I LIVE IN A 1996 16X80 MOBILE HOME WITH CENTRAL HEAT-
I HAVE THOROUGHLY CLEANED MY UNIT-BUT THIS IS THE 2ND TIME MY HEATING UNIT STARTED SMOKING AND MY WALLS WERE EXTREMELY HOT-WHEN THIS 1ST HAPPENED - I CLEANED EVERYTHING--5 DAYS LATER- (LAST NIGHT) IT DID IT AGAIN-AND THE SMOKE ALARM WENT OFF...