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What size generator for a ~800 sq ft home?

A typical apartment running the appliances below during an outage needs a generator covering both the running load and the largest single motor surge.

Typical must-run appliances

Total running
1,830 W
Peak (with surge)
3,330 W

Generators that fit this load

3,000 W run · 3,500 W start · Inverter · Gasoline
57 dBA · ~11 h at 25% load
3,100 W run · 3,400 W start · Inverter · Dual fuel (gas + propane)
59 dBA · up to ~7.5 h on gasoline at 25% load
Best budget buy
3,500 W run · 4,375 W start · Open frame · Gasoline
68 dBA · ~12 h at 50% load
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