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Attic furnace condensation.
So here is my question.
For furnaces in the attic there is a second condensate drain pan.
In the attic i always recommend a float switch installed in the secondary air conditioning condensation drain pan.
That moisture can freeze if it receives exposure to.
That will force the homeowner to look for a problem or call an hvac technician.
So why put an hvac system up in the attic at all.
I am a hers rater and one of my builders said he received callbacks 15 homeowners on completed homes with 95 furnaces in unconditioned cold attics this past week.
A furnace in the attic is a design that works for all homes.
If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure.
You might not receive the same air movement benefits if the unit is in a garage either.
This is in place as an added layer of protection against water damage.
Condensate line in attic furnaces.
Well mainly it s a way to save space.
Because entire central air system is lying on its side in the event of condensate drain pan failure water does not drip in one general location.
If the secondary condensation pan fills the float switch will rise and cut the whole air conditioning unit off.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
However an attic in pensacola florida is likely to have a humidity level closer to 100 and the risk of condensation on ductwork would then go up quite a bit.