Furnace sizing for new SIP home...........
Last Post 10 Nov 2023 01:36 AM by mjstef. 0 Replies.
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10 Nov 2023 01:36 AM
OK folks, give me some feedback on this. Building a house for my folks who are retired. Far northern Wisconsin. SIP panel house, 2" of spray foam on basement walls, Foamed rim joist, 2" of foam on the backside of the ceiling sheetrock, and 14" of cellulose on top of that. Low-E double pane windows. I'm getting two trains of thought here. One is to put in a 40,000 BTU 2 speed furnace 96 AFUE but i have a few people telling me i should put a 60,000 2 speed BTU in. My biggest fear is the 60,000 short cycling being the heat loss has been calculated out at 33,309 BTU. Here is the REScheck .
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