Resources

GenSize resources

Calculator, sizing guide, inverter class comparison, and reference pages for US running/surge watt estimates.

Running + surge → class.

Guides

Formula, outdoor/CO/backfeed safety, and sources.

Reference

Class ceilings with verified VEVOR US examples.

Reference

Sample watt checks and NO_MATCH cases.

Tools

Start with the interactive tool on the homepage.

Guides

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