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morbo
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join:2002-01-22
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morbo to aurgathor

Member

to aurgathor

Re: [HVAC] Move a/c unit & ductwork from attic to basement

I'm certain that is cheaper, but does it accomplish the same thing as these reports indicate moving everything to a conditioned space?

robbin
Mod
join:2000-09-21
Leander, TX

robbin

Mod

Another option would be to move the attic insulation to the roof using sprayed foam thereby making it conditioned space.

cowboyro
Premium Member
join:2000-10-11
CT

1 recommendation

cowboyro to morbo

Premium Member

to morbo
I can see the entire thing being in the $10k range depending on the layout and basement access.
The cost involved with moving everything will likely never be recovered. I would guesstimate your losses at no more than 4500BTU/h in the most unfavorable conditions, that's in the $0.05/h range with a decent A/C unit based on $0.15/kWh.
You do the math... moving the system for even $5k for saving less than $0.5/day.