This technical primer breaks down defrost control board operation, key components, and practical troubleshooting steps every ...

Part 1 in this series covered defrost cycle problems in heat pumps. Now, let's discuss the second major winter issue: heat pumps stuck in one mode. The customer calls and says the system won't switch ...

Your backup heat is supposed to be the quiet safety net in your home’s comfort system, not the star of the show. Yet in many ...

Chart shows that it took more electricity to heat a home with a heat pump when the thermostat was changed during the day (“on-off”) vs. constant temperature Credit: US Department of Energy—Courtesy ...