Best Smart Thermostat for a Heat Pump System
The best smart thermostat for a heat pump checks aux heat lockout, O/B reversing valve wiring, and multi-stage compressor support, not just app features.
Tag O/B reversing valve wiring
The best smart thermostat for a heat pump checks aux heat lockout, O/B reversing valve wiring, and multi-stage compressor support, not just app features.