The Best Smart Thermostats of 2021

We found the Top Smart Thermostats by analyzing Best Smart Thermostats articles including The best smart thermostats of 2021, The Best Smart Thermostats for 2020 and The 8 Best Smart Thermostats of 2021 from publications like CNET, PCMag and The Spruce.

1
Ecobee Smart Thermostat
  • Best Overall—CNET
  • Best App—CNET
  • Best for Alexa Users—PCMag
  • Best for Alexa—The Spruce
$249 on Amazon
2
Google Nest Learning Thermostat
  • Best Design—CNET
  • Best for Nest Device Users—PCMag
  • Best Overall—The Spruce
$219 on Amazon
3
Google Nest Thermostat E
  • Best for Overall Value—PCMag
  • Best Smart—The Spruce
  • Best for Google Home—The Spruce
Find it on Amazon
4
Honeywell Home T9 Smart Thermostat
  • Best Remote Sensor—CNET
  • Best for Multiple Rooms—PCMag
$178 on Amazon
5
Honeywell Lyric T5
  • Best Value—CNET
  • Best for Bargain Seekers—PCMag
$99 on Amazon
6
Bosch Connected Control BCC100 Thermostat
  • Best for a Large Color Touch Screen—PCMag
$132 on Amazon
7
ecobee3 Lite Smart Thermostat
  • Best Wireless—The Spruce
$169 on Amazon
8
Ecobee4 Smart Thermostat
  • Best for Multiple Zones—The Spruce
Find it on Amazon
9
Emerson Sensi Wi-Fi Smart Thermostat for Smart Home
  • Best Wifi-Enabled—The Spruce
  • Best Battery-Powered—The Spruce
Find it on Amazon
10
GLAS Smart Thermostat by Johnson Controls
  • Best Splurge—The Spruce
  • Best for Air Quality—The Spruce
$135 on Amazon
11
Heagstat H705 5-1-1-Day Single Stage Programmable Thermostat
  • Best Digital—The Spruce
$27 on Amazon
12
Honeywell Home RTH8560D 7 Day Programmable Touchscreen Thermostat
  • Best Overall—The Spruce
$75 on Amazon
13
Honeywell Home Wi-Fi Programmable Thermostat, Model RTH6580WF
  • Best Budget—The Spruce
Find it on Amazon
14
Honeywell Smart Wi-Fi Color Touch Thermostat, Model RTH9585WF
  • Runner-Up, Best Overall—The Spruce
Find it on Amazon
15
Lux 7-Day Manual or Programmable Thermostat
  • Best Budget—The Spruce
$31 on Amazon
16
Lux Kono Smart Thermostat
  • Best for HomeKit Users—PCMag
$78 on Amazon
17
Lux/Geo Wi-Fi Thermostat
  • Best for Stylish Design—PCMag
$85 on Amazon
18
Orbit 83521 Clear Comfort Programmable Thermostat
  • Best Basic—The Spruce
$36 on Amazon