20 Best Window Companies in California, PA (2023 Reviews)
When the time comes to replace your windows, our guide to the best window installation companies can help you find the right provider for you.
We analyzed all the top-rated window companies in California and selected the best 20 based on:
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Customer reviews
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Window installation expertise
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Popularity with home-owners like you
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Updated September 15, 2023
Why you can trust EcoWatch
A guide on the top window installation companies in California may not seem like the most compelling article on EcoWatch, but trust us, windows have more of an impact on your life than you might realize. During the winter months, the last thing you want is your heat to leak out of your drafty windows.
That's also bad news for the environment because the extra energy required by damaged windows increases your carbon footprint.
Because windows are so important for your home, selecting the right company for you is a big choice to make. That's why the EcoWatch team has put together this list of the best window installation companies, so you can more easily make an informed decision.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
Best Window Installation & Replacement Companies in California
The EcoWatch team assessed dozens of installers in California to find the top ones for our readers. The installers in this article scored the best in our review categories, which include energy-efficient offerings, availability, local expertise, price, customer service and more.

Window World
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EnergyStar Partner
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Large serice area
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Low prices relative to competitors
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Great industry reputation
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Lifetime warranty
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Quality of service will depend on your area
Window World offers windows expertise in California. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has 27 years of experience in the windows business, and it has become one of the best companies in the business. Its reputation is backed by many positive reviews from customers online.
You may want to consider going with Window World if you're looking for 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 WindowsWindow World is an Energy Star partner and has 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 make sure to ask your Window World representative when inquiring about services.
How much does Window World cost in California?Prices aren’t listed on Window World’s website, but it's known for offering some of the most affordable window installations around. You can request a free quote on its website for more information about pricing.

Renewal by Andersen
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Great industry reputation
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Award-winning company
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Member of US Green Building Council
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Manufactures products in-house
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No lifetime warranty
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More expensive than competition
Renewal by Andersen offers the best availability in California. Andersen has about 27 years of experience in the window replacement business.
Andersen may be the company for you if you want one 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 WindowsRenewal by Andersen offers some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want high-quality Energy Star windows when inquiring. 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 California?Pricing details are not available on Andersen’s website because the cost of window replacement varies greatly depending on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. You can ask for a free quote on its website for more information about the cost.

Aeroseal Windows
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Many years of experience
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Great industry reputation
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Low number of customer complaints
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Manufactures products in-house
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Custom Designs
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No lifetime warranty
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Not ideal for residential installations
Aeroseal Windows offers the best window installation for businesses in California. It's an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. This window installation company has been operating since 1999 and currently serves 13 states and Washington D.C. The provider has hundreds of positive reviews from customers online.
It has established itself as a company that installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. The company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.
How much does Aeroseal Windows cost in California?Aeroseal doesn’t have any cost information displayed on its website, but it provides high-quality windows at a competitive price point. The best way to get more accurate information is to get a free quote from the company.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct offers the best warranty in California. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This company has 20 years of experience in the windows business, and it has become one of the best companies in the business. Its reputation is backed by many positive reviews from customers online.
You may want to consider going with Universal if you're looking for a installer that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct is an Energy Star partner and has 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 make sure to ask your Universal representative when inquiring about services.
How much does Universal Windows Direct cost in California?Prices aren’t listed on Universal’s 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. You can request a free quote on its website for more information about pricing.

Window Nation
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Award-winning company
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Manufactures products in-house
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Custom designs
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Wide variety of products and services
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Installation not covered by warranty
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Limited service area
Window Nation offers the best residential windows in California. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has 16 years of experience in the windows business, and it has become one of the best companies in the business. Its reputation is backed by many positive reviews from customers online.
You may want to consider going with Window Nation if you're looking for a installer that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsWindow Nation is an Energy Star partner and has 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 make sure to ask your Window Nation representative when inquiring about services.
How much does Window Nation cost in California?Prices aren’t listed on Window Nation’s website, but based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. You can request a free quote on its website for more information about pricing.
We've recommended companies with good reputations, but keep in mind these are national companies, so your service may vary depending on your local crew. We have tried to stay unbiased and transparent by describing pros and cons for every company we reviewed.
More Window Companies in California
Renewal by Andersen of Pittsburgh
Canonsburg, PA-
Free assessment
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Price Transparency
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Educational Website
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Good Customer Service
Services Offered
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Window Replacement
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Bay Windows
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Residential Windows
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Glass Showers
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Commercial Windows
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Stained Glass
Window World of Pittsburgh
Pittsburgh, PA-
Good Customer Service
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Timely Service
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Educational Website
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Free assessment
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Price Transparency
Services Offered
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Double-Hung
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Glass Showers
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Residential Windows
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Sliding Glass
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Custom Window Designs
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Commercial Windows
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Fast Delivery
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Energy-Efficient Options
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Window Repair
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Window Replacement
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Bay Windows
Window Nation
Imperial, PA-
Free assessment
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Educational Website
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Good Customer Service
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Price Transparency
Services Offered
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Double-Hung
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Energy-Efficient Options
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Sliding Glass
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Residential Windows
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Custom Window Designs
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Stained Glass
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Window Replacement
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Bay Windows
Belle Vernon Entrance Door & Window Co.
Belle Vernon, PA-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Glass Showers
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Custom Window Designs
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Window Replacement
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Residential Windows
HomePro Remodelers
Finleyville, PA-
Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Residential Windows
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Window Replacement
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Commercial Windows
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Glass Showers
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Aluminum Window Frames
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Custom Window Designs
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Full-Service Installations
Pella Windows & Doors of McMurray
McMurray, PA-
Price Transparency
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Educational Website
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Free assessment
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Good Customer Service
Services Offered
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Commercial Windows
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Window Replacement
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Residential Windows
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Bay Windows
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Double-Hung
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Sliding Glass
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Custom Window Designs
Buccos Roofing
Bethel Park, PA-
Price Transparency
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Free assessment
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Good Customer Service
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Educational Website
Services Offered
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Commercial Windows
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Residential Windows
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Custom Window Designs
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Fast Delivery
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Window Replacement
Metropolitan Window Company
Pittsburgh, PA-
Educational Website
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Free assessment
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Good Customer Service
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Price Transparency
Services Offered
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Commercial Windows
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Custom Window Designs
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Energy-Efficient Options
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Residential Windows
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Bay Windows
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Double-Hung
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Window Replacement
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Sliding Glass
Stanek Windows
Pittsburgh, PA-
Price Transparency
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Educational Website
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Free assessment
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Good Customer Service
Services Offered
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Custom Window Designs
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Double-Hung
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Window Replacement
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Energy-Efficient Options
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Residential Windows
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Sliding Glass
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Commercial Windows
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Bay Windows
Specialty Window & Door
West Homestead, PA-
Free assessment
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Educational Website
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Good Customer Service
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Price Transparency
Services Offered
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Sliding Glass
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Window Replacement
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Custom Window Designs
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Residential Windows
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Double-Hung
Legacy Remodeling
Pittsburgh, PA-
Free assessment
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Price Transparency
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Educational Website
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Good Customer Service
Services Offered
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Window Replacement
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Energy-Efficient Options
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Residential Windows
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Glass Showers
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Full-Service Installations
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Custom Window Designs
Windows Pittsburgh
220 Shady Knoll Dr Suite 2, PA-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
Services Offered
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Window Replacement
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Double-Hung
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Energy-Efficient Options
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Bay Windows
Excel Glass Co Inc
Jeannette, PA-
Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Full-Service Installations
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Custom Window Designs
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Window Replacement
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Commercial Windows
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Glass Showers
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Residential Windows
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Double-Hung
Integrity Construction and Windows, Inc.
Greensburg, PA-
Free assessment
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Educational Website
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Price Transparency
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Good Customer Service
Services Offered
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Window Replacement
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Residential Windows
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Stained Glass
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Energy-Efficient Options
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Custom Window Designs
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Full-Service Installations
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Sliding Glass
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Aluminum Window Frames
Pella Windows & Doors of Monroeville
PA-48, PA-
Educational Website
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Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Bay Windows
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Commercial Windows
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Residential Windows
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Double-Hung
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Sliding Glass
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Window Replacement
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Custom Window Designs
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Fast Delivery
Windows R Us
Pittsburgh, PA-
Price Transparency
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Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Residential Windows
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Custom Window Designs
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Window Replacement
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Double-Hung
West Shore Home
Pittsburgh, PA-
Educational Website
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Good Customer Service
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Price Transparency
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Free assessment
Services Offered
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Window Replacement
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Double-Hung
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Glass Showers
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Commercial Windows
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Custom Window Designs
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Residential Windows
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Sliding Glass
Mt Pleasant Window & Remodeling Co.
Export, PA-
Educational Website
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Bay Windows
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Residential Windows
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Custom Window Designs
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Fast Delivery
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Glass Showers
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Double-Hung
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Window Replacement
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Sliding Glass
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Full-Service Installations
Energy Swing Windows
Monroeville, PA-
Timely Service
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Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Sliding Glass
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Window Replacement
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Custom Window Designs
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Double-Hung
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Fast Delivery
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Residential Windows
Joyce - America's Factory Direct Home Improvement Company
Pittsburgh, PA-
Educational Website
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Free assessment
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Good Customer Service
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Price Transparency
Services Offered
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Glass Showers
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Window Replacement
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Custom Window Designs
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Bay Windows
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Sliding Glass
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Residential Windows
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Energy-Efficient Options
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Fast Delivery
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Double-Hung
Calculate how much you can expect to pay for window installation and replacement in California, PA using our customized window cost calculator.
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 California Saves You Money
Energy-efficient windows can benefit you in more than one way. Here are some reasons you may want to make the switch:
- Reduce your carbon footprint: Reducing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 467 pounds per year on average.
- Protect your investment: If you have a relatively old home, your windows are most likely in need of replacement. Upgrading your windows can make your home more comfortable and also help raise the value of your home if you decide to sell.
- More efficient energy usage in your household: In California where the winters can be very cold, energy-efficient windows reduce how much heat is lost through your windows, making it easier to keep your home warm.
- Better temperature control in your home: When you live in a place like California where the summers can get quite hot, you usually need to rely on your air conditioner to keep your home cool. Energy-efficient windows can lower how hard your AC needs to work to cool your home.
Estimated Cost of Window Replacement in California
Let's take a look at the cost of window replacement and the types of services you may need for your home.
How Much Do New Windows Cost?
Typically, homeowners in California can anticipate that most replacement window installations will range from $250 to $1,200, with the average cost sitting at about $600. This is because window installations are based on a variety of factors specific to your home, like the size, material and number of windows you need to replace, as well as where your property is located.
It's also worth keeping in mind that energy-efficient windows will typically cost more upfront, but Energy Star predicts that upgrading the windows on your California home can mean an average energy savings of $236 to $319 per year for single-pane window replacement, or between $87 to $126 per year for double-pane windows. The amount of money you'll save by switching to energy-efficient windows varies based on your local climate, energy rates and other factors unique to your home.
We advise requesting free quotes from several window installers to find the right windows and the company that works best for your budget.
What Services do Window Installers Offer?
When it comes to window replacements, in general there are two types that your installer will have: full-frame and pocket installations.
A full-frame installation replaces the entire window, such as the windowsill, 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 (or retrofits) entail installing a new window within its existing frame, which makes pocket installations take less time and therefore cost less. However, if the frame has any damage or rot, you will likely need a full-frame installation instead.
If you're unsure which window installation service you need, your installer can advise you. In general, the choice depends on factors such as the age and condition of the home, the type of building material, budget and time restrictions.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
How We Choose the Best Window Installers in California
In our search to find the most reliable, eco-friendly window installers in California, the EcoWatch Reviews team chose the above companies as the top window installation companies in the city. We've decided to evaluate the top window installers in California mostly based on their energy efficient offerings, as it's what's best for the environment and for you as a homeowner. Energy Star certified windows can lower electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology is based on the following factors:
Service Area
This one is pretty self-explanatory, but we've chosen to highlight window installation companies that serve California so you can find a quality window installation company near you.
Work Quality
We're certain that you're looking for professionals who do a great job installing windows. We've vetted each company on this list to make sure its technicians are well-qualified and that the company has received a lot of positive customer feedback to vouch for its service.
Customer Reviews
Another self-explanatory yet super important review factor is customer feedback. If the majority of customers don't have positive things to say about their service from a certain installer, it won't be featured on EcoWatch.
Cost
This one is a give-and-take: similar to most services, cheap window companies may not provide the most quality service. Still, we want to make sure we're highlighting companies that provide a range of price and financing options so they're accessible to most homeowners.
Warranty
As discussed previously, windows are a considerable investment, so you'll want to be certain that investment is well protected. Window installation companies that have lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have a good track record in the industry. Window installation companies 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.
California, PA Window Replacement FAQs
What is the average cost to replace windows in a home?
The national average cost of installing one window is about $600 but can range from $200 to $1,200, based on several factors. The price is generally influenced by the type and material of the window, the location of your property and the size of the window. Also, keep in mind that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.
What type of window is the most energy-efficient?
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'll have the most energy-efficient windows, look for models with the blue Energy Star certification — that means they're certified energy-efficient by the U.S. Department of Energy.
What do window installers do?
Window installation professionals go to your property to remove your old windows and replace them with new ones. Some providers install products distributed by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation.
How long does it typically take to install windows?
Since a window takes about 30 minutes to install, around 16 windows can be installed in an 8-hour work day.