Title 24 · California energy code

California Title 24.

Source-direct aluminum windows and doors specified into California Title 24 projects. NFRC certified across the line. US Energy Star registered on the bifold (FXC-M-3). AAMA 2605 PVDF finish for long-term coastal and inland UV exposure. Cert IDs disclosed on every quote for compliance documentation.

Cert posture

  • NFRC certified

    Casement, tilt-turn, fixed-picture, awning, arc-top, sliding, bifold, entry, swing, single-hung, double-hung carry NFRC ratings. Whole-unit U-factor and SHGC reported.

  • US Energy Star (bifold)

    Cert ID: FXC-M-3

    Bifold doors registered with US EPA Energy Star for the current cycle (valid through 2029-07-20). Climate zone eligibility per CA Energy Commission tables.

  • AAMA 2605 PVDF finish

    20-year coating warranty. Long-term color hold through Central Valley and coastal-zone UV exposure.

  • STC 56 acoustic

    Specifiable on configurations where Title 24 Acoustical Standards apply (mixed-use, hospitality, multifamily).


Product anchors


Why Crateworks

  • NFRC ratings reported per CEC methodology. Cert PDFs ship with the project submittal so the energy consultant runs the compliance calc without a back-and-forth.
  • Source-direct on a cert-equivalent aluminum spec. No dealer margin on the line item. Tariff cost itemized on the quote.
  • Pricing locked from purchase order through delivery in writing. Holds through long CA build cycles where dealer-supplied product can re-price mid-project.
  • Energy Star bifold FXC-M-3 carries through CA Energy Commission tables for the climate zones where Energy Star eligibility is the spec driver.

Common questions

Are Crateworks windows Title 24 compliant?
Yes on the certified configurations. NFRC ratings (U-factor, SHGC, VT) are reported per California Energy Commission methodology. The energy consultant uses the NFRC ratings to run the project Title 24 calculation; cert PDFs ship with the project submittal.
Which configurations carry NFRC certification?
Casement, tilt-turn, fixed-picture, awning, arc-top, sliding, bifold, entry, swing, single-hung, double-hung. Cert IDs are disclosed on every quote.
What about California Title 24 acoustic requirements?
STC 56 acoustic configurations are available on the window line, measured per ASTM E90. Specify acoustic at quote where mixed-use, hospitality, or multifamily acoustic requirements apply.
Do you ship to California?
Yes. Source-direct shipping to California. Cross-border tariff and import duty are itemized on the quote, not embedded in dealer margin.

Bigger project? Book a call.

Larger projects route to concierge. We coordinate the spec across categories so the schedule lands as one quote.