20 Best Window Companies in Azusa, CA (2025 Reviews)

When the time comes to replace your windows, our guide to the best window installation companies can help you find the provider for you.

We analyzed all the top-rated window companies in Azusa 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 January 24, 2025

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 review of the best window installation companies in Azusa may not seem like the most compelling article on EcoWatch, but trust us, windows impact your life more than you might realize. The Department of Energy estimates that heat gained or lost through traditional or outdated windows could be responsible for close to 30% of heating and cooling use. In Azusa, where the electric bills are an average of $25 per month, that’s almost $$91 per year wasted.

That’s not great for either your wallet or the environment, but one of the best window installation companies can help with that.

Because windows are so important for your home, selecting the best company for you is a big choice to make. That’s why the EcoWatch team has curated this list of the top window installation companies, so you can more easily make an informed decision.

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Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
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 for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Window Installation & Replacement Companies in Azusa

The EcoWatch Reviews team examined dozens of installers across the country to find the best window installation companies for our readers. The installers we’ve mentioned in this article passed our review standards for energy-efficient offerings as well as price, customer service, local expertise and beyond.

Renewal by Andersen logo
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 has the best availability in Azusa. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been operating since 1995 and currently serves nearly every state except Mississippi and West Virginia.

It 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 is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to mention that you want energy-efficient windows to your Andersen representative when inquiring about services.

How much does Renewal by Andersen cost in Azusa?

Prices aren’t listed on Andersen’s website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Getting a free quote on its website is the best way to get more accurate information.

Window World logo
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 has windows expertise in Azusa. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been operating since 1995 and currently serves 200 locations nationwide.

It 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 is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to mention that you want energy-efficient windows to your Window World representative when inquiring about services.

How much does Window World cost in Azusa?

Prices aren’t listed on Window World’s website, but it's known for offering some of the most affordable window installations around. Getting a free quote on its website is the best way to get more accurate information.

Milgard Windows & Doors logo
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 has the best local installation in Azusa. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. This company has been operating since 1962 and currently serves Anaheim, Riverside, Los Angeles, San Bernardino and Orange counties.

It 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 is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to mention that you want energy-efficient windows to your Milgard representative when inquiring about services.

How much does Milgard Windows & Doors cost in Azusa?

Prices aren’t listed on Milgard’s website, but it offers different kinds of windows at varying price points. Getting a free quote on its website is the best way to get more accurate information.

We strive to remain unbiased and transparent by describing pros and cons for every company we review. Additionally, our rankings are not influenced by any partnerships.

More Window Companies in Azusa

Renewal by Andersen of Los Angeles

Torrance, CA
4.7
★★★★★
  • Pros icon Free assessment
  • Pros icon Financing options available
  • Pros icon 31,000+ projects completed
  • Pros icon In-home or virtual consultations
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

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

Website: https://www.renewalbyandersen.com/window-company/088-los-angeles-ca/about-us
Address: 18700 Crenshaw Blvd, Torrance, CA 90504
Phone: (310) 214-2222

Hometime Windows & Doors

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

Services Offered

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

Website: https://www.hometimewindows.com/
Address: 859 E Rte 66 Suite A, Glendora, CA 91740
Phone: (626) 618-8557

SoCal Window Pros

San Dimas, CA
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: https://socalwindowpros.com/
Address: 482 W Arrow Hwy Unit A, San Dimas, CA 91773
Phone: (909) 394-7777

Dede Windows and Doors / window replacement

Anaheim, CA
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon American-made vinyl
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Energy-efficient windows and doors
  • Pros icon Educational Website
  • Pros icon Educational website

Services Offered

  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Vinyl Frames

Website: https://www.dedewindows.com/
Address: 1196 Osprey Cir, Anaheim, CA 92807
Phone: (714) 468-5998

United Builders Windows & Doors

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

Services Offered

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

Website: https://unitedbuilders.info/
Address: 13238 White Fir Ct, Rancho Cucamonga, CA 91739
Phone: (909) 969-8976

Andes windows & doors

Norco, CA
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Online portfolio
  • Pros icon Offers window treatments
  • Pros icon Spanish-speaking

Services Offered

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

Website: http://andeswindows.com/
Address: 1665 Third St C, Norco, CA 92860
Phone: (951) 268-6611

Retro Windows and Patio Doors LLC

Fontana, CA
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Lifetime warranty
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Energy-efficient windows and doors
  • Pros icon Family-owned and operated
  • Pros icon Educational Website

Services Offered

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

Website: http://www.retrowindowsanddoors.com/
Address: 9590 Catawba Ave, Fontana, CA 92335
Phone: (909) 500-4845

Harbor Construction

Huntington Beach, CA
5.0
★★★★★
  • Pros icon Timely Service
  • 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 Glass Doors
  • Service icon Vinyl Frames
  • Service icon Double-Hung
  • Service icon Bay Windows
  • Service icon Energy-Efficient Options

Website: http://harborconstruction.com/
Address: 15154 Transistor Ln, Huntington Beach, CA 92649
Phone: (888) 882-2247

Smart Window Company

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

Services Offered

  • Service icon Tempered Glass
  • Service icon Vinyl Frames
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Energy-Efficient Options
  • Service icon Double-Hung

Website: https://smartwindowcompany.com/
Address: 2291 W 205th St Suite 106-A, Torrance, CA 90501
Phone: (310) 946-3697

California Window & Solar

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

Services Offered

  • Service icon Glass Doors
  • Service icon Metal Frames
  • Service icon Vinyl Frames
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: https://www.cgwindow.com/
Address: 2915 Red Hill Ave b104, Costa Mesa, CA 92626
Phone: (714) 434-8650

Discount Window And Door

Redondo Beach, CA
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Vinyl Frames
  • Service icon Glass Doors
  • Service icon Skylights
  • Service icon Window Replacement/Installation
  • Service icon Metal Frames

Website: https://discountwd.com/
Address: 2202 Artesia Blvd, Redondo Beach, CA 90278
Phone: (424) 610-9098

Mancino Door & Window, Inc.

Glendora, CA
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation

Website: https://www.mdwdoors.com/
Address: 605 E Rte 66, Glendora, CA 91740
Phone: (626) 334-2525

Energy Core Construction

Anaheim, CA
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

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

Website: https://energycore.net/
Address: 1241 N Lakeview Ave suite h, Anaheim, CA 92807
Phone: (866) 933-2218

Best Windows and Doors OC

Anaheim, CA
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Vinyl Frames
  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors

Website: https://bestwindowsanddoorssoutherncalifornia.com/
Address: 1550 S Sunkist St Unit K1, Anaheim, CA 92806
Phone: (714) 559-3454

TMC Windows & Doors

Orange, CA
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.tmcenterprises.com/
Address: 1330 N Glassell St J Suite J, Orange, CA 92867
Phone: (714) 515-1226

Save-On Glass & Screen

Westminster, CA
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Timely Service

Services Offered

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

Website: http://www.save-on-glass.com/
Address: 7793 Westminster Blvd., Westminster, CA 92683
Phone: (714) 893-4275

Golden Age Builders

West Hollywood, CA
4.9
★★★★★
  • Pros icon 3D design and planning tool
  • Pros icon Unique window options
  • Pros icon In-home consultations
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement/Installation

Website: https://newgoldenagebuilders.com/
Address: 8265 Sunset Blvd # 205, West Hollywood, CA 90046
Phone: (310) 750-4551

Can-Do Windows & Doors

Santa Ana, CA
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Doors
  • Service icon Energy-Efficient Options
  • Service icon Double-Hung
  • Service icon Fiberglass Frames
  • Service icon Wood Frames
  • Service icon Vinyl Frames
  • Service icon Window Replacement/Installation
  • Service icon Metal Frames

Website: https://www.candoremodeling.com/
Address: 1241 E Warner Ave, Santa Ana, CA 92705
Phone: (714) 752-3407

Window King

Huntington Beach, CA
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Glass Doors
  • Service icon Energy-Efficient Options
  • Service icon Double-Hung

Website: https://www.windowkingla.com/
Address: 419 Main St Suite B, Huntington Beach, CA 92648
Phone: (562) 372-0219

Ameristar Windows

Riverside, CA
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Glass Doors
  • Service icon Vinyl Frames
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options
  • Service icon Glass Showers

Website: https://www.ameristarwindows.com/
Address: 3453 Chicago Ave, Riverside, CA 92507
Phone: (951) 354-2711
Azusa Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Azusa, 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 Azusa Saves You Money

By switching to energy-efficient windows, you can enjoy several benefits, including:

  • Decrease your carbon footprint: Decreasing how much energy you use also lowers your carbon emissions. You could reduce it by about 117 pounds.
  • Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
  • Save on energy bills: Upgrading to energy-efficient windows lowers your energy bills by about 12% since you use less energy.
  • Protect your investment: The older your home is, the more likely it is that getting new windows will benefit you. Older homes usually have windows that are outdated, drafty or maybe even damaged in some way. Updating your windows could help increase the value of your property if you decide to sell.

Estimated Cost of Window Replacement in Azusa

Windows come in varying shapes and sizes, so costs and services will differ tremendously. Here are the average costs and services that you’ll find from window installation companies.

How Much Do New Windows Cost?

On average, homeowners in Azusa can expect that most window installations will range from $250 to $1,200, with the most common installations sitting at about $600. These amounts vary based on specific characteristics of your installation, including the location of your home, size, type, material, number of windows and more.

Whether or not you want energy-efficient windows is another factor that will determine the cost. These will typically cost more than other windows, but on the other hand, you can save about $509 a year on your energy bills in Azusa.

Costs will also vary depending on the material you want for your window frames. Aluminum frames have the lowest price. They’re sturdy, light and maintenance-free, but offer poor insulation. Vinyl frames are somewhat expensive and offer good insulation. Composite frames made with wood fibers encased in plastic also offer good insulation and are moderately expensive. Wood frames are the most expensive and are the most in-demand. They’re also aesthetically pleasing and provide decent insulation for your home.

What Services do Window Installers Offer?

In regard to window replacements, there are generally two kinds that your installer will offer: full-frame and pocket installations.

A full-frame installation replaces the full window, such as the sill, frame, trim and the window panes. Because this kind of installation is more involved, it will be more expensive than a pocket installation. Pocket installations are simpler and won’t carry as large a bill, as they involve merely replacing the window within its existing frame. But if the frame has any damage or deterioration, you may have to get a full-frame installation instead.

If you’re unsure which kind of window installation service you need, your installer should be able to advise you. In general, the choice is based on factors like the age and condition of the home, the type of building material, budget and time restrictions.

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Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
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 for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

How We Choose the Best Window Installers in Azusa

In our search to find the most reliable, eco-friendly window installers in Azusa, the EcoWatch team assessed many companies before deciding on these. We have evaluated the top window replacement companies in Azusa primarily based on their energy efficient offerings, as it’s the most sustainable option and the best one for homeowners. Energy-efficient windows have been shown to lower electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

This one is pretty self-explanatory, but we’ve chosen to highlight window installation companies that serve a wide variety of states and cities so you can find the best window installation company near you.

Work Quality

We’re certain that you’re not looking for a company to do a shoddy job installing windows. We’ve vetted each company in our guide to ensure its technicians are well-qualified and that the company has gotten lots of positive customer feedback to vouch for its service.

Customer Reviews

We analyzed patterns in recent online reviews to determine the companies with the most customer satisfaction. Customer satisfaction might be the most important factor, as it indicates the quality of services across nearly every category, including professionalism, quality of installation, warranty, quality of parts, cost and more.

Cost

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

Warranty

Protecting your investment in new windows is important. For that reason, window installation companies that offer lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Last but not least, we like to see companies that have been in the industry for a while. Window installers that have more years of experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.

Azusa, CA Window Replacement FAQs

How much does a window install cost?

The national average cost to replace a single window is about $600 but can range between $200 and $1,200, based on a variety of factors. The price is generally influenced by the location of your property, the size of the window and the type and material of the window. Also, remember that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.

Which kind of window should I get?

Generally, double-pane windows are more efficient than single-pane windows and windows that don’t open will be more efficient than windows that do. To be sure you’ll get the most energy-efficient windows, look for models that have 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 replacement companies do?

Window installers cover the entire process — from replacing old windows with new ones to cleaning up after the windows have been put in place. In addition, a lot of companies offer window manufacturing, customization and repairs.

How often should you replace windows?

Windows have a typical lifespan of about 20 to 30 years. If your windows are older than that, then they probably need to be replaced. Other than that, if your windows have damage anywhere on them, or they have become difficult to operate, they may be in need of replacement.

Should I replace my windows all at once?

If you’re upgrading your windows to save on your energy bills, replacing all of your windows at the same time is the only way to see a noticeable difference. On the other hand, if you have only a few windows that are damaged or leaky, you can replace just those.