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10 Best Window Replacement Companies in Sunnyvale, CA

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Written By David Cusick

Last Updated February 2024

Windows play an important role in your house's appearance and energy efficiency. Upgrading your windows is a great way to increase the value of your home. According to the Department of Energy, heat gained or lost through old or damaged windows could be responsible for 25–30% of the heating and cooling use in your home. By installing energy-efficient windows, you could save an extra $562 on your electric bills annually in Sunnyvale. If you can't decide on a window installation company, this guide is the best place to get started. Keep reading to discover the best window installation companies in Sunnyvale.

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Top 10 Best Window Replacement Companies in Sunnyvale

Renewal by Andersen of San Francisco

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

Free assessment

Price transparency

Good customer service

Educational website

Services Offered

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

J & M Windows and Glass

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

Price transparency

Free assessment

Good customer service

Educational website

Services Offered

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

Roxy Glass

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7401-A Morton Ave, Newark, CA 94560 (510) 400-7788 bayareawindowglass.com

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Price transparency

Educational website

Timely service

Good customer service

Services Offered

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

Argonaut Window & Door, Inc.

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10612 S De Anza Blvd, Cupertino, CA 95014 (800) 430-7535 argowin.com

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Price transparency

Educational website

Good customer service

Services Offered

Window replacement/installation
Metal frames
Bay windows

AMC Glass Company, Inc.

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987 E El Camino Real, Sunnyvale, CA 94087 (408) 245-8206 amcglass.com

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Price transparency

Good customer service

Services Offered

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

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

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

American Mirador & Campbell Glass

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

Good customer service

Educational website

Free assessment

Price transparency

Services Offered

Custom glass
Mirrors
Glass doors
Bay windows
Window replacement/installation
Glass showers

Home Services at The Home Depot

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

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

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

A1 Quality Construction (Window & Door Specialists)

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535 Salmar Ave # C, Campbell, CA 95008 (408) 827-1599 a1qualityconstruction.net

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

Bay windows
Window replacement/installation
Glass doors

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

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Free assessment

Good customer service

Educational website

Services Offered

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

Window installation and replacement costs will be 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 Sunnyvale will 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

New, energy-efficient windows can significantly enhance your home's noise reduction, insulation, comfort, appearance, and value. Obvious signs that it's time for window replacement include the following:

  • Windows that are hard to close, open, and lock properly due to wear and age.
  • Drafts and cold air coming in from old, loose-fitting windows.
  • Discomfort and high energy bills from poor insulation.
  • Inefficient and outdated window styles that reduce your house's curb appeal.
  • Fogging between window panes, condensation issues, or rotting window frames that allow moisture intrusion into the home.

How To Choose a Window Company

Hiring a qualified window installer is the key to a successful project. Below, we cover the main factors to consider when deciding which company to hire.

Experience

Look for well-established local installers with lots of experience. Providers that have been installing windows locally for many years are more likely to know the local climate and how to best meet your needs. Request references from recent customers to verify that a provider delivers quality work.

Certifications

Select an installer that is accredited by leading window companies and associations like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor has training in best practices for installation. Confirm that installers are staff, not subcontractors, and check that the 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 consistently does quality work and provides good service. Avoid companies with complaints of poor work or unfinished jobs.

Process

The most qualified 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 ongoing communication throughout the process to avoid surprises down the road.

Warranties

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

Materials

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

Frequently Asked Questions About Window in Sunnyvale, CA

The ideal time to install windows in Sunnyvale is when temperatures are moderate, generally during spring, winter or fall. These conditions enable professionals to work without having to worry about the weather.

The best type of replacement window for your Sunnyvale home will vary based 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 newer — so your new windows match. Wooden windows can give a classic look and appearance, while vinyl-framed windows tend to be popular in more modern homes. Fiberglass windows are also a popular choice, since they can be energy efficient and durable.

The most expensive windows are those with multiple moving parts such as double-hung and casement windows. They are more complicated than single-hung windows, which makes them more expensive. Single-hung windows are the cheapest on the market. In terms of frames, vinyl and aluminum are the most affordable options.

The window installation process typically takes one to two days for a standard home. However, if you have many windows to install, it may take longer. Some contractors can complete the project in a single day, depending on the size of the job.

Replacing your own windows can be a complex task, especially in Sunnyvale, where temperatures can get quite hot. It's generally recommended to hire a skilled window installer. Their knowledge and experience ensures your windows are properly installed and that you get the most out of your investment.

If you live in a drier climate like Sunnyvale, you may only need to clean off any debris or dirt buildup on the windows occasionally. Additionally, you need to inspect your windows monthly to make sure they're still functioning properly. It's also a good idea to get a professional to inspect your windows annually for any hidden damages or issues.

Getting windows installed by a professional can provide a number of benefits. Professional installers can ensure that your windows are properly installed, sealed, and insulated, minimizing air leakage and maximizing energy efficiency. Professional installers are also well-equipped with the necessary tools and techniques to get the job done, which can save you time and money.

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