if the heater does not blow out warm air change the setting.
heater on at idle and will not blow warm air. when moving it blows the warm air from the vents. what will cause this
Isn't a heater supposed to blow warm air?
Yes.
It could be the thermostat on the engine. If the engine does not warm up adequately the heater will never blow hot air.
The heater may blow cold air instead of warm air due to issues such as low coolant levels, a malfunctioning thermostat, a clogged heater core, or a faulty blend door. These problems can prevent the heater from properly warming the air before it is blown into the car.
Heater core may be plugged . Flush the cooling system, also check thermostat.
Check your anti-freeze levels
engine not warm, low coolant, or stuck thermostat
Your heater may be blowing cold air instead of warm air due to issues such as a malfunctioning thermostat, a clogged air filter, low levels of coolant, or a problem with the heating element. It is recommended to have a professional inspect and repair your heater to resolve the issue.
Low on coolant. Stuck open thermostat. Poor circulation (plugged heater core).
it's because of heat transfer into convection .
why does ac blow warm air? why does ac blow warm air?