Quote:
Originally Posted by JJTX
……….Used the heat pump to drive out some moisture. …….as the heat pump caused condensation on the inside and it ran for a while to get rid of it.
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Without getting into a lot of HVAC voodoo science around dew points condensation collects on cold things in warm moist environments. Think a cold glass of Ice Tea on a hot summer day. Condensation forms on the outside of the glass. Hot tea does not form condensation on the outside of its container.
Your heat pump passes air over the "hot deck/coil" in a reverse cycle. It isn't dehumidifying like the AC would. Heat pumps don't produce high, hot, air out the vents like a furnace would. Thus they have to run a long time to make up a temp difference.
Condensation will form on cold things. When the cold things warm up they dry up. If the cold thing was an outside thing, ie window, it might not dry up till outside temps dry up or the inside moisture level is reduced.
ps....your propane furnace will cause condensation on cold things too. Just a shade faster.