When your car air conditioning blows hot air, the system is failing at one of three jobs: moving refrigerant, shedding heat, ...

A flat tire (tyre) without a spare feels like the end of the road, yet it is usually a manageable problem if the puncture is in the tread and the tire carcass is still sound. The goal is not a ...

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 ...

Trump's flight to Davos was disrupted by an electrical issue and had to turn back. The White House said the plane had been rerouted to Joint Base Andrews in Maryland. The president will be taking a ...