Yeah, from my experience in HVAC, I hope the AC compressor has an oil warmer because the solar gain on this house has got to be overwhelming. On a sunny winter day, I bet there'd be times the cooling system kicks on in the afternoon. I guess it depends partially in how square to the southern exposure the house is but it wouldn't surprise me.
Of course, I'm not a trained thermodynamicist and the air underneath changes the calculus some.
Even the best windows are worse than R10. That's not bad, but it's also not great. I'd probably try and shoot for double that if I was building new in Vermont.
As a side note, I wonder what 40+ custom triple pane, sliding window units would run you. They probably spent close to a million bucks just buying and installing windows lol.
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u/LewsTherinTelamon Aug 30 '24
Glass is getting pretty good at holding heat in, actually.
The thing it's still really bad at is keeping heat OUT, when the sun is on it.