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In most parts of California you don't need active cooling at night. Just open all the windows at dusk and let the cool air blow in.

And then well insulated buildings will stay comfortable a good portion of the day too. Even during Sacramento 100+ heat wave I was amazed how cool a modern home can stay without A/C



Works well unless you are a renter (as many in CA are) and do not have screens on your windows thanks to the “landlord’s special” effect.


Screens should come with the rental, but adjustable window screens are easy to come by if this is a problem you have.


Where are these well insulated California homes? Coming from somewhere with real winter, I am aghast at the insulation standards here.




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