Changing off grid house to grid and HVAC
My friend built a house for off grid living, but after his first summer in it, has run electricity to it with plans for A/C. He is in zone 4a near Nashville. His construction assemblies are not ideal with lots of air gaps and is on piers with no skirting. Currently, he DOES NOT have most of it sided, and very little interior wall covering. So what is seen on most of the exterior is the cheap tarp style woven housewrap and on the interior, the kraft facing of his R-19 bats (Wall and Ceiling). His ceiling is cathedral with the R-19 Bats and there is no planned gap or baffles between the R19 and roof decking, but there appears to be a little bit o gap naturally because of the R-19 in the 2×8 cavities. I told him that he will certainly regret it if hew just marches forward and covers what he has up.
PS. his county has no building codes, so solutions just need to work and will not be inspected.
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