Dave Liquorice wrote:

Something bigger than 9,000BTU or around 3kW. B-) Might have to
start thing about a separate spur to provide it's power...

Common misconception I think - IIUC the power rating of the aircon
relates to how much heat it can *move*, not how much electrical power it
consumes.

Since these things simply move heat from one place to another, they can
appear to be more than 100% efficent. i.e. you will often find a 2kW air
con will consume say 800W of electrical power.

(this is why the heat pump versions can be quite economical when used
for heating in the winter - they are reclaiming more "free" heat from
outside than they consume doing it).


--
Cheers,

John.

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