There are a couple things you can try...
1. Check the furnace filter. If it's dirty, replace it.
2. Make sure your return air registers are not blocked.
Compressor not operating.
If air isn't blowing out of your vents, it could be due to several issues. Common causes include a blown fuse, a malfunctioning blower motor, or a clogged air filter that restricts airflow. Additionally, there may be a problem with the ductwork or a thermostat malfunction. Checking these components can help identify the issue and restore proper airflow.
The air is probably too cold causing condensation at the vents. try increasing the air flow which will warm it a few degrees.
Most certainly
It could be a bad heater core, or a faulty air intake, but i don't know all that much about vehicles, but I've experienced this and it was a faulty air intake.
The blend door actuator may not be working.
The air of your Chevy trailblazer 2004 blow out of the front vents when the air conditioner is on because the air condition is faulty and it needs repair.
The HTR RR switch in a Kia Sedona determines which air vents the air is blown through from the rear heating. When it is pushed in, the lower vents blow hot air, and when it is not pushed, the roof vents blow cold air.
If the air vents of the Chevy trailblazer 2004 are not blowing air, have the fuel pump checked.
Possible blockage in the rear air units expansion valve. I just replaced mine for the same reason.
If your air and heating vents are blowing from the ceiling, your ceiling fan should blow air downward to help circulate the air in the room. This can help distribute the heated or cooled air more efficiently and create a more comfortable environment.
air want blow out vents
Your front blower motor has gone out. There is a front and a rear blower motor.
So it has something to heat and blow back out, thus, heating your home. The stuff coming out of your vents has to come from somewhere..
To improve airflow in your home using floor vents with fans, place the fans near the floor vents to help circulate air more effectively throughout the room. This can help distribute cool or warm air more evenly and improve overall air circulation in your home.
Moisture in the air condensing into mist.
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