I HAVE AN AMERICAN STANDARD HEAT PUMP/AIR CONDITIONER UNIT OUTSIDE MY MOBILE HOME. THE UNIT IS LESS THAN A YEAR OLD. LAST WEEK IT SMELLS ONLY WHEN THE A/C IS ON
WHEN HEAT IS ON IT DOES NOT SMELL UNLESS IT GOES IN DEFROST MODE AND JUST A FEW SECONDS THEN WHEN THE WARM AIR COMES THRU THE SMELL GOES AWAY. I HAD IT LOOKED AT AND NO ONE KNOWS WHY.
THANK YOU
I know what it smells like...a dead animal! It is not a burning smell because it happens only when Cool is on. I hope someone has a solution for this. We have changed both filters but that didn't work. And the smell comes through even when the filters are taken out.
Not sure what the smell...smells like. My guess is dirt or dust near the heating elements. These will cause a burning smell. Sometimes insects even get into the act..building webs.
You will have to clean that area out...sometimes a large blower or vac can dislodge the dust.
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