If your hvac unit smells like it might be overheating it very well could be.
Air conditioning smells like attic.
I recently when up there and taped up all the joints nipples and boots so minimize cold air blowing into the attic or being sucked from the attic.
Ducts in attics maybe accumulating condensation during the winter when the attic is cold.
Also known as bacterial growth mold and mildew will circulate through your indoor air once it has settled in your air conditioner.
Other contaminants in your hvac system will do the same if left unattended.
They carry air to your living spaces.
Must mildew and mold.
Here is useful information on the smells that may be coming from your air conditioning vents.
If you are experiencing an electrical burning odor or gas smell turn off the unit and call your hvac technician right away.
The homeowner s guide to the 7 causes of bad ac smells.
Here are 5 common hvac odors and what they indicate.
If there is excess humidity or moisture in the hvac system you could end up with mold and mildew flowing through the ductwork.
Since then the a c has smelled like the attic though we notice nothing from the heat in the winter.
If wet for more than a couple days mold grows generating a musty odor.
Mold and mildew growth is the most common cause of bad smells in your ac system.
However some smells like rotten eggs or gas are more serious.