[BNM] aircon units fitting

[Richard Grimwood]

Simon Early wrote:
> Presumably if it is trying to exhaust hot air it would be more
> efficient/better if it was doing it somewhere cool?

All other things being equal if you have an outside wall where ambient 
air temp is always lower then mount it there. It will save you money in 
the long run. For most people though I think the length of pipe run, 
noise and condensate management are primary factors when choosing location.