Can I Use Any Smart Thermostat With a Heat Pump?
"It's smart, so it'll work" isn't how heat-pump thermostats go. The thermostat has to control the reversing valve, staging, aux/emergency heat and sometimes communicating equipment
Single-Stage vs. Two-Stage vs. Variable-Speed Heat Pumps
Single-stage, two-stage, variable-speed—"premium" isn't automatically the right answer. Here's how each heat-pump type actually operates, the real differences in comfort, noise,
