Best Smart Thermostat for a Heat Pump (2026)
Heat pumps are sensitive to thermostat strategy — sharp setbacks force inefficient backup-heat ("aux heat") to engage, wiping out savings. Look for thermostats with true heat-pump-aware logic: gradual recovery, aux-heat lockout, and accessory wire support.
This page contains affiliate links. As an Amazon Associate we earn a small commission on qualifying purchases — at no cost to you. Recommendations are based on independent research; we never accept payment for placement. Why: Best overall — strict aux-heat lockout, included room sensor Top-rated smart thermostat with built-in air quality sensor. Cuts HVAC ~15%. Why: Best aesthetics — true 'Heat Pump Balance' mode Self-programming, Energy Star rated. ~$250. Why: Best for zoned homes (room sensors included) See your heat pump savings in every state. Selections are based on a combination of (1) third-party efficiency certifications (ENERGY STAR, AHRI, CEE), (2) verified-purchase review patterns on Amazon and manufacturer sites, and (3) practical fit for typical U.S. household installation. We disclose all affiliate relationships and never accept payment for placement. For full transparency on how we compute the cost numbers throughout this site, see our methodology.Ecobee Smart Thermostat Premium
Google Nest Learning Thermostat (3rd Gen)
Honeywell Home T9 Thermostat
The bottom line
How we pick