If you feel no air blowing at all (when you are not moving) then your fan is not blowing. If it is blowing air, and it is cold, when the heater is on, then most probably your heater core is leaking, or is clogged. These are easily replaceable and go bad all the time in older cars.
Most (not all) cars are heated by the engine. When fluid moves through the engine it heats up. This fluid moves through the heater core, a fan moves air over the warm heater coils blowing warm air out to the cars cab.
That means either you have air in your heater core or your heater core is being bypassed
The heater in all cars use a fan motor to blow the hot air. If you do not feel blowing air the fan is broken and needs to be replaced OR the fuse to the fan motor is burned out and needs to be replaced OR the fan switch that turns on the fan motor is bad OR the wires running to all of these is not connected somewhere. The solution? Check for a fuse in the fusebox that says "Blower" or "Fan". Remove it and put a new one in. If this does not work bring it to someone to test the other things, you cannot do it yourself.
first of all i hate to say an obvious answer but does the heater motor even turn. Does it blow air at all. The first thing i would check is if the fan motor is blowing any air at all. If not u need to put in a new heater fan motor. first of all i hate to say an obvious answer but does the heater motor even turn. Does it blow air at all. The first thing i would check is if the fan motor is blowing any air at all. If not u need to put in a new heater fan motor.
There is an electrical short to ground in the fan switch or in the blower motor itself.
It could be the heater valve which is located under the hood to the passenger side down below the radiator and fan units.
Only the fan is working, there is no gas burning (gas heater) or the electric heating element is not working(electric heater)Answeris it electric gas or oil Its gas.
Did you chech the fuse?
Could be a Faulty relay.
Check the fuse, fan connections, coolant level, the fan switch, additionally your outside air damper may not be working. The most difficult is checking your heater core, save that for last.
Heater fan and cooling fan.