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re: heat loss through single pane of glass?
19 jun 1998
garry w wrote:
>>around 40 semi-detached houses without central heating but with
>>insulation five times more efficient than usual will be built in
>>1999 in the swedish cities of gothenburg and malmo...
>what are they going to do for oxygen?
an air-air heat exchanger, i suppose. might be 90% efficient at 5 cfm,
using an additional 5 or 10 watts per occupant to heat incoming air.
>(*can* you run out of oxygen? i've wondered on times when i've slept
>overnight in my vehicle...)
they might use an oxygen depletion sensor in parallel with
a humidistat to open the heat exchanger, which might be a
double-walled fireplace chimney with house air leaving up
the middle and outdoor air falling into the pipe around it.
nick
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