95 firebird not blowing out hot air

Does the engine reach normal operating temp? Are the heater hoses hot? Some possibilities, thermostat-- heater core needs to be flushed-- directional door/actuator under the dash isn't working like it should?

Temp in normal may look into new thermostat directional seem to work fine..

There could be a blend door, that controls temp. When I said direction, that was misleading. I didn't mean floor--defrost or dash, my fault.

also check to see if both heater hoses are hot ging in and out