20 Best Window Companies in August, CA (2023 Reviews)
When the time comes to upgrade your windows, our list of the top window installation companies can help you find the provider for you.
We analyzed all the top-rated window companies in August 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 replacement companies in August may not seem like the most interesting article on EcoWatch, but trust us, windows have more of an impact on your life than you might realize. Traditional or damaged windows could lead to having higher power bills during the winter or summer months.
Thankfully, saving you money with more efficient windows also aligns with our goals of reducing energy usage for the environment.
We've put together a guide on the best installation companies to help you in your search, so you can not only enjoy brand new windows, but also save money on your electric bills.
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 August
The EcoWatch team researched dozens of installers in August to find the top window companies for our readers. The companies in this article scored best in our categories, including energy-efficient offerings, price, customer service, availability 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 is the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has around 27 years of experience in the window replacement sector. Many positive reviews on customer review websites back the company's reputation.
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 perfect company for you.
Energy Efficiency of Window World WindowsIts high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World’s windows are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.
How much does Window World cost in August?Window World does not mention prices on its website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate information is to receive a free quote from the company.

Milgard Windows & Doors
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EnergyStar Partner
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Wide network of installers
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Lifetime warranty available
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Entails hiring third-party contractors
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Limited additional services
Milgard Windows & Doors is a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has around 60 years of experience in the window replacement sector. Many positive reviews on customer review websites back the company's reputation.
If you’re looking for a company that offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience, Milgard may be the perfect company for you.
Energy Efficiency of Milgard Windows & Doors WindowsThe company manufactures its own products, which gives it the freedom to make custom windows based on the climate. The company designs its own vinyl compounds and profiles to ensure a heat-stable product that performs as advertised. Not all of Milgard’s windows are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.
How much does Milgard Windows & Doors cost in August?Milgard does not mention prices on its website, but it offers different kinds of windows at varying price points. The best way to get more accurate information is to receive a free quote from the company.

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 is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has around 27 years of experience in the window replacement sector. Many positive reviews on customer review websites back the company's reputation.
If you’re looking for a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started, Andersen may be the perfect company for you.
Energy Efficiency of Renewal by Andersen WindowsA 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. Not all of Andersen’s windows are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.
How much does Renewal by Andersen cost in August?Andersen does not mention prices on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. The best way to get more accurate information is to receive 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 is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has been in the window industry for about 20 years. The company has a lot of positive reviews from customers online.
You may want to consider choosing Universal if you're interested in a company that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct’s commitment to sustainability shows in its energy-efficient window offerings. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.
How much does Universal Windows Direct cost in August?Prices are not available on Universal’s website, as the cost of window installment varies greatly depending on how many and what type(s) of windows you need. However, 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 know for sure is to receive a free quote from the company.
We've recommended companies with good reputations, but bear in mind that some national companies have independently owned locations in August, so your service may depend on your local crew. We have tried to stay unbiased and transparent by including pros and cons for every company we reviewed.
More Window Companies in August
Renewal by Andersen
Rancho Cordova, CA-
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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Energy-Efficient Options
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Custom Window Designs
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Window Replacement
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Glass Showers
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Sliding Glass
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Residential Windows
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Double-Hung
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Stained Glass
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Commercial Windows
Window World of Greater Sacramento
Sacramento, CA-
Educational Website
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Good Customer Service
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Free assessment
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Timely Service
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Price Transparency
Services Offered
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Glass Showers
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Custom Window Designs
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Double-Hung
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Window Replacement
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Sliding Glass
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Residential Windows
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Fast Delivery
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Bay Windows
The Glass Guru
Lodi, CA-
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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Tempered Glass
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Residential Windows
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Custom Window Designs
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Sliding Glass
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Window Replacement
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Aluminum Window Frames
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Stained Glass
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Glass Showers
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Fast Delivery
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Commercial Windows
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Full-Service Installations
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Window Repair
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Double-Hung
Stockton Window Replacement
Stockton, CA-
Free assessment
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Good Customer Service
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Educational Website
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Timely Service
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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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Bay Windows
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Double-Hung
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Fast Delivery
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Sliding Glass
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Window Replacement
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Commercial Windows
Window Replacement Stockton
Stockton, CA-
Educational Website
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Good Customer Service
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Price Transparency
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Free assessment
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Timely Service
Services Offered
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Fast Delivery
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Residential Windows
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Sliding Glass
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Commercial Windows
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Double-Hung
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Custom Window Designs
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Window Replacement
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Bay Windows
Home Services at The Home Depot
Stockton, CA-
Free assessment
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Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Window Replacement
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Residential Windows
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Commercial Windows
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Stained Glass
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Double-Hung
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Fast Delivery
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Custom Window Designs
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Glass Showers
Delta Glass Co
Stockton, CA-
Price Transparency
Services Offered
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Window Replacement
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Residential Windows
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Glass Showers
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Commercial Windows
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Custom Window Designs
Green Technology Windows and Doors
Manteca, CA-
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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Residential Windows
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Commercial Windows
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Custom Window Designs
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Bay Windows
Tokay Glass Co
Lodi, CA-
Price Transparency
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Free assessment
Services Offered
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Custom Window Designs
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Full-Service Installations
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Residential Windows
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Window Replacement
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Glass Showers
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Window Repair
Don's Mobile Glass, Inc.- Manteca
Manteca, CA-
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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Glass Showers
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Window Replacement
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Custom Window Designs
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Double-Hung
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Residential Windows
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Commercial Windows
The Glass Shop
Galt, CA-
Good Customer Service
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Price Transparency
Services Offered
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Residential Windows
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Custom Window Designs
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Commercial Windows
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Glass Showers
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Window Replacement
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Full-Service Installations
Loves Air
Salida, CA-
Price Transparency
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Good Customer Service
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Educational Website
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Timely Service
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Free assessment
Services Offered
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Fast Delivery
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Double-Hung
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Custom Window Designs
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Window Replacement
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Residential Windows
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Glass Showers
Tracy Glass Shop
Tracy, CA-
Good Customer Service
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Educational Website
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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Residential Windows
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Fast Delivery
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Bay Windows
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Commercial Windows
American Glass Co
Modesto, CA-
Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Residential Windows
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Custom Window Designs
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Window Repair
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Window Replacement
A-1 Glass
Modesto, CA-
Price Transparency
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Good Customer Service
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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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Glass Showers
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Fast Delivery
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Commercial Windows
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Window Replacement
Don's Mobile Glass
Modesto, CA-
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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Residential Windows
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Commercial Windows
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Window Replacement
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Custom Window Designs
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Double-Hung
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Glass Showers
Emergency Glass Co
Modesto, CA-
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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Commercial Windows
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Custom Window Designs
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Residential Windows
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Window Repair
Brentwood Glass Shower and Window Company
Brentwood, CA-
Price Transparency
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Free assessment
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Good Customer Service
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Timely Service
Services Offered
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Double-Hung
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Window Replacement
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Fast Delivery
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Glass Showers
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Full-Service Installations
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Residential Windows
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Custom Window Designs
Rose Remodeling
Elk Grove, CA-
Good Customer Service
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Price Transparency
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Educational Website
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Free assessment
Services Offered
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Window Replacement
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Glass Showers
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Custom Window Designs
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Residential Windows
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Fast Delivery
Don's Mobile Glass - Corporate Headquarters
Modesto, CA-
Educational Website
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Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Glass Showers
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Custom Window Designs
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Double-Hung
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Window Replacement
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Residential Windows
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Commercial Windows
Calculate how much you can expect to pay for window installation and replacement in August, CA 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 August Saves You Money
Energy-efficient windows can offer benefits in several ways. Here are some reasons you may want to think about making the switch:
- Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which not only insulate your home better, but also filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
- Decrease your carbon footprint: You can reduce your carbon footprint by about 12% after you install Energy Star certified windows. In August, that's about 117 pounds per year on average.
- Save on electricity bills: Once you install energy-efficient windows, you can see a reduction in your bills by about 12% because you'll need less energy to heat or cool your home.
- Protect your investment: If you have an older home, your windows are most likely in need of replacement. Upgrading your windows can improve the insulation in your home and also help raise the value of your house if you decide to sell.
Estimated Cost of Window Replacement in August
Windows come in varying shapes, styles and purposes, so costs and services will differ greatly depending on several factors. Below, we detail the average cost and services that you'll find from window installers.
How Much Do New Windows Cost?
The average cost to install one window is about $600 but can range from $200 to $1,200. Costs will differ considerably depending on the number of windows you need, your location, the current condition of your home and the quality of your products. A lot of window companies also offer door installations and other add-ons like shutters, coating, baths and more. Additional services will increase overall project costs.
It's important to keep in mind that windows with the best efficiency may cost more initially but can save you hundreds of dollars by lowering your energy bills. Investing in certified energy-efficient windows can save August homeowners $690+ a year when replacing single-pane windows.
Another factor that influences the total cost is the material you choose for your frame. Aluminum frames are typically the least expensive and are sturdy and relatively maintenance-free, but they offer poor insulation. On the other hand, wood frames cost the most, as they are aesthetically pleasing and offer decent insulation. Fiberglass and vinyl frames provide good insulation and cost somewhere between the other two.
What Services do Window Installers Offer?
In general, there are two kinds of window replacement services you can get: full-frame and pocket installations.
Full-frame installations involve replacing the total window, including the frame, sill and trim. You most likely need a full-frame installation when you want to change the style of your windows or your window has considerable deterioration. Because full-frame installations are more involved, they will raise the overall cost. Pocket installations (also known as retrofits) are when you replace a window within its existing frame. Pocket installations are on the simpler end and won't cost as much, but you can't do this type of installment if you have any pre-existing rot or water damage.
If you're still trying to decide which kind of installation you should get, you can consult with your provider and get their advice. The choice mostly is influenced by how old the frames are and if there's any damage.
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 August
In our search to make your home improvements easier and more eco-friendly in August, EcoWatch assessed dozens of companies before settling on these. Along with energy efficiency, we evaluated each installer and ranked them based on the following methodology:
Service Area
Because this is a guide for August, we paid more attention to companies that provide services to the city. There are other reputable providers that didn't make the cut because they wouldn't be able to serve homeowners in August.
Work Quality
We're certain that you're looking for a company to do a great job installing windows. We've vetted each company in our guide to make sure its technicians are well-qualified and that the company has gotten lots 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 good things to say about their service from a certain window installation company, you won't see it featured on EcoWatch.
Cost
Cheaper windows certainly don't mean better windows, but we know many of our readers want to keep costs as low as possible. When analyzing providers' prices, we awarded higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
As discussed previously, windows are a substantial investment, so you'll want to be certain that investment is well protected. Window installation companies that offer lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Due to August's climate, homeowners need to be wary of rot, water damage and low efficiency. We factored in local experience to reflect the ability of August window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
August, CA Window Replacement FAQs
What is the average cost to replace windows in a home?
The typical cost to replace a single window can range between $450 and $650. There are many factors that affect the cost, such as how energy-efficient the windows are, your property's location, the materials used in designing the windows, local labor costs, the number of windows and styles and sizes of windows.
Which kind of window should I get?
Generally, double-pane windows will be more efficient than single-pane windows and windows that don't open are more efficient than windows that do. If you want 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.
Can I replace my own windows?
Although you can install your own windows, doing so is time-consuming and requires a lot of experience with home improvement projects. Hiring a professional can help guarantee that the installation is done properly and that you can avoid spending the time and effort of doing it yourself.
Should I replace all my windows at once?
If you're upgrading your windows to get more efficient windows, replacing all of your windows together is the only way to see a noticeable difference. However, if you have just a few windows that are damaged or leaky, you can replace just those.