I recently purchased a home in Maricopa AZ. With that said, I'd like for it to be most efficient. It has a forced air system for heat and cooling. I don't know the size of the cooling unit. How does one figure out the number of panels needed to properly supply enough current to operate devices properly.

closed as too broad by user558, Niall C., ChrisF Sep 16 '13 at 20:22

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    This would take a LOT to answer. I would try to find a book on the subject, and there are surely many such books on the market. – user558 Sep 13 '13 at 12:17
  • Just because it is a hard question doesn't mean it is bad - but we need a lot more info in the question. – DMoore Sep 13 '13 at 16:36
  1. Calculate the required load for your house. Call that L
  2. Identify the rated power one panel generates. Call that P
  3. L/P = Q - quantity of panels needed.
  • You may need to add a few panels, even in AZ you will not get full power 24/7/365. – RedGrittyBrick Sep 13 '13 at 12:51
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    Rated power on a lot of newer solar panels are now rated at an average WattHour per day and have a scale for regions, not just max Wattage. But this does still only calculate the bare minimum and doesn't take loss in line voltage, storage capabilities, nor inverting. – Jason Sep 13 '13 at 13:55

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