Why Does My Heat Pump Outdoor Unit Steam During Cold Weather?
For many homeowners, the sight of a heat pump "smoking" or emitting clouds of steam during a freezing winter day can be a cause for immediate alarm. It often looks like an electrical fire or a catastrophic mechanical failure is underway. However, in the vast majority of cases, what you are seeing is a perfectly normal and essential part of the machine's operation known as the defrost cycle. To...