What size home generator do I need?

A properly sized home generator calculated with an NEC-compliant load calc, reserve margin, and voltage dip saves money, boosts efficiency, and ensures reliable performance without costly oversizing.

How Perfect Star closes more deals and creates customer trust

Discover how Perfect Star scaled from HVAC leader to electrification powerhouse, using Kopperfield to close more deals with faster calcs, cleaner docs, and customer trust.

How to complete lighting load calculations (NEC 2017 and 2020 Table 220.12)

Lighting loads can get complicated fast. We break down how to handle lighting load calculations for both residential and commercial projects with confidence.