You probably mean hours and not days. A Powerwall can store about 14 kWh. Your central AC probably draws about 2 kW. You can run your central AC for about 7 hours on 1 Powerwall. In the summer, we use about 40 kWh per day for the whole house. If you are referring to a small window unit AC then that is different.
Quote:
Originally Posted by Retiring
Generators can be a real touchy subject in a neighborhood. At my WA home the HOA requires one to get permission from his neighbor. I gave my neighbor permission, to be neighborly, but when the unit (natural gas) runs for its weekly test cycle I can hear it from in my home. AND that exterior wall is framed with 2x10s. The HOA recognizes the noise intrusion as our homes are only 50 ft apart. In TV the houses are even closer to each other.
I prefer to go with 2 Tesla Powerwalls. They are installed inside the garage and can run your air conditioning for at least 7 days, or so I'm told.
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