Thermostats

Smart thermostats that actually save money and don't need a redo six months in.

Best no-C-wire option

Emerson Sensi Touch 2

The thermostat on this list most likely to work without a C-wire, a real advantage in older homes.

Read the review → Best auto-scheduling

Google Nest Learning Thermostat (4th Gen)

The auto-scheduling thermostat most people already know by name, and still the fastest to learn a household's routine.

Read the review → Best air quality monitoring

ecobee Smart Thermostat Premium

The only thermostat here with a built-in air quality monitor and a room sensor included rather than sold separately.

Read the review → Cleanest app

Google Nest Thermostat

Nest's cleanest app and install experience, without paying for the Learning Thermostat's auto-scheduling.

Read the review → Simplest setup

Amazon Smart Thermostat

Honeywell-made hardware under an Amazon badge, with the simplest DIY install of any thermostat on this list.

Read the review → Cheapest real smart thermostat

Wyze Thermostat

The cheapest smart thermostat here that still does real geofencing and scheduling, not just a Wi-Fi switch.

Read the review →