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Old 11-02-2022, 06:05 PM   #1
John Mercier
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Default Mini Splits

Since mini splits pump BTUs... would a passive solar shed increase the efficiency in the winter?

I wonder because at least one of our exterior compressors at the store are on the south facing side of the building under the porch overhang.

I could enclose it to prevent heat loss, and use a collector to the south facing side.
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Old 11-02-2022, 06:12 PM   #2
ITD
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I think the volume would be too small to be useful compared to the amount of heat the outside unit would need to remove from the air. IOW, the shed would end up colder than the ambient outside air rather quickly and it would become less efficient than just being outside.

I like the way you are thinking though.
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Old 11-03-2022, 07:06 AM   #3
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That makes sense.
Even if I was able to superheat the air for a short period of time, without the natural convection of the ambient... I think we would be short BTUs and lose efficiency.

The economy isn't slowing down... so I'm just looking for any efficiency projects that we can get done.
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