Quote:
Originally Posted by RobertSmalls
Aha! An r-value (the correlation coefficient, not the insulation value) like that proves that Passivhaus wall thickness is in fact linear with annual HDD.
Looking at the third plot, I see I fall in with most of the rest of the EcoRenovators, around 6000HDD/yr. This suggests an insulation thickness of 14". Hmm, that's an awful lot.
AC_Hacker, you mentioned that you would do cellulose instead of foam if you could do it over again. Would you recommend cellulose over a CFC-free (e.g. CO2) blown foam as well?
Hah... I've been there.
Viceroy have sent me a pricelist and specification sheet for their houses... they also mentioned that their houses are well sealed, and many customers install a ventilation heat recovery system. I like everything I've seen about them so far, except the fact that new construction is a fair bit more expensive than buying used. But the opportunity to get the house I want, in the right location, sited correctly, is pretty compelling.
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Just putting this out there:
You seem to be looking for something particular.
You give the word and I'll be there in 3 days with a 16 man framing crew to do your job for less than what you are looking at. And it will be done right.
PM me if you want.