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10 Best Window Replacement Companies in Napa, CA

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Written By David Cusick

Last Updated February 2024

Whether you want to increase your home's value, energy efficiency, or both, replacing your windows is a great idea. According to the Department of Energy, heat gained or lost through outdated windows could make up 25–30% of the heating and cooling costs in your home. By installing energy-efficient windows, you could save an extra $518 on your electricity bills annually in Napa. Picking a window installer can be difficult, which is why we've compiled this guide to the best window installation companies in Napa.

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Top 10 Best Window Replacement Companies in Napa

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

Good customer service

Educational website

Services Offered

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

Window World of Greater Sacramento

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9777 Business Park Dr Suite B, Sacramento, CA 95827 (916) 461-8705 windowworldsacramento.com

Timely service

Free assessment

Good customer service

Price transparency

Educational website

Services Offered

Glass doors
Window replacement/installation
Double-hung
Bay windows

DaBella

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1300 National Dr #170, Sacramento, CA 95834 (916) 345-1576 dabella.us

Good customer service

Timely service

Services Offered

Glass doors
Double-hung
Vinyl frames
Window replacement/installation

American Window Systems, Inc.

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1729 Action Ave suite b, Napa, CA 94559 (707) 244-7260 amwinsys.com

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Educational website

Good customer service

Price transparency

Services Offered

Window replacement/installation
Skylights

Javco Window & Glass Contractors Inc

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1900 Yajome St, Napa, CA 94559 (707) 252-8338 javcowindowsandglass.com

Educational website

Free assessment

Services Offered

Window replacement/installation
Custom glass
Glass doors
Mirrors
Glass showers

The Glass Guru

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1601 Enterprise Dr STE 14, Fairfield, CA 94533 (707) 348-9539 theglassguru.com

Timely service

Good customer service

Free assessment

Price transparency

Educational website

Services Offered

Metal frames
Vinyl frames
Window repair
Fiberglass frames
Glass doors
Triple pane glass
Wood frames
Tempered glass
Energy-efficient options
Glass repair
Window replacement/installation
Custom glass
Glass showers
Storm/impact windows
Skylights
Mirrors
Screen repair

Window Replacement Fairfield

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2300 Boynton Ave #144, Fairfield, CA 94533 (707) 404-3062 bestexteriors.com

Educational website

Timely service

Price transparency

Good customer service

Free assessment

Services Offered

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

Vallejo Glass Inc.

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205 Couch St, Vallejo, CA 94590 (707) 644-4447 vallejoglass.com

Good customer service

Free assessment

Services Offered

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

Home Services at The Home Depot

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2121 Cadenasso Dr, Fairfield, CA 94533 (707) 296-1194 homedepot.com

Free assessment

Good customer service

Educational website

Price transparency

Services Offered

Mirrors
Window replacement/installation
Glass doors
Glass showers

California Glass of Vallejo, Inc.

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1014 Broadway, Vallejo, CA 94590 (707) 643-5609 calglassofvallejo.com

Free assessment

Timely service

Educational website

Price transparency

Good customer service

Services Offered

Custom glass
Glass repair
Bay windows
Glass doors
Glass showers
Custom window designs
Mirrors
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 Napa?

Window installation and replacement costs depend on 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, Napa homeowners should expect to spend about $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

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

  • Discomfort and high energy bills due to poor insulation.
  • Windows that are hard to close, open, and lock properly due to wear and age.
  • Condensation issues, fogging between window panes, or rotting window frames that allow moisture intrusion into the home.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • Outdated and inefficient window styles that detract from your house's curb appeal.

How To Choose a Window Company

Hiring an experienced window installation contractor helps ensure a great experience and excellent results. Below, we outline the main considerations for choosing a qualified window installer.

Experience

Seek out an established local window company with many years or decades of success installing all window types. Seasoned providers are more likely to be able to seamlessly accommodate Napa's climate and local homeowner needs. To confirm a company deliver quality work, request references from recent customers.

Certifications

Look for installers that are backed by leading window manufacturers and accredited by top industry associations, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Appropriate accreditation indicates that a provider has been appropriately trained in installation best practices. Ensure installers are employees rather than subcontractors, and verify that any technicians working on your home hold the right certifications.

Reputation

Take time to read online reviews, check the Better Business Bureau (BBB), and request local references. Review customer feedback to verify that the company consistently delivers good workmanship and service. Avoid companies with complaints of poor or incomplete work.

Process

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

Warranties

Look for providers that back their work with guarantees and provide warranties on products and labor. This shows confidence in their window installations. Look for unlimited lifetime warranties that can even transfer to new homeowners.

Materials

Ensure your provider installs durable, energy-efficient window brands that fit your budget. Look for good energy ratings, design flexibility, and enhanced UV protection. Confirm the window materials have their own manufacturer warranties as well.

Frequently Asked Questions About Window in Napa, CA

In Napa, the best time to install windows is during the winter when the temperature is not as high, so the windows can seal and adjust properly. A professional local window installer in Napa will be able to explain when the best time is to install windows on your home.

The best type of replacement window for your Napa home will depend on your home's age, as well as your personal style and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wooden windows can provide a traditional look and feel, while vinyl-framed windows are more popular in more modern homes. Fiberglass-framed windows are also a popular choice, since they can be energy efficient and durable.

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

It depends on your budget and the condition of your existing windows. If your existing windows are in decent condition, you might only replace the ones that really need replacing. If you're in an area that has average energy costs, you may want to consider replacing all your windows at once to get the highest energy savings.

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 wash the windows at least once a year to stop debris from building up and leading to damage. Additionally, if you live in an area with a lot of rainfall, you should inspect the window sills and frames once a year to make sure that the seals are not deteriorating or cracking.

Yes, most window companies provide financing options. Some installers provide low-interest or no-interest loans, although you may not qualify if your income is on the higher end, while other companies offer special financing plans with agreements and conditions that vary depending on the job.

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