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Old 01-03-2017, 09:21 AM   #25 (permalink)
Hugh Cow
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Quote:
Originally Posted by Norton View Post
Hard to tell but the room he intends to install the air con is about 15m2. As he says 3.5kw more than needed.

Agree a small unit for bedroom best if he wants it cooled.
Be careful when oversizing. The larger compressor which uses most of the power will be more expensive to run. Also units use most of their power consumption In the early stages of start up and less towards the end of the run cycle. You can end up using more power with a larger unit constantly cycling on and off compared to a unit that runs much longer. Longer run cycles are better for compressor longevity as most stress is caused at start up. The best power saver is to keep the direct sun off the walls and ventilate the roof space and insulate the ceiling. The Aircon can also be a good source of free water especially in humid conditions.
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