Let the grilles dry completely.
Vacuum air conditioner vents.
Dryer vent cleaner kit vacuum attachment and dryer vent brush.
Then go to the thermostat and turn on the fan only and let the vacuum run for a few minutes.
After you ve sprayed all of your vents start your car s engine.
I only do this for the vents where the air blows out.
4 3 out of 5 stars 284.
After about ten minutes turn your a c off open all the car doors and let the fan blow for another five minutes.
Use your brush to clean the grates thoroughly.
Unscrew the air duct covers or grilles from the walls.
Start the engine and set the air conditioner to max.
Free shipping by amazon.
Use a high powered vacuum my tool of choice is a shop vac to vacuum just inside the ducts removing any dust or debris.
17 25 17 count get it as soon as fri sep 25.
Unscrew air conditioner vent grilles and give them a good thorough cleaning using warm soapy water and a soft bristled brush.
Vacuum the ducts as much as possible.
That does a great job and you can do it with or without the brush.
Then stick the flexible tubing of your vacuum cleaner down a bit into the vent and turn on the vacuum.
Turn off the power connected to the heating and air conditioning system.
Set both the air conditioner and fan blower to max.
If they re very dusty and grimy you may want to use soap and water to make them gleam.
Consider renting a heavy duty vacuum for this.
Mini duster for car air vent set of 3 automotive air conditioner cleaner and brush dust collector cleaning cloth tool for keyboard window leaves blinds shutter glasses fan 4 0 out of 5 stars 46 7 99 7.