(At least in my part of America, HVAC equipment failures under season-maximum loads are extremely common. And if failure = death...)
And maybe keep kinda quiet about it, too. If your nice & friendly neighbors are facing death by heat stroke, they could grow considerably less nice & friendly.
We have solar and a battery and I think about this sometimes. Air conditioners are very noisy and solar panels are on display for anyone to see. People know. It's not an actual, safe off-grid solution during a major event when you're in the middle of suburbia.
(At least in my part of America, HVAC equipment failures under season-maximum loads are extremely common. And if failure = death...)
And maybe keep kinda quiet about it, too. If your nice & friendly neighbors are facing death by heat stroke, they could grow considerably less nice & friendly.