This is in place as an added layer of protection against water damage.
Attic furnace condensation.
Save money on your new air conditioner or furnace.
In the attic i always recommend a float switch installed in the secondary air conditioning condensation drain pan.
So here is my question.
For furnaces in the attic there is a second condensate drain pan.
That will force the homeowner to look for a problem or call an hvac technician.
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.
So why put an hvac system up in the attic at all.
Attic hvac systems save space.
Well mainly it s a way to save space.
While i suggested they may have been not able to perform due to extreme cold conditions we then got onto him going back to 80 furnaces which i do not want to encourage.
Condensate line in attic furnaces.
You might not receive the same air movement benefits if the unit is in a garage either.
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.
If the secondary condensation pan fills the float switch will rise and cut the whole air conditioning unit off.
That moisture can freeze if it receives exposure to.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
A furnace in the attic is a design that works for all homes.