Los Gatos, CA's Highest-Rated Window Installers on Google

We don't have license data for window and glazing businesses in Los Gatos, CA the way we do for some other cities on this site. This page leans on Google Maps instead: 10 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 Los Gatos's climate means for your window spec

IECC rates Los Gatos's climate zone as 3C, the starting point for any code-minimum window performance here.

ENERGY STAR places Santa Clara County in its South-Central zone for window certification.

Normal temperatures run 49°F in January and 70°F in July, so the glass package worth paying for in Los Gatos 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 0.4 mi away.

10 top-rated window replacement companies in and near Los Gatos

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.

Top-rated window replacement contractors in and near Los Gatos, CA, with Google ratings
RankBusinessGoogle ratingReviewsCategoryAreaGoogle Maps listing
1American Window Specialist 4.9 out of 5 on Google95Window installation serviceCampbell 95008Google reviews
2Konrad Replacement Windows & Doors 4.9 out of 5 on Google41Window installation serviceSan Jose 95128Google reviews
3Super Glass 4.8 out of 5 on Google31Window installation serviceCampbell 95008Google reviews
4Almaden Window & Door 4.7 out of 5 on Google15Window supplierSan Jose 95123Google reviews
5Bay Area Glass and Windows 5.0 out of 5 on Google6Window installation serviceSan Jose 95124Google reviews
6J & M Windows and Glass 4.5 out of 5 on Google39Window supplierCampbell 95008Google reviews
7Bentson Windows and Doors 4.4 out of 5 on Google10Window supplierCampbell 95008Google reviews
8WindStar Windows & Doors 4.3 out of 5 on Google23Window installation serviceSan Jose 95124Google reviews
9A-Z Windows & Skylights 4.2 out of 5 on Google29Window supplierCampbell 95008Google reviews
10Murray Window & Door 4.1 out of 5 on Google13Window installation serviceCampbell 95008Google reviews

Questions to ask before you sign

  1. How long have you held your state license, and can I see the number?
  2. Is this a full-frame replacement or an insert into my existing frame, and why that one?
  3. Who pulls the permit, and does this change trigger an egress check on a bedroom window?
  4. What flashing and sill pan will you use, and in what order do you install them?
  5. If my home was built before 1978, is your crew lead-safe certified for this job?
  6. What's the completion date in writing, and what happens if the schedule slips?

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