A split system heat pump's defrost sensor is used to detect ice buildup on the heat pump's outdoor coil. When ice builds up on the coil, it reduces the heat pump's ability to transfer heat, which can ...

I drive a 2018 Ford Edge. It’s been great. But this past summer, on a 95-degree day where I live in southwest Arkansas, my heater started blasting very hot air. At the same time, the temperature on ...