White Dust From Air Vents

Sealed ducts prevent dust.

White dust from air vents.

Joined jan 6 2014 2 posts. My guess is that the problem is not dust coming through the ducts but coming in from around the ductwork and pulling dust into your living spaces from the attic. White powder white dust in air vents. We just moved into a new home and the air vents blow dust when the ac is on.

The dust can also be found in the air conditioning vents tucked up against the windshield and on the front of the passenger window trim. Discussion starter 1 jan 6 2014. New home is very dusty inside. For most people the white dust is nothing to be concerned about.

The evaporator is made of tubes covered with aluminum fins. Hey folks i tried searching the forum for any previous posts on the this topic. White dust is usually caused by mineral content in the water that goes into a humidifier. The dust normally has a grit to it rather than normal dust you d find around the house.

Multiple toyota and lexus models suffer from a buildup of white dust on the dash. However it could be problematic for some people. Jump to latest follow 1 7 of 7 posts. Seal the gaps around the ductwork where it vents into the room and you should notice a big difference in your dust levels.

This dust is being made in your car. I live in a new suburb where home building and construction is still going on all around us. It is not coming from outside the car or the cabin air filter would stop it. Cause the cause is surface oxidation of the evaporator in the heating and air.

New home has excessive dust coming through air vents what to check. Your a c evaporator is the source of this white powder. Now the white dust could be aluminum oxide or aluminum rust as the fins break down.