If you’re asking this question, this is probably the first winter you’ve spent with a heat pump providing comfort for your home. You made a change in spring or winter to your HVAC system and replaced it with a heat pump. This is a great choice—heat pumps are able to deliver excellent cooling in hot weather and energy efficient heating in winter. Thanks to advances in heat pump technology, heat pumps operate in cold temperatures better than ever before.
But making the change to a heat pump brings with it a few adjustments. When you see what looks like smoke coming off the outside cabinet of the heat pump, please don’t panic—this is actually how the heat pump is supposed to run, as we’ll explain below.