Google's Top-Rated Window Pros Near Windsor, CA
We don't have license data for window and glazing businesses in Windsor, CA the way we do for some other cities on this site. This page leans on Google Maps instead: 6 businesses, ranked by rating weighted against how many people reviewed them. A strong Google rating still isn't the same thing as a license on file, so ask to see one before you sign anything.
Google Maps ratings checked · How we rank
3CIECC climate zone · ENERGY STAR South-Central zone
Climate and energy performance in Windsor
IECC rates Windsor's climate zone as 3C, the starting point for any code-minimum window performance here.
ENERGY STAR places Sonoma County in its South-Central zone for window certification.
Normal temperatures run 48°F in January and 68°F in July, so the glass package worth paying for in Windsor isn't the same one that pencils out two zones over.
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 2.6 mi away.
Google's top window installers serving Windsor, CA
Ranked by Google rating weighted against how many people left one, so a perfect score from a handful of reviewers never outranks a strong average built on hundreds. That ranking is not a license check; call the state directly and ask for the contractor's license or registration number.
| Rank | Business | Google rating | Reviews | Category | Area | Google Maps listing |
|---|---|---|---|---|---|---|
| 1 | Nor-Cal Maintenance Services | Gutter & Exterior Services in Windsor, CA | 83 | Window installation service | Windsor 95492 | Google reviews | |
| 2 | Kal & Son Auto Glass | 155 | Window installation service | Santa Rosa 95403 | Google reviews | |
| 3 | Northwest Exteriors | 35 | Window installation service | Santa Rosa 95403 | Google reviews | |
| 4 | InVision Sash and Glass | 9 | Window installation service | Santa Rosa 95403 | Google reviews | |
| 5 | Golden State Lumber + Showroom | 3 | Window supplier | Santa Rosa 95403 | Google reviews | |
| 6 | Santa Rosa Windows & Glass | 41 | Window supplier | Santa Rosa 95403 | Google reviews |
Questions to ask before you sign
- How long have you held your state license, and can I see the number?
- Is this a full-frame replacement or an insert into my existing frame, and why that one?
- Who pulls the permit, and does this change trigger an egress check on a bedroom window?
- What flashing and sill pan will you use, and in what order do you install them?
- If my home was built before 1978, is your crew lead-safe certified for this job?
- What's the completion date in writing, and what happens if the schedule slips?