The 7-10 degree setback rule works on a furnace. On a heat pump it can trigger expensive backup heat. Here is the revised range and why.
Waking up to a cold house is usually a setting, not the setback itself. The diagnostic order that fixes it without giving up the savings.
What recovery mode on a smart thermostat actually does, why it starts early, and whether it cancels the money you saved with a setback.
Set up your smart thermostat to cut heating and cooling costs: a copyable home, away, and sleep schedule, DOE setpoints, and comfort tips.
A thermostat schedule only saves energy if nobody switches it off. Here is how to design one around your household’s real complaints, not a template.