
Compatibility: Most 24V HVAC systems
C-Wire Required: Depends on system
Smart Home Integrations: Amazon Alexa, Google Home

9.4

3

9.4

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
Compare

9.4

3
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

9.3

4

9.3

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

9.3

4
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

9.2

5

9.2

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

9.2

5
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

9.1

6

9.1

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

9.1

6
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

8.9

7

8.9

Honeywell Home RTH8800WF2022, T5 WiFi Smart Thermostat, 7 Day-Programmable Touchscreen, Alexa Ready, Geofencing Technology, Ene...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android

8.9

7
Honeywell Home RTH8800WF2022, T5 WiFi Smart Thermostat, 7 Day-Programmable Touchscreen, Alexa Ready, Geofencing Technology, Ene...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android

8.8

8

8.8

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

8.8

8
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

8.5

9

8.5

ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certif...
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

8.5

9
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certif...
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

8.3

10

8.3

meross Smart Thermostat for Electric Baseboard and in-Wall Heaters Work with HomeKit, Alexa and Google Home, 120V-240V Wi-Fi Pr...
Programmable: Yes, 7-day schedule
Compatibility: Electric baseboard, convector, and fan-forced systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Home, Apple HomeKit, Samsung SmartThings
Compare
Compare

8.3

10
meross Smart Thermostat for Electric Baseboard and in-Wall Heaters Work with HomeKit, Alexa and Google Home, 120V-240V Wi-Fi Pr...
Programmable: Yes, 7-day schedule
Compatibility: Electric baseboard, convector, and fan-forced systems
C-Wire Required: No
Smart Home Integrations: Amazon Alexa, Google Home, Apple HomeKit, Samsung SmartThings
Compare

Our Top Choice

10.0

1

10.0

meross Smart Thermostat for Home, WiFi Thermostat Works with Matter, Alexa, Apple Home, Google Assistant, App & Voice Control, ...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Home, Apple HomeKit
Compare
Picked by 193 people this week!
Picked by 193 people this week!

10.0

1
meross Smart Thermostat for Home, WiFi Thermostat Works with Matter, Alexa, Apple Home, Google Assistant, App & Voice Control, ...
Programmable: Yes, 7-day schedule
Compatibility: 95% of HVAC systems
C-Wire Required: Yes
Smart Home Integrations: Amazon Alexa, Google Home, Apple HomeKit

Compare Features

Smart Home Integrations
Best Smart Thermostat
1. Meross Smart Thermostat
MEROSS Preview MEROSS Preview
MEROSS
at Amazon
2. Google Nest Learning Thermostat 3rd Gen (Renewed)
GOOGLE Preview GOOGLE Preview
GOOGLE
at Amazon
Popular
3. Amazon Smart Thermostat
AMAZON Preview AMAZON Preview
AMAZON
at Amazon
Best Value
4. Amazon Smart Thermostat (Refurbished)
AMAZON Preview AMAZON Preview
AMAZON
at Amazon
5. Honeywell Home Wi-Fi Color Smart Thermostat
HONEYWELL Preview HONEYWELL Preview
HONEYWELL
at Amazon
6. ecobee SmartSensor 2 Pack
ECOBEE Preview ECOBEE Preview
ECOBEE
at Amazon
7. Honeywell Home Wi-Fi Smart Thermostat
HONEYWELL Preview HONEYWELL Preview
HONEYWELL
at Amazon
8. Google Nest Learning Smart Thermostat (3rd Gen)
GOOGLE Preview GOOGLE Preview
GOOGLE
at Amazon
Premium Pick
9. Ecobee 2022 Smart Thermostat
ECOBEE Preview ECOBEE Preview
ECOBEE
at Amazon
10. Meross Smart Thermostat
MEROSS Preview MEROSS Preview
MEROSS
at Amazon
Deal
Save 14% Save 13% Save 29% Save 37% Save 20% Save 30% Save 38% Save 16%
Deal Save 14% Save 13% Save 29% Save 37% Save 20% Save 30% Save 38% Save 16%
Programmable
Yes, 7-day schedule Yes, 7-day schedule 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, with auto-scheduling Yes, 7-day schedule
Programmable
Yes, 7-day schedule Yes, 7-day schedule 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, with auto-scheduling Yes, 7-day schedule
Compatibility
95% of HVAC systems Most 24V HVAC systems 95% of HVAC systems Most 24V HVAC systems 95% of HVAC systems Ecobee thermostats 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems Electric baseboard, convector, and fan-forced systems
Compatibility
95% of HVAC systems Most 24V HVAC systems 95% of HVAC systems Most 24V HVAC systems 95% of HVAC systems Ecobee thermostats 95% of HVAC systems 95% of HVAC systems 95% of HVAC systems Electric baseboard, convector, and fan-forced systems
C-Wire Required
Yes Depends on system No Yes Yes No Yes No Yes No
C-Wire Required
Yes Depends on system No Yes Yes No Yes No Yes No
Smart Home Integrations
Amazon Alexa, Google Home, Apple HomeKit Amazon Alexa, Google Home Amazon Alexa Amazon Alexa Amazon Alexa, Google Assistant, IFTTT, iOS, Android Ecobee thermostats Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Assistant, Nest Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Home, Apple HomeKit, Samsung SmartThings
Smart Home Integrations
Amazon Alexa, Google Home, Apple HomeKit Amazon Alexa, Google Home Amazon Alexa Amazon Alexa Amazon Alexa, Google Assistant, IFTTT, iOS, Android Ecobee thermostats Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Assistant, Nest Amazon Alexa, Google Assistant, Apple HomeKit, iOS, Android Amazon Alexa, Google Home, Apple HomeKit, Samsung 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.


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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.