your thermostat is most likely stuck open. replace it ,,before ol' man winter comes!
ruud furnace only blows cold air, no heat
ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air? ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air?
Your climate control in your 1998 Ford E250 Cargo Van blows cold air when in heat position and sometimes it blows warm air when in the cold position?
heat works in back not in front front blows hot for a few mins then cold
Bad Thermostat
An air conditioner blows out heat
make sure both knobs are all the way up on red for heat...
The wind blows your body heat away from you. And if the wind feels cold it probably is cold.
The heater valve may not be engaging or the heater core may be blocked.
The heater blend door is vacuum actuated. You have a vacuum leak somewhere.
Whats the problem? Blows cold air with the heat settings on?
Check upstairs heating unit.