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Best Window Replacement Companies in Los Gatos, CA

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  • Written by
    Max Peterson
  • Fact Checked
  • Updated

Replacement windows can protect your home from leaks and drafts, enhance its energy efficiency, and provide it with some extra charm. If your windows are getting old or showing signs of damage, it's likely time to replace them. Working with a professional window installer will help you get the best results and help you steer clear of costly mistakes from attempting to complete the job yourself.

Most Hands-Free Install
Renewal by Andersen logo
4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

  • Full-service installation
  • Large window selection
  • Nearly 30 years of experience

SAVE $375 OFF EACH WINDOW AND $775 OFF EACH DOOR*

Most Customizable
Power Home logo
4.3/5

Ratings are based on our detailed proprietary methodology and review standards.

  • Full-service remodeling
  • 96% satisfaction rate
  • More than 30 years of experience

Next-Day Appointments Available

Best Financing
DaBella logo
4/5

Ratings are based on our detailed proprietary methodology and review standards.

  • Knowledgeable sales representatives
  • American-made products
  • Great financing options

10 Best Window Replacement Companies in Los Gatos

Brands are algorithmically curated from a database of local service providers near you. We require a minimum number of Google reviews and average ratings for provider inclusion.

The companies on this list will make window replacement in Los Gatos as effortless as possible.

The This Old House Reviews Team assessed scores of window companies in and around Los Gatos. We took into account the following criteria to determine the best window replacement providers:

  • Product quality
  • Services and warranties
  • Energy-efficiency guarantees
  • Customer reviews and recommendations
  • Professional experience and licensure

Featured Partner
Renewal by Andersen of San Francisco Logo
Top Rated

Renewal by Andersen of San Francisco

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 1,529 reviews


30806 Santana St, Hayward, CA 94544

(510) 803-3110

www.renewalbyandersen.com/window-comp...

GENERAL B CONTRACTOR

4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 31 reviews


262 Hillsdale Ave, San Jose, CA 95136

(408) 999-1111

www.generalbcontractor.com
American Window Specialist Logo

American Window Specialist

4.6/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 51 reviews


1550 Dell Ave i, Campbell, CA 95008

(408) 484-7676

americanwindowspecialists.com
Super Glass Logo

Super Glass

4.6/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 20 reviews


201 Lost Lake Ln, Campbell, CA 95008

(408) 374-7676

www.superglassonline.com
Integrity Windows & Doors Logo

Integrity Windows & Doors

4.5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 109 reviews


4238 Monterey Hwy B, San Jose, CA 95111

(408) 225-2600

www.408windows.com
American Vision Windows Logo

American Vision Windows

4.5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 153 reviews


400 Mathew St, Santa Clara, CA 95050

(408) 444-8941

www.americanvisionwindows.com/locatio...

Fast Glass

4.5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 20 reviews


975 S Bascom Ave, San Jose, CA 95128

(408) 924-0611

www.fastglasscompany.com
WindStar Windows & Doors Logo

WindStar Windows & Doors

4.4/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 17 reviews


2770 S Bascom Ave, San Jose, CA 95124

(408) 559-8976

windstarwd.com
J & M Windows and Glass Logo

J & M Windows and Glass

4.4/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 27 reviews


745 E McGlincy Ln, Campbell, CA 95008

(408) 371-7255

www.jandmglass.com
California Window & Fireplace - Window, Door & Fireplace Sales & Installation in Silicon Valley Logo

California Window & Fireplace - Window, Door & Fireplace Sales & Installation in Silicon Valley

4.4/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 41 reviews


180 Kennedy Ave, Campbell, CA 95008

(408) 379-9930

www.calwindow.com

Best of the rest

Below are home warranty companies that provide decent coverage but fell short of top scores in our rating system. We recommend these only for specific coverage needs.

  • Argonaut Window & Door, Inc.

    4.4/ 5

    10612 S De Anza Blvd, Cupertino, CA 95014

    (800) 430-7535

  • AMC Glass Company, Inc.

    4.3/ 5

    1999 Monterey Hwy # 110, San Jose, CA 95112

    (408) 288-8206

  • Cambrian Glass & Mirror Co

    4.2/ 5

    841 Union Ave, Campbell, CA 95008

    (408) 377-2060

  • TT Glass and Windows

    4.2/ 5

    123 E Alma Ave Ste 20, San Jose, CA 95112

    (408) 288-7778

  • Sivan Windows and Doors - San Jose Window and Door Replacement Company

    4.5/ 5

    1650 Las Plumas Ave A, San Jose, CA 95133

    (888) 582-7956

  • A-Z Windows & Skylights

    4.0/ 5

    583 Division St suite a, Campbell, CA 95008

    (408) 243-4591

Facts about Los Gatos

  • Annual Energy Efficient Windows Savings:
    $562
  • Average Max Temperature:
    71°F
  • Average Min Temperature:
    50°F
  • Average Daily Sunlight:
    69%
  • Average Annual Snowfall:
    0.0”
  • Average Monthly Precipitation:
    1.74”

How To Choose a Window Company in Los Gatos

It's important to find a window replacement company that aligns with your individual values, needs, and preferences. Consider the following traits during your search:

Window Cost by Type

Replacing your windows is a major investment, so balancing cost with quality is important. Choosing budget replacement windows could actually raise your overall cost, since they come with a shorter lifespan and more intensive maintenance needs. The age of your home, as well as the sizes, styles, and materials of windows you select, can impact pricing. Single-hung windows often cost less due to their straightforward style and simple mechanisms, while new skylights cost more to prepare for and install. If you're unsure, a window provider can help you decide which options are ideal for your home.

This table shows average prices for various window types to give you an idea of what to expect.

Window TypesAverage Cost
Arched$272-$1,668
Awning$393-$1,096
Bay$906-$6,722
Custom$403-$1,120
Casement$314-$1,818
Double-hung$146-$946
Egress$269-$671
Glass Block$54-$680
Picture$236-$1,743
Single-hung$107-$1,793
Skylight$134-$1,618
Sliding$309-$1,569
Storm$64-$443
Transom$329-$687

*Our team sourced and verified this cost data by analyzing RSMeans construction estimates, national material and labor costs, and quotes obtained during our in-house consumer focus groups.

Window Material Cost

Replacement window prices also vary based on material. Each option gives you unique advantages depending on the local climate and energy efficiency needs. Fiberglass and vinyl are readily-available materials, so they tend to cost less. Likewise, aluminum and composites look sleek and stay strong against the elements, so they tend to cost more.

Window TypesAverage Cost
Aluminum$64-$1,793
Composite$647-$1,454
Fiberglass$107-$906
Vinyl$218-$2,017
Wood$324-$1,818

*Our team sourced and verified this cost data by analyzing RSMeans construction estimates, national material and labor costs, and quotes obtained during our in-house consumer focus groups.

Other Window Replacement Costs

Your contractor will factor the price for your windows and the value of their services into its total estimate. Make sure to take into account the cost of labor, warranties, and any other extra expenses that your project may need.

Experience and Training

Select a company that focuses on window repair and installation, and look for this information on its website:

  • How long it's been serving the Los Gatos area
  • Photo galleries of projects its crews completed
  • Privately-issued accreditations attesting to its workmanship
The more experience a company has, the better its service and workmanship.

Licensing and Credentials

A California window installer must be licensed as a General Building Contractor, Glazing Contractor and Window Coverings Contractor if it performs jobs valued at over $500. Each license has its own test and work requirements. If a contractor is caught working without a license, they'll have to pay steep fines.

Types of Windows Offered

No two window companies offer the same window types and materials. Look for one that specializes in the type you want for your home.

Also, check the style of window framing materials a company works with. Each material has varying price points, life spans, and energy performance capabilities. Common materials include vinyl, fiberglass, wood, aluminum and composite.

Customer Feedback

Perhaps the best way to screen window companies for your job is to read what previous customers have said about them. You can find customer reviews on websites like Trustpilot, Google, Yelp, and the BBB. Speak with people you know who have used a company you're interested in, and ask a representative for a copy of its reference list.

Frequently Asked Questions about Window Replacement in Los Gatos

More Window Resources

National Windows Company Ranking Methodology

Sources

Energy Star

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

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