The blowers go out-It can be fixed and it's not too expensive. I have a 2000 grand prix that this happened to about 3 years ago.
If you are not getting heat out of the heater, there are only a few things that could be wrong. The first is low coolant. You can't get heat without coolant running through the heater. If it is low, sometimes it has to be bled of air bubbles. If both heater hose running to the heater are hot, you have circulation. If not the heater could be plugged or not getting the coolant to circulate. There is also a damper in the heater system to stop cold air from bypassing the heater and that needs to be checked.
Your heater core is plugged and you need a thermostat.
Are both lines hot that go into and out of heater core? Plugged heater core will result in no heat, or other restriction.
you need heat shields under the carpit if they are missing.
Heater produsces - heat recovery finds heat and reuses it
A 2003 VW Passat will have no heat when the heater core is defective or obstructed. This prevents hot air from getting into the vehicle's cabin.
A heater may not be keeping a house warm because it is too small for the space. An older heater may not be performing as it should. If you are getting no heat from the heater, you may have blown a fuse and should check the circuit breaker box.
When a head gasket blows, it most often causes a lose of coolant either in the exhaust or the oil. When the coolant drops, there is not enough to circulate through the heater core. The engine may over heat but no heat will come out of the heater because there is no coolant in it.
not getting heat into cab not even enought to defrost windows i have changed the heater core an thermostat an back washed the core and still nothing
Poor heat from heater could be, low on coolant, stuck open thermostat, plugged/dirty heater core, temp blend door malfunction,
The heater in your car uses waste heat from the engine to heat the car. When the engine is not running there is no heat to distribute.
by fire . an electric heater is a metal, and a metal is a good conductor of heat. so it can produce heat