Corona Del Mar Heat Pump FAQ: Why is Steam Rising from the Outdoor Unit of my Heat Pump?
March 28th, 2012In the winter months, we often get calls from Corona Del Mar customers about steam rising from the outdoor unit of their heat pumps, which is often mistaken for smoke. Steam rising from your outdoor unit is a normal during the heat pump defrost cycle. The defrost cycle prevents ice from accumulating on the outdoor coils.