Vacaville, CA: Climate Zone, Risk and Window Requirements

Local risk and climate data for Vacaville, CA are below, translated into plain terms for a window buyer rather than left as raw codes. Use it to check a proposed spec before you sign, not just to browse.

Licenses checked September 30, 2026 · California Contractors State License Board

3BIECC climate zone · ENERGY STAR South-Central zone

What zone 3B means for a Vacaville window

Moisture and glass performance are handled by different parts of a window's spec sheet, and a Vacaville buyer benefits from checking both instead of assuming one implies the other.

Data: U.S. EPA / DOE, ENERGY STAR, ENERGY STAR Version 7.0 Climate Zones by County/ZIP (Windows, Doors, and Skylights) (V7.0); Pacific Northwest National Laboratory (DOE Building America), Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) (2021 IECC), from the nearest NOAA station 1.4 mi away.

Storm and weather risk around Vacaville

Neither rating changes a window's energy label, but both are exactly what impact-resistance and design-pressure ratings are built to answer for a Vacaville home.

Ask specifically about design pressure and impact rating for Vacaville, not just energy performance, if either risk rating comes back on the high side.

Strong wind: Relatively Low
Winter weather: Very Low

Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).

Guides to finish before Vacaville window bids come in

How to Read an NFRC Window Label Four numbers on one sticker decide most of a window's real-world performance. Here's what each one means.
ENERGY STAR Window Criteria by Climate Zone ENERGY STAR splits the country into four zones, each with its own numbers. Here they are, and why the Northern zone works backward from the other three.
Impact Windows vs. Shutters in Florida's Hurricane Zones Florida gives homeowners two paths to a protected opening. Here's how each one is tested, and where the HVHZ raises the bar further.

Window installers with the longest license records in Vacaville

Oldest license first, newest last, pulled directly from the state's file. This list isn't for sale.

Better Homes ConstructionWindow and glass contractor · licensed 31 years · 95688Verify license
Golden Hills GlassWindow and glass contractor · licensed 22 years · 95687Verify license
Bella Window SystemsWindow and glass contractor · licensed 21 years · 95688Verify license
Cam Construction And PaintingWindow and glass contractor · licensed 15 years · 95688Verify license
Senesac Window And Door ServicesWindow and glass contractor · licensed 14 years · 95688Verify license
Vacaville Glass CompanyWindow and glass contractor · licensed 14 years · 95687Verify license
Fitzperfect Windows - Doors And More INCWindow and glass contractor · licensed 13 years · 95688Verify license
A & J BlindsWindow and glass contractor · licensed 12 years · 95696Verify license
B&R Glass INCWindow and glass contractor · licensed 3 years · 95688Verify license
A Glass & Mirror Company CorpWindow and glass contractor · licensed 1 year · 95688Verify license

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