The Top 10 Ranked by System-type Support (January 2021)

#1

Honeywell T5 Smart Thermostat

honeywellhome.com
#2

Ecobee Smart Thermostats

ecobee.com
Ecobee Smart Thermostats' heater support is rated 5.0 out of 5 stars

Which Have the Best Heater Support?

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