29 Best Window Replacement Companies in California, PA (Mar 2023)
Window Companies Near Me
When it's time to upgrade your windows, our list of the best window installation companies can help you find the right provider for you.
We analyzed all the top window installers in California and selected the top 29 based on:
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Customer reviews
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Window replacement expertise
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Popularity with home-owners like you
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Updated March 14, 2023
Why you can trust EcoWatch
A guide on the best window replacement companies in California may not seem like the most compelling article on the EcoWatch site, but trust us, windows have a more direct 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 During the winter months, the last thing you want is your heat to leak out of your outdated windows.
That's also bad for the environment because the additional energy required by damaged windows increases your carbon footprint.
So if you're building a new home, renovating or replacing your windows in California, this is the best place to get started.
Best Affordability
Window World
- Lifetime warranty
- EnergyStar Partner
- Large serice area
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Member of US Green Building Council
- More expensive than competition
Best for Businesses
Aeroseal Windows
- Great industry reputation
- Custom Designs
- Many years of experience
- No lifetime warranty
Best Window Replacement Companies in California
The EcoWatch team evaluated several window installation companies across California to narrow our list down to the best ones. The installers mentioned in this article scored the best in our review categories, such as energy-efficient offerings, price, availability, customer service, local expertise and more.

Window World
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Lifetime warranty
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EnergyStar Partner
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Large serice area
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Quality of service will depend on your area
Window World offers windows expertise in California. Window World has around 27 years of experience in the window replacement industry. Its reputation is backed by several positive reviews on customer review websites.
If you're looking for a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital, Window World may be the right provider for you.
Energy Efficiency of Window World WindowsWindow World caters to eco-conscious consumers by providing 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 California?Though prices are not available on Window World's website, it's known for offering some of the most affordable window installations around. If you'd like to know for sure, you can request a quote on the company's website.

Renewal by Andersen
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Great industry reputation
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Manufactures products in-house
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Member of US Green Building Council
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More expensive than competition
Renewal by Andersen has the best availability in California. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has over 27 years of experience in the windows industry, and it currently serves nearly every state except Mississippi and West Virginia. Its reputation is backed by many positive reviews from customers online.
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 WindowsRenewal by Andersen offers some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to ask for 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?While prices are not readily available on Andersen's website, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. You can request a free quote on its website for more information about the cost.

Aeroseal Windows
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Great industry reputation
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Custom Designs
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Many years of experience
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No lifetime warranty
Aeroseal Windows provides 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. Aeroseal has around 23 years of experience in the window replacement sector. Hundreds of positive reviews from customers online back the provider's reputation.
It 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 ask for high-quality 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?Although prices are not available on Aeroseal's website, it provides high-quality windows at a competitive price point. Getting a free quote on its website is the best way to get more accurate pricing information.

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 has 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 industry, and it has established itself as one of the most reputable companies in the business.
Universal may be the company for you if you want one that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThe 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. Not all of Universal's windows are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.
How much does Universal Windows Direct cost in California?Universal doesn't have any prices listed 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. The best way to get more accurate pricing information is to request a free quote from the company.

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 proved to be one of the best companies in the business. Its reputation is backed by many positive reviews on customer review websites.
Window Nation may be the company for you if you want one 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's commitment to sustainability shows in its energy-efficient window offerings. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.
How much does Window Nation cost in California?Pricing details are not available on Window Nation's website because the cost of window installment depends on how many and what type(s) of windows you need. However, 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. If you'd like to know for sure, you can ask for a quote on the company's website.
We strive to remain unbiased and transparent by including pros and cons for each company we review. Additionally, our rankings are not affected by any partnerships.
More Window Replacement Companies in California
Samson Glass & Mirror
Eighty Four, PA-
Educational Website
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No-Hassle Pricing
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Free Quotes
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Reliable Appointment Windows
Services Offered
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Residential Windows
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Heavy Glass
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Fast Delivery
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Tempered Glass
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Stained Glass
Window World of Pittsburgh
Pittsburgh, PA-
No-Hassle Pricing
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Arrives on Time
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Supports Charities
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Dependable Service
Services Offered
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Fast Delivery
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Energy-Efficient Options
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Custom Windows
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Commercial Windows
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Double-Hung
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Sliding Glass
Renewal by Andersen of Pittsburgh
Canonsburg, PA-
Helps Educate Customers
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Reliable Service
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No-fee Quotes
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Reliable Appointment Windows
Services Offered
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Custom Windows
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Business Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay & Bow Windows
Renewal by Andersen of Pittsburgh
Monroeville, PA-
Reliable Service
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No-fee Quotes
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Excellent Customer Service
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Price Transparency
Services Offered
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Custom Window Designs
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Commercial Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay & Bow Windows
Renewal by Andersen of Pittsburgh
Monroeville, PA-
Free Quotes
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Price Transparency
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Locally Recognized for Quality
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Helps Educate Customers
Services Offered
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Custom Window Designs
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Business Windows
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Double-Hung
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Stained Glass
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Sliding Glass
Mt Pleasant Window & Remodeling Co.
Export, PA-
Award-Winning
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Good Customer Service
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Free Quotes
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Helps Educate Customers
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Windows
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Sliding Glass
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Bay & Bow Windows
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Glass Showers
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Energy-Efficient Options
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Architectural Glass
Dun-Rite Window & Door
Pittsburgh, PA-
Award-Winning
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Good Customer Service
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Price Transparency
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Free Quotes
Services Offered
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Full-Service Installations
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Custom Window Designs
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Residential Windows
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Sliding Glass
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Fast Delivery
Residential Glass
Murrysville, PA-
Dependable Service
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Award-Winning
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No-fee Quotes
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Excellent Customer Service
Services Offered
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Residential Windows
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Custom Windows
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Business Windows
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Double-Hung
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Sliding Glass
Lowe's Home Improvement
Greensburg, PA-
Excellent Customer Service
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No-Hassle Pricing
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Timely Service
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Helps Educate Customers
Services Offered
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Energy-Efficient Options
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Custom Windows
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Aluminum Window Frames
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Double-Hung
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Sliding Glass
Nemes Glass Corporation
Irwin, PA-
Free Quotes
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Excellent Customer Service
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Helps Educate Customers
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Price Transparency
Services Offered
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Residential Windows
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Architectural Glass
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Doors
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Custom Windows
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
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Sliding Glass
Legacy Remodeling
Pittsburgh, PA-
Free Quotes
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Good Customer Service
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Educational Website
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Award-Winning
Services Offered
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Residential Windows
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Glass Showers
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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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Double-Hung
Boulevard Glass & Metal Inc.
Pittsburgh, PA-
Good Customer Service
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No-Hassle Pricing
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Helps Educate Customers
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No-fee Quotes
Services Offered
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Full-Service Installations
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Custom Windows
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Residential Windows
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Sliding Glass
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Business Windows
Metropolitan Window Company
Pittsburgh, PA-
No-fee Quotes
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Locally Recognized for Quality
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No-Hassle Pricing
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Helps Educate Customers
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Business Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Energy Swing Windows
Monroeville, PA-
Timely Service
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Reliable Service
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Educational Website
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Award-Winning
Services Offered
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Custom Window Designs
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Sliding Glass
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Double-Hung
Window Nation
Imperial, PA-
Free Quotes
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Helps Educate Customers
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Award-Winning
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No-Hassle Pricing
Services Offered
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Sliding Glass
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Custom Window Designs
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Energy-Efficient Options
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Double-Hung
Stanek Windows
Pittsburgh, PA-
Price Transparency
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Helps Educate Customers
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No-fee Quotes
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Excellent Customer Service
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Business Windows
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Double-Hung
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Sliding Glass
Joyce - America's Factory Direct Home Improvement Company
Pittsburgh, PA-
No-fee Quotes
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Good Customer Service
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Educational Website
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Award-Winning
Services Offered
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Glass Showers
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Energy-Efficient Options
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Custom Windows
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Double-Hung
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Sliding Glass
Zurcher Home Improvements
Pittsburgh, PA-
Price Transparency
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Timely Service
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Educational Website
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Good Customer Service
Services Offered
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Full-Service Installations
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Custom Windows
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Residential Windows
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Sliding Glass
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Aluminum Window Frames
City Wide Windows Inc.
Greensburg, PA-
Price Transparency
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Free Quotes
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Good Customer Service
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Supports Charities
Services Offered
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Residential Windows
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Custom Windows
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Commercial Windows
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Double-Hung
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Bay & Bow Windows
Window Installation Specialists
Pittsburgh, PA-
Free Quotes
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Price Transparency
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Educational Website
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Award-Winning
Services Offered
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Custom Window Designs
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Architectural Glass
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Business Windows
West Shore Home
Pittsburgh, PA-
No-Hassle Pricing
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Good Customer Service
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No-fee Quotes
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Helps Educate Customers
Services Offered
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Glass Showers
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Architectural Glass
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Energy-Efficient Options
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Custom Window Designs
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Double-Hung
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Sliding Glass
Pittsburgh Window & Door Co
100 Evergreen Rd, PA-
No-fee Quotes
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Good Customer Service
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Award-Winning
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Helps Educate Customers
Services Offered
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Aluminum Window Frames
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Sliding Glass
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Full-Service Installations
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Custom Windows
Windows Pittsburgh
220 Shady Knoll Dr Suite 2, PA-
Educational Website
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No-Hassle Pricing
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No-fee Quotes
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Good Customer Service
Services Offered
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Custom Windows
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Energy-Efficient Options
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Sliding Glass
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Bay & Bow Windows
Pella Windows & Doors of Monroeville
PA-48, PA-
Helps Educate Customers
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No-fee Quotes
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Supports Charities
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Good Customer Service
Services Offered
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Custom Windows
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Architectural Glass
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Sliding Glass
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Double-Hung
West Shore Home
Pittsburgh, PA-
Good Customer Service
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Consistent Workmanship
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No-fee Quotes
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Price Transparency
Services Offered
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Custom Window Designs
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Glass Showers
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Sliding Glass
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Double-Hung
Rex Glass & Mirror
Canonsburg, PA-
Excellent Customer Service
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No-fee Quotes
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No-Hassle Pricing
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Educational Website
Services Offered
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Custom Window Designs
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Sliding Glass
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Commercial Windows
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Double-Hung
Pella Windows & Doors of Morgantown
Morgantown, WV-
Price Transparency
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Helps Educate Customers
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Excellent Customer Service
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Free Quotes
Services Offered
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Custom Window Designs
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Aluminum Window Frames
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Sliding Glass
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Double-Hung
Sinay Roofing LLC
Morgantown, WV-
No-fee Quotes
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Good Customer Service
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Reliable Appointment Windows
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Helps Educate Customers
Services Offered
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Custom Windows
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Residential Windows
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Business Windows
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Double-Hung
Rex Glass & Mirror
Pittsburgh, PA-
Educational Website
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Good Customer Service
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Locally Recognized for Quality
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Price Transparency
Services Offered
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Custom Windows
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Sliding Glass
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Commercial Windows
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Double-Hung
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: You can reduce your carbon footprint by about 12% after you install Energy Star certified windows. In California, that's about 467 pounds per year on average.
- Save on energy bills: Since energy-efficient windows lower how much energy you need to heat or cool your home, the switch can help you save about $313 annually on your energy bills in California.
- Protect your investment: If your home is on the older side, your windows are most likely outdated. Upgrading your windows can improve the insulation in your home and also help increase the value of your house if you decide to sell.
- Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
Estimated Cost of Window Replacement in California
Windows come in different shapes and sizes, so costs and services will vary tremendously. Here are the typical costs and services that you can find from window installers.
How Much Do New Windows Cost?
The typical cost to install one window is about $600 but can range from $200 to $1,200. This is because of the fact that the cost of window installations depend on several factors specific to your home, like the size, material and number of windows you need to install, as well as where your property is located.
With windows, efficiency is one of the most important factors for most homeowners. Windows with higher efficiency may cost more initially, but by increasing the efficiency of your home — especially during the summer and winter — they can give you decades of energy savings. According to Energy Star, buying certified energy-efficient windows can save California homeowners $313+ a year after replacing single-pane windows.
How much your window installation costs will also vary depending on the type of window material you choose for the frames. Wood windows are typically the most expensive, although it depends if they are completely wood or clad with aluminum or vinyl. Fiberglass windows also tend to be a bit more expensive than vinyl, but they are shown to be more efficient.
What Services do Window Installers Offer?
When considering window installations, there are generally two kinds that your provider will have: full-frame and pocket installations.
A full-frame installation replaces the full window, including the sill, frame, trim and the window panes. As this kind of installation requires more time and labor, it will be more expensive than a pocket installation. Pocket installations (also known as retrofits) are when you replace a window while leaving the existing frame. Pocket installations are on the simpler end and won't carry as large a bill, but you can't do this kind of installment if you have any pre-existing rot or water damage.
Your window installer should be able to help you figure out which type of installation you need.
Best Affordability
Window World
- Lifetime warranty
- EnergyStar Partner
- Large serice area
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Member of US Green Building Council
- More expensive than competition
Best for Businesses
Aeroseal Windows
- Great industry reputation
- Custom Designs
- Many years of experience
- No 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 landed on the above companies as the best window installation companies in the city. Along with energy efficiency, we analyzed each installer and assigned rankings using the following methodology:
Service Area
This one is self-explanatory, but we've chosen to highlight window installers that serve a wide variety of states and cities so you can find a quality window installation company near you.
Work Quality
When picking new windows, the quality and breadth of services often plays just as important of a role in insulation and performance as the brand you get. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
We analyzed trends in recent customer feedback to determine the companies with the highest rates of customer satisfaction. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across most other categories, including warranty, professionalism, quality of parts, quality of installation, 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 awarded higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
As discussed, windows are a hefty investment, so you'll want to be certain that investment is protected. Window installation companies that provide lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Due to California's climate, homeowners will want to mitigate low efficiency, water damage and rot. We factored in local experience to reflect the ability of California window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.
California, PA Window Replacement FAQs
How much does a window install cost?
The national average cost to replace a window is about $600 but can range between $200 and $1,200, depending on several factors. The price is typically 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 hundreds of dollars 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 do not 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 — they're certified energy-efficient by the U.S. Department of Energy.
What services do window installation companies provide?
Window installation companies will do the entire process — from replacing your old windows with new ones to cleaning up after the installation. In addition, some companies offer window manufacturing, customization and repairs.
How long does it take to install windows?
Each window takes around 30 minutes to install depending on the type of window. However, the window installation can take two days or more if you need to have a lot of windows installed.
Should I replace my windows all at the same time?
If your windows are greater than 20 years old, you probably need to replace all of them. At that point, they are typically less efficient, leakier and/or more damaged than new windows. Replacing your windows all at once will involve less paperwork and less stress.