Panasonic has one in their whisper line
On Apr 7, 2009, at 10:54 AM, Ben Graham wrote:
> Does anyone know of domestically available point source heat exchange
> ventilator like the vent-axia from abroad?
> Those who give up freedom for safety, deserve neither.
> Benjamin Franklin
> Ben Graham
> Natural building/design services/workshops/consulting
> Integrating Culture and Nature
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