Cohousing-L Mailing List: Re: Passive House - energy efficiency

[Fred H Olson (fholson]

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

--
Fred H. Olson  Minneapolis,MN 55411  USA        (near north Mpls)
     Email:        fholson at cohousing.org      612-588-9532
My Link Pg: http://fholson.cohousing.org         My org:
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