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Northern Diver · 05-21-13, 03:29 AM

Jeff5may,
Ah, yes, on closer inspection of the data sheet I found http://www.valinta.lt/ka/Samsung/Kon...00421421_2.pdf It seems this unit has two compressors.

This brings up the idea of using a two or three compressor unit to improve efficiency.

Two of these 12000 BTU units could be operated together in the winter and only one in the summer. A suitable control system, Arduino based would be my choice, could alternate the running compressor when only one is needed.

Overall I think this would be more efficient than running a single large compressor, especially if the control system has a bit of intelligence, only kicking in the second compressor if the temperature differential between target and actual is large.

05-21-13, 03:29 AM	#1502
Northern Diver Lurking Renovator Join Date: May 2013 Location: Shetland Posts: 10 Thanks: 0 Thanked 0 Times in 0 Posts	Jeff5may, Ah, yes, on closer inspection of the data sheet I found http://www.valinta.lt/ka/Samsung/Kon...00421421_2.pdf It seems this unit has two compressors. This brings up the idea of using a two or three compressor unit to improve efficiency. Two of these 12000 BTU units could be operated together in the winter and only one in the summer. A suitable control system, Arduino based would be my choice, could alternate the running compressor when only one is needed. Overall I think this would be more efficient than running a single large compressor, especially if the control system has a bit of intelligence, only kicking in the second compressor if the temperature differential between target and actual is large.