> Actually, a really inventive person
> could build an engine-powered A/C unit from
> 'parts'. A small engine driving an old 'open'
> refrigeration compressor would do
> the job nicely; the biggest problem would
> probably be finding the refrigerant.
> (many of those older units used R-12, and
> they don't make that stuff anymore;
But they make some almost affordable substitutes.
You have to have some kind of gov'ment certificate
to use it, but it is supposed to be easy to get
certified.  See www.aircondition.com for more info.
> Years ago, natural gas was VERY
> inexpensive in the oil-producing areas in Texas
> and gas-powered A/C units were common for
> commercial applications and large
> estates. They used little 4-cylinder
> engines to drive the compressors.
For stationary natural gas engines, does the gas have to be
compressed before feeding to the engine, or can it just
go from pipe to carbeurator?
--- PCBoard (R) v15.3/M 2
---------------