Title 24 reference libraries
Cross-linked catalogs that decode California's 2025 Energy Code into something you can browse. Built from the same data set the compliance engine uses to assemble your report — not a separate knowledge base that drifts.
Library 1
Diagrams
Wall sections, attic details, glazing layouts, and HVAC topologies — visual reference for what each construction actually looks like in the field.
Coming soonLibrary 2
Climate Zone Matrix
All 16 California climate zones side-by-side: envelope, HVAC, DHW, glazing, and PV baselines. Sortable, deep-linked to per-zone detail pages.
16 zones · 12 metricsLibrary 3
Title 24 Codebook
Browse Title 24 Part 6 by section — §150.1 prescriptive, §150.2 additions, §110.0 mandatory, and the rest, with cross-links to related tools.
Direct from the 2025 code
Browsing's free. Compliance reports are $200.
First preview comes with no payment.
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First preview comes with no payment.