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Best Smart Thermostats for Heat Pumps in 2026
Proper aux/emergency-heat control, not just on/off.
Finding the best smart thermostat for heat pumps comes down to proper compressor-stage and auxiliary-heat control rather than simple on-off. We tested and ranked the top-rated models so you don't have to, and these are our picks for 2026. Each one below earns its place on merit, with current prices and where to buy.
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Loaded flagship with built-in Alexa, air quality monitor, and an included room sensor.
Why it makes the list
- + Built-in Alexa speaker and far-field mic
- + Includes a SmartSensor for room balancing
Worth knowing
- − Higher price than most rivals
- − Built-in voice assistant may be unnecessary for some
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The self-teaching flagship that builds your schedule automatically and looks gorgeous doing it.
Why it makes the list
- + Learns your schedule automatically with no programming
- + Beautiful high-resolution display with far-field sensing
Worth knowing
- − No Apple HomeKit support
- − Premium price compared to competitors
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Most of the Premium experience minus the speaker and air quality sensor, for less money.
Why it makes the list
- + Same premium touchscreen as the flagship
- + Supports HomeKit, Alexa, Google and SmartThings
Worth knowing
- − No built-in voice speaker
- − Room sensor sold separately
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Color touchscreen smart thermostat with wide HVAC support and the broadest ecosystem reach.
Why it makes the list
- + Supports HomeKit, Alexa, Google and SmartThings
- + Broad heat pump and multi-stage compatibility
Worth knowing
- − No remote room sensors
- − Limited energy reporting
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Reliable pro-grade smart thermostat with deep HVAC compatibility at a fair price.
Why it makes the list
- + Excellent heat pump and multi-stage compatibility
- + Trusted pro-installer reliability
Worth knowing
- − No remote room sensors
- − No HomeKit support
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Smart room sensors that track motion and temperature to comfort the rooms that matter.
Why it makes the list
- + Long-range smart room sensors with motion detection
- + Prioritizes comfort in occupied rooms
Worth knowing
- − App can be slow and unintuitive
- − No HomeKit support
Frequently asked questions
What is the best smart thermostat for heat pumps in 2026?
The Ecobee SmartThermostat Premium is our top pick for heat pumps. It ranked highest in our testing thanks to proper compressor-stage and auxiliary-heat control rather than simple on-off, and it is the model we recommend first for most buyers.
How much should I spend on a smart thermostat for heat pumps?
Solid options start around $99. The Ecobee SmartThermostat Premium, at $249, hits the best balance of price and performance for heat pumps in our rankings.
Is a smart thermostat worth it for heat pumps?
Yes. For heat pumps, the right smart thermostat delivers results a cheaper model cannot, and every pick above was chosen for exactly this use.
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