Have HVAC Questions? Ask an HVAC Expert for Answers
The company charges extra for phone calls, that is optional, or we can continue here if you do not accept the phone call offer. Meantime I will do some research on your Air Temp unit.
Meantime tell me how long your combustion air intake and plastic exhaust vents are, and how many 90 degree elbows are in them.
We can go from there.