In this month’s troubleshooting problem, we have a customer who can only tell us that the equipment that serves their small office “isn’t working.” When you arrive, you confirm that the building ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...

The problem with the heat pump leading Tesla owners to lose heat in extreme cold and the subsequent software fix that Tesla issued has now been revealed in more detail in the new NHTSA recall. Last ...

A heat pump heats and cools your home, functioning like a combined furnace and central air conditioner. Because they absorb and move heat from the air, heat pumps are exceptionally energy-efficient ...

Heat pumps function similarly to refrigerators or air conditioners, which take warm air from one space and send it to another. In the winter, a heat pump transfers heat from the outdoors inside and, ...