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Old 01-22-23, 02:44 PM   #1
Helper EcoRenovator
Join Date: May 2011
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Default New home build with two GSHPs

hello all. It has been a while. We are in the planning stages of our new home build now.
You may recall I helped my brother with his system.

The new house is 2 stories over an unfinished ICF basement. It will have a dedicated equipment room in the basement for all my fiddly infrastructure pleasure.
The proposed plan is 6 tons of loops in a 4 or 6 pass trench layout, manifolded in the basement.
Primary heating will be a 3 ton hydronic unit.
the second unit is a 3 ton HVAC for supplemental heat and summer cooling.

The house has 1700 SF down and 1000 SF up, and about 2200 SF of hydronic heated floor area.
The basement will not get floor heating, due to the unfinished nature of it. I will give it air heating as needed to keep it a conditioned space, but being ICF it will be fully insulated from the start.
I will rough in some plumbing down there. It would not do to put a bunch of loops in the slab, only to have to cut them when cutting in plumbing in the future or for future owners, so the heated slab is not a happening thing.

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