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10 Best Window Replacement Companies in Los Gatos, CA

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Written By David Cusick

Last Updated April 2024

Upgrading your windows can be rather costly, but is a great way to increase the energy efficiency and value of your home. Outdated windows can cost you in electric bills — about an extra $461 a year in Los Gatos. The Department of Energy estimates that about 30% of your home’s heat or cool air could be going out your windows. Choosing a window installer can be time-consuming, which is why we've put together this list of the top window installation companies in Los Gatos.

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Top 10 Best Window Replacement Companies in Los Gatos

Renewal by Andersen of San Francisco

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30806 Santana St, Hayward, CA 94544 (510) 803-3110 renewalbyandersen.com

Free assessment

Educational website

Price transparency

Good customer service

Services Offered

Skylights
Double-hung
Window replacement/installation
Bay windows
Glass doors

Integrity Windows & Doors

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4238 Monterey Hwy B, San Jose, CA 95111 (408) 225-2600 408windows.com

Timely service

Good customer service

Price transparency

Educational website

Free assessment

Services Offered

Wood frames
Fiberglass frames
Metal frames
Bay windows
Window replacement/installation
Vinyl frames
Glass doors

American Vision Windows

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400 Mathew St, Santa Clara, CA 95050 (408) 444-8941 americanvisionwindows.com

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Good customer service

Educational website

Price transparency

Services Offered

Window replacement/installation
Glass doors
Fiberglass frames
Double-hung
Energy-efficient options
Wood frames
Vinyl frames

J & M Windows and Glass

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745 E McGlincy Ln, Campbell, CA 95008 (408) 371-7255 jandmglass.com

Free assessment

Good customer service

Price transparency

Educational website

Services Offered

Energy-efficient options
Window replacement/installation
Double-hung
Bay windows
Skylights
Mirrors
Glass showers
Glass doors

American Window Specialist

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1550 Dell Ave i, Campbell, CA 95008 (408) 484-7676 americanwindowspecialists.com

Good customer service

Price transparency

Free assessment

Educational website

Services Offered

Window replacement/installation
Vinyl frames
Bay windows
Glass doors
Window repair
Double-hung

Home Services at The Home Depot

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2435 Lafayette St, Santa Clara, CA 95050 (408) 359-6414 homedepot.com

Educational website

Price transparency

Free assessment

Good customer service

Services Offered

Window replacement/installation
Screen repair
Storm/impact windows
Glass doors
Glass showers
Vinyl frames
Custom window designs

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

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180 Kennedy Ave, Campbell, CA 95008 (408) 379-9930 calwindow.com

Free assessment

Good customer service

Price transparency

Educational website

Services Offered

Glass doors
Bay windows
Window replacement/installation
Skylights
Double-hung

Cambrian Glass & Mirror Co

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841 Union Ave, Campbell, CA 95008 (408) 377-2060 cambrianglass.com

Good customer service

Services Offered

Metal frames
Vinyl frames
Custom glass
Glass showers
Mirrors
Glass doors
Energy-efficient options
Bay windows
Window replacement/installation

AMC Glass Company, Inc.

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1999 Monterey Hwy # 110, San Jose, CA 95112 (408) 288-8206 amcglass.com

Good customer service

Free assessment

Price transparency

Services Offered

Vinyl frames
Window replacement/installation
Glass showers
Mirrors
Tempered glass
Skylights

American Mirador & Campbell Glass

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417 Lano St, San Jose, CA 95125 (408) 370-2252 americanmirador.com

Good customer service

Price transparency

Free assessment

Educational website

Services Offered

Custom glass
Window replacement/installation
Glass showers
Mirrors
Glass doors
Bay windows
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Los Gatos?

Window installation and replacement costs are influenced by several factors, including how difficult your windows are to access or install, the number and size of the windows, and the materials you choose. On average, homeowners in Los Gatos should expect to spend around $300 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Installing new energy-efficient windows can greatly improve your home's insulation, value, appearance, comfort, and noise reduction. Some clear indicators it's time for new windows include the following:

  • High energy bills and discomfort due to poor insulation around windows.
  • Windows that are hard to close, open, or lock properly due to wear and age.
  • Drafts and cold air leaking in from old, loose-fitting windows.
  • Inefficient and outdated window styles that detract from your home’s curb appeal.
  • Fogging between window panes, condensation issues, or rotting window frames that let in moisture.

How To Choose a Window Company

For a successful window replacement, you need to hire an installation contractor with proven expertise. Below, we cover the most important qualifications for selecting a window installer.

Experience

Look for highly-regarded local companies with many years, ideally decades, of experience successfully installing all types of windows. These providers are more likely to have a deep knowledge of Los Gatos' climate and local homeowner needs. Ask for references from recent clients to verify quality and experience.

Certifications

Choose companies that are certified by leading window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Being certified indicates that they've received proper training in installation best practices. Make sure installers are staff, not subcontractors, and confirm that any technicians working on your home are certified.

Reputation

Spend time reading through online reviews, checking the Better Business Bureau (BBB), and asking for local references. Review customer feedback to verify that a company delivers consistent quality workmanship and great service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

The best company will take time to provide you with a comprehensive project plan, timeline, expectations, and reviews of all material and installation options. Beware of vague quotes or timelines that don't provide enough specifics upfront. Look for regular communication throughout the process to avoid surprises once the project gets underway.

Warranties

Seek out providers that back their work with guarantees and provide warranties on labor and materials. This demonstrates confidence in their window installations. Seek out unlimited lifetime warranties that can even transfer to new homeowners.

Materials

Confirm that a window company offers durable, long-lasting windows and leading energy-efficient window bands that match your budget. Research choices with enhanced UV protection, design flexibility, and good energy ratings, and verify that the materials come with their own manufacturer warranties.

Frequently Asked Questions About Window in Los Gatos, CA

The ideal time to install windows in Los Gatos is when temperatures are moderate, generally during spring, winter or fall. These conditions allow professionals to do their work with less worry about the weather.

The best type of replacement window for your Los Gatos home will vary based on the age of your home, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wood windows can provide a classic look and appearance, while vinyl-framed windows are more popular in newer homes. Fiberglass windows are also a popular choice, as they can be energy efficient and long-lasting.

Windows made from wood, fiberglass, or vinyl tend to last the longest, with some lasting up to 45 years. Vinyl windows are particularly durable and low-maintenance, making them an excellent choice if you want windows that will last a long time. Adding more glazing can help reduce your cooling and heating bills in the long run. This is especially helpful during Los Gatos' hot summers.

The process for installing new windows typically begins with measuring the old windows and ordering new ones. After that, a professional installer will prep the work area, take out the existing windows, and install the new ones. Once this is done, your installer will trim out the opening and finish by sealing the window.

After window installation, it's important to check for any air leaks and make sure the windows are properly sealed. You should also clean the windows at least once a year to prevent debris from accumulating and leading to damage. Additionally, you should inspect the window sills and frames once a year to ensure that the seals are not deteriorating or cracking.

Yes, many window companies offer financing for their services. Different companies have their own financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $198,117 a year in Los Gatos, you may be able to qualify for special financing.

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