Generator & Gas Sizer — Generator Genius

Generator Load & Gas Line / BTU Calculator

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General Loads
NEC 220.12: General lighting & receptacles = 3 VA × sq ft. Kitchen circuits, appliance loads, and motor loads listed separately per NEC 220.52 / 220.83.
Kitchen & Appliance Loads
LMMLoad QtyVA EachTotal VA
Motor Loads & HVAC
LMMLoad QtyVA EachTotal VA
Additional / Custom Loads
LMMDescription QtyVA EachTotal VA
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Auto-Synced from Electrical Tab
Generator kW and gas-fueled appliances are pre-populated from the electrical load calc. Adjust any value below to fine-tune for this home.
Generator Size — Auto from Elec Calc
kW
Based on NEC 220.83 recommendation
Override:
System Pressure
⚡ 2 PSI System Active. Pipe capacities from IFGC Table 402.4(3). Required: 2 PSI-rated regulator at every appliance · High-pressure approved fittings · AHJ permit and inspection.
Pipe Run
Appliance Gas Loads
OnApplianceQtyBTU/hr ea.
985.333.2399 · GeneratorGenius.com NEC Art. 220.83 · IFGC Table 402.4(2/3) · Optional Standby Art. 702