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What size generator for a ~2,500 sq ft home?
A typical mid-size home 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
- Refrigerator700 W
- Chest Freezer500 W
- Gas Furnace Blower Fan800 W
- Sump Pump (1/2 HP)1,050 W
- Window AC (10,000 BTU)1,200 W
- Washing Machine (top-load)1,200 W
- Wi-Fi Router / Modem20 W
- LED Light Bulb10 W
- LED TV (50")100 W
- Box Fan100 W
- Desktop Computer300 W
Total running
5,980 W
Peak (with surge)
8,380 W
Generators that fit this load
★ Best overall for home backup
Westinghouse WGen9500~$1,100
9,500 W run · 12,500 W start · Open frame · Gasoline
74 dBA · up to ~12 h at 25% load