The Air Conditioner is on
a/c blows warm air when idles cold when running
ruud furnace only blows cold air, no heat
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?
When cold dry air blows over large lakes and then over land forms what
Differences in air pressure.
An air conditioner blows out heat
it could be the heater core and ac housing unit that allows hot air to be mixed with the cold air or it could just cancel out the cold due to the motion of the car
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?
Well the main reason why your car blows out cold then hot is because the air conditioner may not be working properly. You should go to the car shop and get it fixed.
Bad Thermostat
The most common reason a automobile heater blows cold air is the water level is low. Check the water level and fill to the appropriate level.
When air is cooled , its density increases .