Re: Passive House - energy efficiency
From: Fred H Olson (
Date: Tue, 23 Aug 2011 14:22:06 -0700 (PDT)
Norman Gauss wrote:

>How do these tight thermal envelopes solve the problem of indoor air
>quality?  Unless some fresh air is exchanged for stale indoor air, indoor
>air quality is likely to become very unhealthful.

Mechanical ventilation with a heat exchanger and possibly with
humidity control is required.


Fred H. Olson  Minneapolis,MN 55411  USA        (near north Mpls)
     Email:        fholson at      612-588-9532
My Link Pg:         My org:
Communications for Justice -- Free, superior listserv's w/o ads

Results generated by Tiger Technologies Web hosting using MHonArc.