Thermostats

Mysa Smart Thermostat LITE

4.4$90–$110

The Mysa LITE brings smart scheduling to electric baseboard heaters with no subscription. Here is what wiring you need first.

Aqara Smart Thermostat W200

4.1$130–$150

The Aqara W200 thermostat adds radar presence sensing, local Matter control and a built-in smart-home hub. Here is who it suits.

Sensi Touch 2 Smart Thermostat

4.4$150–$180

The Sensi Touch 2 adds a color touchscreen, room-sensor support and HVAC alerts. Here is how it compares with cheaper picks.

ecobee Smart Thermostat Essential

4.3$130–$150

The ecobee Essential brings a color touchscreen and broad smart-home support for about $140. Here is what you give up versus the Enhanced.

Google Nest Thermostat (2020)

4.3$79–$130

The Google Nest Thermostat brings Nest design and energy-saving tips for about $80, but skips room sensors. Here is who it suits.

Ecobee Smart Thermostat Enhanced

4.5$180–$200

The ecobee Smart Thermostat Enhanced is ecobee's mid-range model: the same touchscreen and radar occupancy sensing as the Premium, without the built-in speaker, air…

Sensi Lite Smart Thermostat

4.1$70–$90

A budget Wi-Fi thermostat that skips the C-wire on most furnace and AC systems and works with Alexa, Google and SmartThings.

Amazon Smart Thermostat

4.0$60–$80

The budget pick — real ENERGY STAR savings and Alexa control for a fraction of the price.

Google Nest Learning Thermostat

4.0$240–$280

The original smart thermostat brand — builds its own schedule automatically and comes with a room temperature sensor.

Ecobee Smart Thermostat Premium

4.0$220–$260

Includes a room sensor and built-in Alexa/Siri, ideal for homes with a hot or cold spot.

Buying guides 5

Do Smart Thermostats Work With Heat Pumps?

Yes, but heat pumps have quirks that make thermostat choice and setup more important than with a standard furnace.

Smart Thermostat Compatibility: Will It Work With Your HVAC System?

Compatibility issues are the single most common reason a smart thermostat installation goes wrong — here's how to check first.

How Much Does a Smart Thermostat Actually Save on Your Energy Bill?

Manufacturers cite bold percentages — here's what those numbers actually mean and don't mean for your specific home.

Do You Have a C-Wire? Why It Matters Before You Buy a Smart Thermostat

The single wire that decides how easy your smart thermostat install will be — and what to do if you don't have it.

Do You Actually Need a Smart Thermostat? A Simple Way to Figure It Out

A simple gut-check for whether a smart thermostat would actually save you money and hassle, or if you're already doing fine without one.