Was wondering if anyone would know, my main unit outside, will turn on,fans on it are running, but its not cooling house, no air coming threw vents in house, if we leave air/heating unit running outside ,it starts to sweat,theirs water on top of the unit, not sure if its freezing up or not ,it was...

Had new thermostat installed,most everything on this york unit has been checked,couldn't find a problem,boards,contacts,relays all checked out to be fine,still blowing 5 amp fuse when calling for heat??

WE have a forced air oil fired furnace (and water heater if that matters) and while it works well most of the time, sometimes on a windy day we'll get cool air blowing through the registers when the furnace isn't even running. What could be the cause of that? The furnace is vented out through a...

We have a 3 year old unit that is not blowing cold air when we switch to cool. The unit outside starts up and everything seems fine. But it does not blow cold air. The second identical unit we have blows very cold air. Please help.;)

I started with a slight dripping problem(sayko system).i decided to replace all 3 stem assemblies together as they all were about 18 years old.after reassembling the new stems(danko brand),turned on the water supply & checked faucets.hot & cold worked fine but when the shower was turned on,water...