We have not run our central A/C for 2 or 3 years . In addition to the 2 MS's , there is a window shaker in the kitchen and the spare / guest bedroom . These window shakers get lesser use .
My computer room gets used more & also has a window shaker .
When it gets cold enough to need it , the gas furnace is turned on . So , it does get used part of the winter .
I have thought of replacing the rest of the window shakers with MS's . But they are still working ( and paid for ) . May do so if MS's come down enough in price . MS's would save some energy dollars , but due to shorter run times , that cost savings would be less then with the current MS's .
This de-centralized set up allows for zoning the house , as needed .
No PV or wind contribution . 100% on the grid .
God bless
Wyr
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