10 Best Window Replacement Companies in Napa, CA

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Last Updated: February 25, 2025

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 According to the Department of Energy, heat gained or lost through outdated windows could make up 25–30% of the heating and cooling costs in your home.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. If you're looking for a window installation company, this is a great way to get started. Keep reading to find the best window installation companies in Napa.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Napa

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen of San Francisco

Renewal by Andersen of San Francisco Logo

Our Rating

User Rating

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

Educational website

Free assessment

Good customer service

Price transparency

Services Offered

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

DaBella

DaBella Logo

Our Rating

User Rating

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

The Glass Guru

The Glass Guru Logo

Our Rating

User Rating

9100 Elkmont Way, Elk Grove, CA 95624 (916) 735-4960 theglassguru.com

Free assessment

Good customer service

Price transparency

Educational website

Timely service

Services Offered

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

Southgate Glass

Southgate Glass Logo

Our Rating

User Rating

6852 Franklin Blvd, Sacramento, CA 95823 (916) 421-1723 southgateglass.com

Educational website

Free assessment

Good customer service

Services Offered

Custom glass
Vinyl frames
Screen repair
Glass doors
Bay windows
Wood frames
Skylights
Mirrors
Window replacement/installation
Glass showers
Tempered glass
Glass repair

Glass West Inc.

Glass West Inc. Logo

Our Rating

User Rating

3033 Duluth St, West Sacramento, CA 95691 (916) 372-9391 glasswest.com

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

Fiberglass frames
Window repair
Custom glass
Wood frames
Vinyl frames
Tempered glass
Glass showers
Glass repair
Window replacement/installation
Metal frames
Glass doors
Mirrors

Southgate Glass and Screen

Southgate Glass and Screen Logo

Our Rating

User Rating

6199 Warehouse Way, Sacramento, CA 95826 (916) 970-2777 southgateglass.com

Timely service

Free assessment

Educational website

Good customer service

Price transparency

Services Offered

Tempered glass
Custom glass
Screen repair
Glass repair
Skylights
Vinyl frames
Glass showers
Wood frames
Window replacement/installation
Mirrors
Bay windows
Glass doors

Roxy Glass

Roxy Glass Logo

Our Rating

User Rating

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

Good customer service

Educational website

Free assessment

Timely service

Price transparency

Services Offered

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

River City Windows

River City Windows Logo

Our Rating

User Rating

819 Striker Ave #6, Sacramento, CA 95834 (866) 986-7695 rivercitywindows.com

Good customer service

Timely service

Price transparency

Free assessment

Educational website

Services Offered

Glass doors
Wood frames
Vinyl frames
Fiberglass frames
Double-hung
Custom window designs
Bay windows
Metal frames
Window replacement/installation

Best Exteriors

Best Exteriors Logo

Our Rating

User Rating

1999 Harrison St #10219, Oakland, CA 94612 (510) 327-0277 bestexteriors.com

Good customer service

Price transparency

Timely service

Free assessment

Educational website

Services Offered

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

Best Exteriors Construction, Inc.

Best Exteriors Construction, Inc. Logo

Our Rating

User Rating

5041 College Oak Dr H, Sacramento, CA 95841 (916) 899-8007 bestexteriors.com

Timely service

Good customer service

Free assessment

Price transparency

Educational website

Services Offered

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

The cost of window installation or replacement will be influenced by a number of factors, including the number and size of the windows, how difficult your windows are to access or install, and the materials you choose. On average, homeowners in Napa will 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

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

  • High energy bills and a chilly house from poor window 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 let in moisture.
  • Cold air and drafts coming in through old, loose-fitting windows.
  • Outdated and inefficient window styles that reduce your house's curb appeal.

How To Choose a Window Company

Selecting a window installer with the proper qualifications helps ensure a smooth installation. We review the most important qualities to consider when choosing a qualified provider below.

Experience

Look for highly-regarded local companies with a long track record of experience successfully installing all kinds of windows. These providers are more likely to understand Napa's climate and your requirements. Request references from recent clients to confirm the quality of a company's work.

Certifications

Choose an installer that’s accredited like leading window companies, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Suitable credentials indicate they've received proper training in installation best practices. Make sure installers are staff rather than subcontractors, and confirm that the technicians assigned to your job have certification.

Reputation

Spend time going through online reviews, checking the Better Business Bureau, and requesting local references. Review customer feedback to confirm that the company regularly provides good workmanship and service. Avoid companies with complaints of shoddy or unfinished work.

Process

A reputable provider will give you a comprehensive project plan, detailed timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer unclear quotes or timelines. Ask for regular contact throughout the process, so you aren't caught off guard when installation starts.

Warranties

Look for contractors that guarantee their installations and offer warranties on labor and materials. This is a sign of trust in their window installations. Look for unlimited lifetime warranties that can even transfer to new homeowners.

Materials

Verify that your window installer works with trusted, long-lasting brands, offers energy-efficient window options, and fits your budget. Look for window options with design flexibility, enhanced UV protection, and good energy ratings, and check whether the materials include their own manufacturer warranties.

Frequently Asked Questions About Window in Napa, CA

In Napa, the best time to install windows is when temperatures are mild, generally during spring, winter or fall. This enables professionals to do their work without having to worry about the weather.

The best type of replacement window for your Napa home will vary based 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 give a classic look and appearance, while vinyl windows tend to be popular in more modern homes. Fiberglass windows are also a popular choice, since they are energy efficient and durable.

The types of window that usually last longest are ones made of vinyl or wood, with double glaze for extra insulation. Vinyl windows are famous for their durability and need little maintenance, and wood windows offer a more traditional look. Tripling up on the glazing will reduce energy costs over time. This is especially helpful during Napa's hot summers.

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

You should wipe away any debris or dirt buildup from the windows when they get dirty. Additionally, you should inspect your windows monthly to make sure they're working correctly. It's also a good idea to get a professional to inspect your windows annually for any hidden damages or issues.

Yes, many window companies offer financing options for their customers. Some installers offer low-interest loans, although you may not qualify if your income is on the higher end, while other companies offer unique financing plans with agreements and conditions that vary depending on the job.

Window companies in Napa usually offer a range of services, including measuring and installing new windows, fixing existing windows, swapping out window glass, and hanging window treatments. They may also offer extra services such as weatherproofing or cleaning.

Other Napa, CA Home Services

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