Help no heat
Our heat won't come on. The AC cooling side on thermostat works but the heat side won't come on. At first the #1 unit was all that would work on cooling and now the # 2 unit will work on cooling also,...
Forum Discussion
A Well designed heat pump measures the temp both INSIDE and OUTSIDE. if the outside is below something near freezing (THe cut off temp) they will not work.
WHY: Well, they don't work well when that cold
Other well made units can work below freezing but they do special things so they work that way.
But making one like that takes more energy and weighs more.
So it could be they are below operating temp.
WHY: Well, they don't work well when that cold
Other well made units can work below freezing but they do special things so they work that way.
But making one like that takes more energy and weighs more.
So it could be they are below operating temp.
