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Dwelling Service Load Calculator

Residential service size by NEC 220.82: general load with demand plus larger HVAC. 5 inputs, 4 outputs with grouped results.

Inputs

Dwelling

Finished living area.

Nameplate total: range, dryer, water heater, etc.

HVAC and service

Nameplate A/C load.

Nameplate heating load.

Single-phase dwelling service.

Result

General load (VA)
Waiting for calculation.
Service load (VA)
Waiting for calculation.
Service current
Waiting for calculation.
Standard service size
Waiting for calculation.
Screening calculation only. Verify against NEC articles cited on the page and the equipment nameplate; the authority having jurisdiction governs.

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Workspace

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