You gotta run a dozen fans so every room feels cool. Bathrooms, hallways, kitchen, etc. My central air unit is ~5kW and runs about 33% of the time when it's around 100, so it uses ~1.7 kWh per hour. With a dozen fans running they'd all have to be under 140W each just to break even with the A/C and they won't dehumidify.
Otherwise crack a window or go sit outside to together as a family on covered rear patio and run a large fan.
You don't crack a window when it's 105°F outside, much less go out on the patio, unless you want to have a heat stroke.
Modern homes are not constructed with passive ventilation from the outside in mind
I do not want passive ventilation when it's 105° and 70% humidity outside. I want to battle the elements with all the power I can muster.
They're all kind of designed to be air conditioned all the time and humidity quickly becomes a mold problem
A/C reduces humidity. Mold can't grow if humidity is less than ~50%. You can't run A/C for any length of time and have humidity that high unless your house leaks like a sieve.
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