20 Best Window Companies in Danville, CA (2024 Reviews)

If you’re looking to upgrade to new windows, our list of the top window installation companies can help.

We analyzed all the top-rated window companies in Danville and selected the best 20 based on:

  • Customer reviews
  • Window installation expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated April 21, 2024

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

A guide on the best window replacement companies in Danville may not seem like the most riveting article on the EcoWatch site, but trust us, windows impact your life more than you might realize. During the hot summer months, the last thing you want is your cool air to leak out of your outdated, drafty windows.

That’s also bad for the environment, as the additional energy used by leaky windows increases your carbon footprint.

Because windows have such a large impact on your home, selecting the best company for you is a big decision to make. That’s why the EcoWatch team has made this list of the best window installation companies, so you can make an informed decision more easily.

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house
Buy One Window, Get One 40% OFF
Get Estimate

Best Energy-Efficient Features

Champion

★★★★★
4.5
  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty
Buy 2 Windows, Get 2 Free
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best Window Installation & Replacement Companies in Danville

The EcoWatch Reviews team examined dozens of installers across the country to find the top window replacement companies for our readers. The providers in this article scored best in our review categories, such as energy-efficient offerings, availability, customer service, price, local expertise and more.

Window World logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World provides windows expertise in Danville. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This provider has 27 years of experience in the windows industry, and it has become one of the most respected companies in the business.

You may want to consider opting for Window World if you're interested in a installer that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.

Energy Efficiency of Window World Windows

Window World’s commitment to sustainability shows in its energy-efficient window offerings. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.

How much does Window World cost in Danville?

Window World does not mention prices on its website, but it's known for offering some of the most affordable window installations around. If you’d like more accurate information, you can get a quote on the company’s website.

Milgard Windows & Doors logo
FAST QUOTE
as little as 30 seconds
Excellent Reputation

Milgard Windows & Doors

★★★★★
BBB Rating: A
Locations: West Coast
Founded: 1962
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Wide network of installers
  • Pros icon Lifetime warranty available
Cons:
  • Pros icon Entails hiring third-party contractors
  • Pros icon Limited additional services

Milgard Windows & Doors provides the best local installation in Danville. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. This provider has 60 years of experience in the windows industry, and it has become one of the most respected companies in the business.

You may want to consider opting for Milgard if you're interested in a installer that offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience.

Energy Efficiency of Milgard Windows & Doors Windows

Milgard Windows & Doors’s commitment to sustainability shows in its energy-efficient window offerings. The company manufactures its own products, which gives it the freedom to make custom windows based on the climate. The company designs its own vinyl compounds and profiles to ensure a heat-stable product that performs as advertised.

How much does Milgard Windows & Doors cost in Danville?

Milgard does not mention prices on its website, but it offers different kinds of windows at varying price points. If you’d like more accurate information, you can get a quote on the company’s website.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen provides the best availability in Danville. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This provider has 27 years of experience in the windows industry, and it has become one of the most respected companies in the business.

You may want to consider opting for Andersen if you're interested in a installer that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.

Energy Efficiency of Renewal by Andersen Windows

Renewal by Andersen’s commitment to sustainability shows in its energy-efficient window offerings. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.

How much does Renewal by Andersen cost in Danville?

Andersen does not mention prices on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. If you’d like more accurate information, you can get a quote on the company’s website.

Universal Windows Direct logo
FAST QUOTE
as little as 30 seconds
Best Warranty

Universal Windows Direct

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 2002
Pros:
  • Pros icon Makes charitable contributions
  • Pros icon Manufactures products in-house
  • Pros icon Wide variety of products and services
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Limited service area
  • Pros icon Some installations carried out by third-party contractors
  • Pros icon Quality of service will depend on your area

Universal Windows Direct provides the best warranty in Danville. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This provider has 20 years of experience in the windows industry, and it has become one of the most respected companies in the business.

You may want to consider opting for Universal if you're interested in a installer that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

Universal Windows Direct’s commitment to sustainability shows in its energy-efficient window offerings. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.

How much does Universal Windows Direct cost in Danville?

Universal does not mention prices on its website, but installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. If you’d like more accurate information, you can get a quote on the company’s website.

Please note that the companies in this section are national, meaning the quality of customer service may depend on your local team. We have tried to stay unbiased and transparent by mentioning both pros and cons for every company.

More Window Companies in Danville

Renewal by Andersen of San Francisco

Hayward, CA
4.8
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Doors
  • Service icon Skylights
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Bay Windows

Website: https://www.renewalbyandersen.com/window-company/890-san-francisco-ca/retailer
Address: 30806 Santana St, Hayward, CA 94544
Phone: (510) 803-3110

Diablo Custom Screen & Glass

Concord, CA
4.6
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Bay Windows
  • Service icon Custom Glass
  • Service icon Glass Showers
  • Service icon Window Replacement/Installation

Website: http://www.diabloscreen.com/
Address: 1065 Shary Cir, Concord, CA 94518
Phone: (925) 689-1100

Cal Coast Window & Door

Pleasanton, CA
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Bay Windows
  • Service icon Energy-Efficient Options

Website: https://calcoastwindows.com/
Address: 5673 W Las Positas Blvd Suite 203, Pleasanton, CA 94588
Phone: (925) 398-8184

Custom Exteriors, Inc

Pleasanton, CA
4.8
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Custom Window Designs
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: https://www.custom-exteriors.com/
Address: 2142 Rheem Dr ste e, Pleasanton, CA 94588
Phone: (888) 957-7800

Glass Doctor of The Bay Area

Hayward, CA
4.5
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Custom Glass
  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Glass Repair
  • Service icon Window Repair
  • Service icon Mirrors

Website: https://glassdoctor.com/hayward
Address: 773 Berry Ave, Hayward, CA 94544
Phone: (510) 264-5277

Diablo Glass Inc.

Concord, CA
3.8
★★★★★

    Services Offered

    • Service icon Mirrors
    • Service icon Glass Doors
    • Service icon Glass Showers
    • Service icon Window Replacement/Installation

    Website: http://www.diabloglassinc.com/
    Address: 1940 Concord Ave, Concord, CA 94520
    Phone: (925) 682-8271

    Windows & Beyond

    Concord, CA
    3.4
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Good Customer Service
    • Pros icon Price Transparency
    • Pros icon Timely Service

    Services Offered

    • Service icon Bay Windows
    • Service icon Energy-Efficient Options
    • Service icon Vinyl Frames
    • Service icon Window Replacement/Installation
    • Service icon Skylights

    Website: http://www.windowsandbeyond.net/
    Address: 1027 Shary Ct, Concord, CA 94518
    Phone: (925) 689-6600

    Reborn Cabinets Inc.

    Livermore, CA
    4.7
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Price Transparency

    Services Offered

    • Service icon Bay Windows
    • Service icon Double-Hung
    • Service icon Glass Showers
    • Service icon Window Replacement/Installation

    Website: https://www.reborncabinets.com/location/livermore/
    Address: 1306 Stealth St a, Livermore, CA 94551
    Phone: (408) 359-4093

    Lafayette Glass Company

    Lafayette, CA
    3.2
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Timely Service

    Services Offered

    • Service icon Mirrors
    • Service icon Glass Showers
    • Service icon Window Replacement/Installation
    • Service icon Energy-Efficient Options
    • Service icon Custom Glass
    • Service icon Window Repair
    • Service icon Glass Doors

    Website: http://www.lafayetteglasscompany.com/
    Address: 3375 Mount Diablo Blvd, Lafayette, CA 94549
    Phone: (925) 284-9510

    Bestoff Windows & Construction

    Concord, CA
    3.1
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Free assessment
    • Pros icon Timely Service
    • Pros icon Good Customer Service
    • Pros icon Educational Website

    Services Offered

    • Service icon Vinyl Frames
    • Service icon Glass Doors
    • Service icon Metal Frames
    • Service icon Window Replacement/Installation

    Website: https://www.bestoffwindows.com/
    Address: 1000 Detroit Ave Suite "S, Concord, CA 94518
    Phone: (925) 457-9026

    Dan's Glass Inc

    Concord, CA
    3.5
    ★★★★★
    • Pros icon Timely Service
    • Pros icon Good Customer Service
    • Pros icon Price Transparency
    • Pros icon Educational Website

    Services Offered

    • Service icon Window Repair
    • Service icon Glass Showers
    • Service icon Bay Windows
    • Service icon Mirrors
    • Service icon Window Replacement/Installation
    • Service icon Glass Doors
    • Service icon Glass Repair

    Website: https://www.dansglassinc.com/
    Address: 1600 Concord Ave, Concord, CA 94520
    Phone: (925) 827-4173

    Bay Home & Window

    Pleasanton, CA
    4.1
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Price Transparency
    • Pros icon Educational Website

    Services Offered

    • Service icon Bay Windows
    • Service icon Window Replacement/Installation
    • Service icon Custom Window Designs

    Website: https://www.bayhomeandwindow.com/
    Address: 40 California Ave Suite H, Pleasanton, CA 94566
    Phone: (925) 846-3400

    Rojas Construction and Remodeling, Inc.

    Walnut Creek, CA
    3.0
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Good Customer Service
    • Pros icon Timely Service

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://www.rojasremodel.com/
    Address: 2072 Essenay Ave, Walnut Creek, CA 94597
    Phone: (925) 584-6911

    Pella Windows & Doors of Northern California

    Hayward, CA
    4.5
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Good Customer Service
    • Pros icon Price Transparency
    • Pros icon Educational Website

    Services Offered

    • Service icon Wood Frames
    • Service icon Bay Windows
    • Service icon Glass Doors
    • Service icon Window Replacement/Installation
    • Service icon Double-Hung

    Website: https://www.pellabranch.com/northern-california/showrooms/hayward/
    Address: 2251 Claremont Ct, Hayward, CA 94545
    Phone: (844) 537-3552

    Custom Exchange Windows

    Pleasanton, CA
    3.1
    ★★★★★
    • Pros icon Timely Service
    • Pros icon Price Transparency
    • Pros icon Good Customer Service
    • Pros icon Educational Website
    • Pros icon Free assessment

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Bay Windows
    • Service icon Glass Doors
    • Service icon Energy-Efficient Options

    Website: http://www.customexchangeinc.com/
    Address: 6873 Herrin Ct, Pleasanton, CA 94588
    Phone: (855) 225-6999

    East County Glass & Window, Inc.

    Pittsburg, CA
    4.7
    ★★★★★
    • Pros icon Educational Website

    Services Offered

    • Service icon Bay Windows
    • Service icon Mirrors
    • Service icon Window Replacement/Installation
    • Service icon Glass Doors
    • Service icon Glass Showers

    Website: http://www.ecglass.com/
    Address: 441 E 10th St, Pittsburg, CA 94565
    Phone: (925) 432-1433

    Sears Heating and Air Conditioning

    Livermore, CA
    4.1
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Good Customer Service
    • Pros icon Free assessment

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Energy-Efficient Options

    Website: https://www.searshomeservices.com/locations/hi/hvac/ca/livermore
    Address: 283 E Airway Blvd, Livermore, CA 94551
    Phone: (925) 255-1593

    Mr Window Replacement

    Fremont, CA
    5.0
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Free assessment
    • Pros icon Good Customer Service
    • Pros icon Educational Website

    Services Offered

    • Service icon Bay Windows
    • Service icon Vinyl Frames
    • Service icon Window Replacement/Installation

    Website: http://www.mrwindowreplacement.com/
    Address: 4053 Nicolet Ave, Fremont, CA 94536
    Phone: (707) 294-8507

    Luxe Concepts Windows & Glass

    San Leandro, CA
    3.0
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Mirrors
    • Service icon Glass Showers
    • Service icon Glass Doors
    • Service icon Window Replacement/Installation

    Website: https://www.luxeconceptsinc.com/
    Address: 2193 E 14th St, San Leandro, CA 94577
    Phone: (510) 346-2662

    Action Glass, Inc

    Concord, CA
    3.1
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Good Customer Service
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Glass Showers
    • Service icon Glass Repair

    Website: http://www.actionglassca.com/
    Address: 1301 Galaxy Way, Concord, CA 94520
    Phone: (925) 687-9000
    Danville Window Cost Calculator

    Calculate how much you can expect to pay for window installation and replacement in Danville, CA using our customized window cost calculator.

    Estimated Window Cost:
    161 homeowners have requested a free estimate in the last 3 days.

    Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.

    How Installing Energy-Efficient Windows in Danville Saves You Money

    Upgrading to energy-efficient windows can improve the comfort of your home and help you save on energy bills. Here's more information on how switching out your windows could help you:

    • Protect your investment: Upgrading and repairing your windows is an important part of maintaining your property and its real estate value, especially if you have an older home.
    • Save on power bills: Because energy-efficient windows decrease the amount of energy used to heat or cool your home, the switch can help you save around $579 annually on your energy bills in Danville.
    • Reduce your carbon footprint: Since energy-efficient windows improve the insulation in your home, you can lower your indirect greenhouse gas emissions by about 12%, according to Energy Star.
    • Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out harmful UV rays, reducing fading of your furniture, carpet and other valuables.

    Estimated Cost of Window Replacement in Danville

    Each window installation company provides various services and has varying price points depending on a few factors.

    How Much Do New Windows Cost?

    Generally, homeowners in Danville can expect that most window installations will range from $250 to $1,200, with the average cost at around $600. But costs will vary significantly depending on the quality of your products, your location, the number of windows you need and the current condition of your home. A lot of window companies also offer door installations and other add-ons like baths, coating, shutters and more. These extra services will increase overall project costs.

    With windows, efficiency is the most important factor for many homeowners. Windows with higher efficiency may cost more initially, but by increasing the efficiency of your home — especially if you live in a hot climate — they can provide many years of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Danville homeowners $579+ a year after replacing single-pane windows.

    Getting free quotes from several installers is the best way to figure out which one will work best for your budget.

    What Services do Window Installers Offer?

    In general, there are two kinds of window replacement services you can get: full-frame and pocket installations.

    Full-frame installations are necessary when you want a new style or your window has a lot of deterioration. With this service, your professionals will replace the full window, including the trim, frame and sill. Pocket installations (or retrofits) entail replacing a window within the existing frame, which makes pocket installations less labor-intensive and costly. However, if the frame has any rot or deterioration, you should opt for a full-frame installation instead.

    Your window installation company should be able to help you figure out what’s best for your needs. In Danville, the decision will mostly depend on the age of your home and if there’s any moisture damage. Wood can decay if not properly maintained over the years, so it’s good to have a professional assess your frames and window sills.

    Best Availability

    Renewal by Andersen

    ★★★★★
    4.5
    • Great industry reputation
    • Member of US Green Building Council
    • Manufactures products in-house
    Buy One Window, Get One 40% OFF
    Get Estimate

    Best Energy-Efficient Features

    Champion

    ★★★★★
    4.5
    • Many years of experience
    • Low prices relative to competitors
    • Limetime warranty
    Buy 2 Windows, Get 2 Free
    Get Estimate

    Power Home

    ★★★★★
    4.5
    • Uses eco-friendly materials
    • Well-trained, certified installers
    • Lifetime or lengthy warranty
    Next-Day Appointments Available
    Get Estimate

    How We Choose the Best Window Installers in Danville

    EcoWatch is different from most reviewers since we look at these companies through a sustainability lens. We’ve reviewed the top window replacement companies in Danville primarily based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows can lower energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

    Service Area

    This one is self-explanatory, but we’ve chosen to highlight window installers that serve Danville so you can find the right window installation company near you.

    Work Quality

    When it comes to new windows, the quality and breadth of services often plays just as important of a role in overall efficiency and performance as the brand you opt for. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

    Customer Reviews

    Another self-explanatory yet very important review factor is customer feedback. If the majority of customers don’t have good feedback about their experience with a certain company, you won’t see it featured on EcoWatch.

    Cost

    Cheaper windows certainly don’t mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing the prices of providers, we gave higher scores to companies with reasonable prices and accessible financing rather than “cheaper” services.

    Warranty

    As discussed previously, windows are a substantial investment, so you’ll want to be certain that investment is protected. Window installation companies that give you lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

    Years of Experience

    Lastly, we like to see companies that have a good track record in the industry. Window installers that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.

    Danville, CA Window Replacement FAQs

    How much should a window install cost?

    The average cost to install a single window can range from $450 to $650. There are several factors that influence how much it costs, which include the materials used in designing the windows, the number of windows, styles and sizes of windows, your property’s location, how energy-efficient the windows are and local labor costs.

    Which type of window should I get?

    Generally, double-pane windows will be more efficient than single-pane windows and windows that do not open are more efficient than windows that do. To be sure you’re getting the most energy-efficient windows, look for models with the blue Energy Star certification attached to them — this means they’re certified energy-efficient by the U.S. Department of Energy.

    What services do window installation companies do?

    Window installers will do the entire process — from replacing your old windows with brand-new ones to cleaning up after the windows have been put in place. In addition, some companies offer window manufacturing, customization and repairs.

    When is the best time of year to replace windows?

    Replacement windows can be installed during any season, but autumn might be best. Regardless of when you install them, the contractors will take steps to ensure that too much hot or cold air doesn’t get into your house, so the temperature outside isn’t necessarily a big factor. What’s more important than the temperature is that the weather should be dry.

    How long does it take to install windows?

    Since a window takes about 30 minutes to install, about 16 windows can be installed during a typical 8-hour work day.