Efficient room A/C info request [RE-wrenches]

[Kurt Albershardt]

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--On Thursday, October 30, 2003 10:29 PM -0700 Allan Sindelar <allan at positiveenergysolar.com> wrote:
>
>> Split system A/C are much more efficient than window units.  Some were
>> available in 3-4,000 BTU/H sizes last time I looked.
>
> What's a "split system A/C"?


One where the condenser and evaporator are in separate enclosures, with refrigerant lines (R-134 or similar) linking the two.  Window units suffer from several inherent weaknesses--the hot parts and cold parts are too close together, and there's the gaping thermal hole created by the window and the separation of the two sides of the A/C.  Split systems allow you to poke a 2-3" well-caulked hole into an otherwise sealed room and move the heat out.  Very popular for small computer rooms stateside--and de rigeur in Europe and the orient.  <http://www.sanyo.com/industrial/heat_air/air/> for example.

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