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10 Best Window Replacement Companies in Cupertino, CA

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Written By David Cusick

Last Updated April 2024

Windows play an important role in the appearance of your house, as well as its energy efficiency. Upgrading your windows is an excellent way to increase the value of your home. Outdated windows can cost you in electric bills — about an extra $461 a year in Cupertino. The Department of Energy estimates that 25–30% of your home’s heat or cool air could be lost through your windows. When searching for a window installer, it's important to pick the right one, which is why we've written this guide to the top window installers in Cupertino.

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Top 10 Best Window Replacement Companies in Cupertino

Renewal by Andersen of San Francisco

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

Price transparency

Free assessment

Educational website

Good customer service

Services Offered

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

American Vision Windows

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

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

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

J & M Windows and Glass

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

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

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

American Window Specialist

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

Free assessment

Educational website

Price transparency

Good customer service

Services Offered

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

California Deluxe Windows

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3439 De La Cruz Blvd, Santa Clara, CA 95054 (408) 260-5566 cdwindows.com

Good customer service

Educational website

Price transparency

Services Offered

Vinyl frames
Custom window designs
Wood frames
Bay windows
Glass doors
Window replacement/installation
Energy-efficient options
Double-hung

Home Services at The Home Depot

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

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

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

Los Altos Glass Repair and Replacement

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4546 El Camino Real #217, Los Altos, CA 94022 (650) 443-4973 losaltosglass.com

Good customer service

Free assessment

Services Offered

Window replacement/installation
Bay windows
Energy-efficient options
Glass repair
Window repair
Custom glass
Mirrors
Tempered glass
Glass showers

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

Price transparency

Free assessment

Good customer service

Educational website

Services Offered

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

My Window & Door Solutions LLC

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1510 Oakland Rd Ste 130, San Jose, CA 95112 (408) 437-6274 mywindowdoorsolutions.com

Good customer service

Free assessment

Price transparency

Educational website

Services Offered

Window replacement/installation
Storm/impact windows
Energy-efficient options
Bay windows
Custom window designs

Cambrian Glass & Mirror Co

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

Good customer service

Services Offered

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

Window installation and replacement costs depend on several factors, including the materials you choose, how difficult your windows are to access or install, and the number and size of the windows. On average, Cupertino homeowners spend about $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

Replacing your old windows with new energy-efficient ones can significantly improve your home's comfort, noise reduction, appearance, insulation, and value. Clear indicators it's time to invest in new windows include:

  • Fogging between window panes, condensation issues, or rotting window frames letting in moisture.
  • High energy bills and discomfort due to poor window insulation.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • Outdated and inefficient window styles that take away from your house's curb appeal.
  • Windows that are difficult to close, open, and lock properly due to wear and age.

How To Choose a Window Company

Finding a truly qualified windows installation contractor is the key to a successful project. Below, we cover the main factors to consider when making your selection.

Experience

Make sure you choose a seasoned local installer with a proven track record of successfully installing and replacing windows. Companies that have served Cupertino for years are more likely to understand the local climate and local homeowners' needs. Get references from recent clients to learn more about a provider’s service.

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 gotten suitable training in installation best practices. Make sure installers are staff rather than subcontractors, and confirm the technicians doing your job are certified.

Reputation

Read through online reviews, check the Better Business Bureau (BBB), and request local references. Review customer feedback to make sure that the contractor consistently provides quality work and good customer service. Avoid providers that have complaints of shoddy work or unfinished jobs.

Process

The right company will take time to provide you with a comprehensive project plan, timeline, expectations, and reviews of all material and installation options. Beware of unclear quotes or timelines that lack clear and specific information. Look for regular communication throughout the process to avoid surprises once the project gets underway.

Warranties

Research window companies that back their installations with guarantees, and that offer warranties on products and labor. This demonstrates faith in their work. Also look for unlimited lifetime warranties that can transfer to new homeowners.

Materials

Make sure the window company offers windows that are built to last and top energy-saving window brands that fit your budget. Look for good energy ratings, design flexibility, and enhanced UV protection. Check that the window materials also come with manufacturer warranties.

Frequently Asked Questions About Window in Cupertino, CA

In Cupertino, the optimal time to install windows is during the winter when the temperature is not as high, so the windows can seal and settle properly. A professional local window installer in Cupertino will be able to tell you when the best time is to install windows on your house.

The best type of replacement window for your Cupertino home will depend on your home's age, 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 traditional look and appearance, while vinyl-framed windows tend to be popular in newer homes. Fiberglass windows are also a popular choice, as they can be energy efficient and long-lasting.

Windows made from vinyl, fiberglass, or wood are known to last the longest, with some lasting more than 45 years. Vinyl windows are particularly durable and low-maintenance, making them a great choice if you want windows that can last a long time. Double or triple glazing can help reduce your heating and cooling bills over time. This is especially helpful during Cupertino's hot summers.

It depends on your budget and the condition of your windows. If your windows are in decent condition, you might only replace the ones that really need replacing. If you're in an area that has lower energy costs, you may be able to wait to replace all your windows.

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

Yes, many window companies offer payment plans 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 $223,667 a year in Cupertino, you may be able to qualify for special payment plans.

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