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10 Best Window Replacement Companies in Alamo, CA

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Written By David Cusick

Last Updated April 2024

Whether you're making significant home repairs or are simply in need of a change, upgrading your windows is a great idea. Your windows play a key role in energy efficiency and home value. According to the Department of Energy, heat or cool air 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 $579 on your energy bills annually in Alamo. Choosing the right company for you is an important decision. That's why we've created this list of the best window installation companies in Alamo.

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Top 10 Best Window Replacement Companies in Alamo

Renewal by Andersen of San Francisco

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

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

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

Winning Windows

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6114 La Salle Ave, Oakland, CA 94611 (510) 338-1234 winningwindows.com

Good customer service

Timely service

Free assessment

Price transparency

Services Offered

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

Home Services at The Home Depot

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2090 Meridian Park Blvd, Concord, CA 94520 (925) 317-1480 homedepot.com

Price transparency

Educational website

Free assessment

Good customer service

Services Offered

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

Dan's Glass Inc

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1600 Concord Ave, Concord, CA 94520 (925) 827-4173 dansglassinc.com

Timely service

Price transparency

Good customer service

Educational website

Services Offered

Glass showers
Window replacement/installation
Mirrors
Glass repair
Glass doors
Bay windows
Window repair

Concord Glass, Inc.

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1015 Shary Cir #12, Concord, CA 94518 (925) 691-5090 concordglass.com

Educational website

Free assessment

Good customer service

Price transparency

Services Offered

Window repair
Energy-efficient options
Glass doors
Window replacement/installation
Glass showers
Tempered glass
Mirrors

Aames Windows & Doors Inc

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11 Orchard Ct suite d, Alamo, CA 94507 (800) 862-1947 aameswindows.com

Timely service

Free assessment

Good customer service

Price transparency

Services Offered

Glass doors
Vinyl frames
Bay windows
Window replacement/installation
Wood frames
Energy-efficient options

Windows & Beyond

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1027 Shary Ct, Concord, CA 94518 (925) 689-6600 windowsandbeyond.net

Price transparency

Good customer service

Timely service

Free assessment

Educational website

Services Offered

Vinyl frames
Bay windows
Skylights
Energy-efficient options
Window replacement/installation

Lafayette Glass Company

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3375 Mount Diablo Blvd, Lafayette, CA 94549 (925) 284-9510 lafayetteglasscompany.com

Free assessment

Price transparency

Timely service

Services Offered

Window replacement/installation
Window repair
Energy-efficient options
Glass showers
Glass doors
Mirrors
Custom glass

Diablo Custom Screen & Glass

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1065 Shary Cir, Concord, CA 94518 (925) 689-1100 diabloscreen.com

Free assessment

Price transparency

Good customer service

Educational website

Services Offered

Window replacement/installation
Bay windows
Custom glass
Glass showers

Bestoff Windows & Construction

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1000 Detroit Ave Suite "S, Concord, CA 94518 (925) 457-9026 bestoffwindows.com

Free assessment

Educational website

Timely service

Good customer service

Price transparency

Services Offered

Glass doors
Window replacement/installation
Metal frames
Vinyl 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 Alamo?

The cost of window installation or replacement will be influenced by a number of factors, including how difficult your windows are to access or install, the materials you choose, and the number and size of the windows. On average, homeowners in Alamo spend roughly $280 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 significantly enhance your home's comfort, appearance, value, noise reduction, and insulation. Some clear signs it's time for new windows include the following:

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

How To Choose a Window Company

Hiring an experienced window installer helps ensure good results and a great experience. Below, we outline the main criteria for choosing a qualified window installer.

Experience

Find well-established local installers with lots of experience. Providers that have worked in Alamo for years are more likely to understand the local climate and how to best meet your needs. Request references from recent customers to confirm a company’s reputation.

Certifications

Select an installer that is certified by major window brands and groups like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Appropriate accreditation means that a contractor is trained in best practices for installation. Confirm that installers are staff, not subcontractors, and verify that any technicians working on your home are certified.

Reputation

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

Process

A quality provider will give you a comprehensive project plan, reasonable timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer vague quotes or timelines. Insist on consistent contact throughout the process, so you aren't caught off guard once the work begins.

Warranties

Look for window installers that offer assurances on their installations, and that offer warranties on materials and labor. This indicates confidence in their work. Also seek out unlimited lifetime warranties that can transfer to new homeowners.

Materials

Make sure your window installer 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 Alamo, CA

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

The best type of replacement windows for your Alamo home depends on the year your home was built –the average house in Alamo was built around 1977. For older homes, you may want to consider efficient windows such as double-pane windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a classic look that's great for older homes. For newer homes, you might want to consider vinyl windows, which are durable, affordable and have a modern look.

You can save money on your window installation by choosing a budget option like single-hung windows with vinyl frames. These have lower prices compared to more expensive windows such as fiberglass, double-hung, or wood windows.

The window installation process typically takes a day or two for a typical home. On the other hand, if you have many windows to install, it may take longer. Some companies can complete the project in a single day, depending on the size of the job.

Replacing your own windows can be a difficult task, especially in Alamo, where temperatures can get quite hot. It's generally recommended to get a professional window installer. A professional installer has the knowledge and experience that ensures your windows are correctly installed and that you get the most out of your investment.

Window replacement companies in Alamo typically offer many services, such as installation, repair, window maintenance, cleaning, window tinting, and weatherproofing.

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