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As a Midwesterner, it is absolutely bonkers to me how common it appears to be for HVAC systems to get installed in attics.
Don't do that. Stop doing that! WTF?
That's bad enough, but then you go and run the ducts up there, too?
Y'all.
If you keep the system and the ducts within the space you're trying to heat and cool, you don't have to account for any losses, now, do ya?
Put the air handler in a utility closet. Run ducts /below/ the ceiling. Enclose with soffiting if you must.
The end.
This is a test rant for a future video that may or may not happen.
But seriously, I cannot fathom how HVAC stuff in attics (or crawlspaces!) got normalized. Especially in new construction.
You virtually never see that around here (the most common application is old homes with radiators for heat who want to add central air) and for good reason!
@TechConnectify I think it’s a thing for homes with no basement. I’ve seen it for homes in Texas.
@jterhorst Still, though, it's entirely weird!
The *only* benefit is that you gain a bit of floor or storage space.
Personally, I think eliminating the loss of a damaged ceiling from a plugged condensate drain is worth some floor space.
Then, keep the bloody ductwork out of the bloody attic. Drop the ceiling down a foot along the perimeter and put the ducts there.
@TechConnectify @jterhorst I think the bigger reason is at places where the housing stock is older and the density+cost would prevent rebuilding with more space.