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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 we're adding a second story to our house and the architect needed a little convincing to bring the ductwork under the insulation. Then the HVAC sub contractor wouldn't do it and did it the way they always do.
In the end the GC built a larger space around the duct work but I had to fight for that. I will now have half of a conditioned Attic.
Building trades are so slow to change. And there is very little regard to long term energy efficiency unless code requires it.
Oh, I also had to overcome convincing against a heat pump water heater, builder was pushing to add gas or propane for a tankless.
Location DC area.
@mwbbrown There is so much skepticism of new things in these industries and it drives me up the wall.
I'm considering a video on this topic but it's been a long time in the script oven and I'm still not happy with it. That's a big part of why we're halfway through September and I haven't put a video out.