Top-Rated Window Replacement Companies in Sunnyvale, CA
We don't have license data for window and glazing businesses in Sunnyvale, CA the way we do for some other cities on this site. This page leans on Google Maps instead: 8 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
What Sunnyvale's climate means for your window spec
Weather at that level is one more reason the flashing and sill pan under a Sunnyvale window matter as much as the glass sitting in it.
So ask any Sunnyvale contractor how they handle both, not just which brand they carry.
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 1.8 mi away.
8 top-rated window replacement companies in and near Sunnyvale
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 | Santa Clara Glass Inc. | 400 | Window installation service | Santa Clara 95054 | Google reviews | |
| 2 | GV Home Solutions | 71 | Window installation service | Mountain View 94043 | Google reviews | |
| 3 | Console Home Improvements | 72 | Window installation service | Mountain View 94043 | Google reviews | |
| 4 | AK Windows Inc. | 36 | Window installation service | Cupertino 95014 | Google reviews | |
| 5 | AMC Glass Company, Inc. | 34 | Window installation service | Sunnyvale 94087 | Google reviews | |
| 6 | Able Glass | 63 | Window installation service | Santa Clara 95054 | Google reviews | |
| 7 | Ed's Glass & Screens | 9 | Window installation service | Santa Clara 95051 | Google reviews | |
| 8 | Argonaut Window & Door, Inc. | 36 | Window supplier | Cupertino 95014 | 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?