What contractors and residential test teams need to document as R-454B and R-32 systems enter service.

A field guide to v1.3 (Rev05) compliance on Midstate projects for code officials, developers, and GC teams.

What HECS documents during 2026 residential ventilation testing — and why code-minimum homes still fail.

The federal prescriptive baseline shifts; here’s what documentation the code official will actually ask for.

What builders need to verify before the next storm season in Louisville, Lexington, and Cincinnati.

Acquisition-date pressure on the §45L energy-efficient home credit, and the verification steps that keep builders eligible.

Residential compliance, leak testing, and certification changes affecting Kentucky installers.

The §45L credit is real money — but the certification window closes mid-2026, and retroactive documentation does not fly.

Field findings from HECS residential ventilation compliance work across Kentucky and southern Indiana, 2024-2026.

Kentucky has no statewide energy code, but a builder cannot ignore federal pressure. The DOE final rule for multifamily buildings (effective 2026) effec…