21 Best Window Replacement Companies in Hercules, CA (Jan 2023)
Window Companies Near Me
Looking to upgrade your windows? We've got all the information you need in this list of the best window installation companies.
We analyzed all the top window installers in Hercules and selected the top 21 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 January 12, 2023
Why you can trust EcoWatch
Although clean energy sources like wind and solar are important when it comes to lowering your carbon footprint, improving your house's energy efficiency can also have a large impact on home energy conservation. During the hot summer months, the last thing you want is your cool air to leak out of your outdated, drafty windows.
Thankfully, helping you save money with more efficient windows also helps our goals of reducing energy usage for the environment.
Efficient windows are particularly important in Hercules, where summers are long and hot. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $657 each year.
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Great industry reputation
- Member of US Green Building Council
- No lifetime warranty
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Entails hiring third-party contractors
Best Affordability
Window World
- Low prices relative to competitors
- Great industry reputation
- Large serice area
- Quality of service will depend on your area
Best Window Replacement Companies in Hercules
The EcoWatch team examined dozens of installers in Hercules to find the best window installation companies for our readers. We assessed the companies on their energy-efficient offerings, price, local experience, coverage area, customer service and more.

Renewal by Andersen
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Manufactures products in-house
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Great industry reputation
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Member of US Green Building Council
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No lifetime warranty
Renewal by Andersen has the best availability in Hercules. Andersen has been in the window industry for about 27 years.
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 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 want Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Hercules?While pricing information is 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.

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
Milgard Windows & Doors provides the best local installation in Hercules. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has around 60 years of experience in the windows industry, and it currently serves Anaheim, Riverside, Los Angeles, San Bernardino and Orange counties. The provider has many glowing reviews from customers on online review websites.
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 provider for you.
Energy Efficiency of Milgard Windows & Doors WindowsMilgard Windows & Doors is an Energy Star partner offering a variety of energy-efficient windows. Note that not all of the company's windows are Energy Star certified, so make sure to ask your Milgard representative when inquiring about services.
How much does Milgard Windows & Doors cost in Hercules?Prices are not available on Milgard's website because the cost of window installment varies greatly depending on how many and what type(s) of windows you need. However, it offers different kinds of windows at varying price points. The best way to get more accurate pricing information is to request a free quote from the company.

Window World
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Low prices relative to competitors
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Great industry reputation
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Large serice area
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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. This provider has 27 years of experience in the window installation industry, and it has proved to be one of the best companies in Hercules. Its reputation is backed by all the 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, this may be the perfect provider for you.
Energy Efficiency of Window World WindowsWindow World appeals 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 Hercules?Window World does not detail prices on its website, but it's known for offering some of the most affordable window installations around. Requesting a free quote on its website is the best way to get more accurate 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 is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This provider has 20 years of experience in the windows industry, and it has become one of the most respected companies in the business. The company has hundreds of glowing reviews from customers on online review websites.
It 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 offering a variety of energy-efficient windows. Note that not all of the company's windows are Energy Star certified, so be sure to ask your Universal representative when inquiring about services.
How much does Universal Windows Direct cost in Hercules?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. If you'd like to know for sure, you can inquire about a quote on the company's website.
We've recommended installers with shining reputations, but note that these are national companies, so the quality of service may vary depending on your local crew. We have tried to stay unbiased and transparent by describing pros and cons for every company reviewed.
More Window Replacement Companies in Hercules
The Glass Guru
Antioch, CA-
Locally Recognized for Quality
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Good Customer Service
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Educational Website
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Price Transparency
Services Offered
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Glass Showers
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Tempered Glass
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Custom Window Designs
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Aluminum Window Frames
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Full-Service Installations
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Commercial Windows
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Double-Hung
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Sliding Glass
Renewal by Andersen of San Francisco
Hayward, CA-
Free Quotes
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Excellent Customer Service
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No-Hassle Pricing
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Locally Recognized for Quality
Services Offered
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Custom Windows
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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
The Glass Guru
Fairfield, CA-
Excellent Customer Service
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No-Hassle Pricing
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Educational Website
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Free Quotes
Services Offered
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Residential Windows
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Glass Showers
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Tempered Glass
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Custom Window Designs
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Aluminum Window Frames
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Full-Service Installations
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Commercial Windows
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Double-Hung
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Sliding Glass
Window Replacement San Leandro
San Leandro, CA-
No-fee Quotes
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Arrives on Time
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No-Hassle Pricing
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Excellent Customer Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Best Exteriors
San Leandro, CA-
Price Transparency
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Helps Educate Customers
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Dependable Service
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No-fee Quotes
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Berkeley
Berkeley, CA-
Excellent Customer Service
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Helps Educate Customers
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Arrives on Time
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Price Transparency
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Best Exteriors
Oakland, CA-
Excellent Customer Service
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Dependable Service
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Educational Website
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Price Transparency
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Vallejo
Vallejo, CA-
Good Customer Service
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No-fee Quotes
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Timely Service
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No-Hassle Pricing
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Dublin
Dublin, CA-
Excellent Customer Service
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Arrives on Time
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Dependable Service
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Educational Website
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Pleasanton
Pleasanton, CA-
Excellent Customer Service
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Reliable Appointment Windows
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Free Quotes
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Reliable Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement San Francisco
San Francisco, CA-
No-fee Quotes
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Excellent Customer Service
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Arrives on Time
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Consistent Workmanship
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Oakland
Oakland, CA-
Good Customer Service
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Free Quotes
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Consistent Workmanship
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Price Transparency
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Alameda
Alameda, CA-
No-Hassle Pricing
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Consistent Workmanship
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Reliable Appointment Windows
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No-fee Quotes
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Redwood City
Pleasanton, CA-
Excellent Customer Service
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Consistent Workmanship
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No-Hassle Pricing
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Free Quotes
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Walnut Creek
Walnut Creek, CA-
Excellent Customer Service
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No-Hassle Pricing
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Educational Website
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Dependable Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Concord
Concord, CA-
Timely Service
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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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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Union City
Union City, CA-
Excellent Customer Service
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Free Quotes
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No-Hassle Pricing
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Helps Educate Customers
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement San Mateo
San Mateo, CA-
Timely Service
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Excellent Customer Service
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Free Quotes
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Price Transparency
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Best Exteriors
Oakland, CA-
Arrives on Time
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No-Hassle Pricing
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Free Quotes
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Dependable Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Hayward
Hayward, CA-
No-fee Quotes
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Price Transparency
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Reliable Service
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Educational Website
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Vacaville
Vacaville, CA-
Price Transparency
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No-fee Quotes
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Timely Service
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Consistent Workmanship
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
How Installing Energy-Efficient Windows in Hercules Saves You Money
Energy-efficient windows can benefit you in several ways. Here are some reasons you may want to consider making the switch:
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which filter out harmful UV rays, reducing fading of your furniture, carpet and other valuables.
- Save money on energy bills: The Department of Energy estimates that heat gained or lost via windows makes up around 25-30% of energy use in your home. Switching to energy-efficient windows can help decrease that number, which helps you save some money on your bills.
- Decrease your carbon footprint: You can reduce your indirect greenhouse gas emissions by about 12% when you install Energy Star certified windows. In Hercules, that's about 117 pounds per year on average.
- Protect your investment: Upgrading your windows is an important part of maintaining your property and its value, particularly if your home is on the older side.
Estimated Cost of Window Replacement in Hercules
Windows come in various purposes, styles and shapes, so costs and services will vary tremendously based on several factors. Below, we describe the typical cost and services that you can get from window installation companies.
How Much Do New Windows Cost?
The national average cost to install a single window is about $600 but can range from $200 to $1,200. How much it will cost you varies based on several factors, such as the location of your home, number of windows, type, size, material and more.
It's also worth keeping in mind that energy-efficient windows will cost more upfront, but Energy Star predicts that switching out the windows on your Hercules 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. How much you'll save by switching to energy-efficient windows varies based on your local climate, energy rates and other factors unique to your home.
The cost of your window installation will also vary depending on the kind of window material you choose for the frames. Wood windows are usually the most expensive, though it depends if they are 100% wood or clad with aluminum or vinyl. Fiberglass windows also tend to be a bit more expensive than vinyl, but they are more efficient.
What Services do Window Installers Offer?
The first question to ask yourself when planning to replace your windows is: Do you want a full-frame installation or a pocket installation?
A full-frame installation replaces the total window, including the sill, frame, trim and the window panes. Because this type of installation requires more time and labor, it will cost more than a pocket installation. Pocket installations (also known as retrofits) are when you replace a window within its existing frame. Pocket installations are on the simpler end and will be less expensive, but you can't do this type of installment if you have any pre-existing rot or water damage.
If you're unsure which window installation service you need, your installer should be able to advise you. Generally, the decision is influenced by factors such as the age and condition of the home, the type of building material, budget and time restrictions.
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Great industry reputation
- Member of US Green Building Council
- No lifetime warranty
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Entails hiring third-party contractors
Best Affordability
Window World
- Low prices relative to competitors
- Great industry reputation
- Large serice area
- Quality of service will depend on your area
How We Choose the Best Window Installers in Hercules
In our hunt to make your home improvements easier and more eco-friendly in Hercules, the EcoWatch Reviews team examined dozens of companies before deciding on these. Along with energy efficiency, we evaluated window companies all across the state and assigned rankings using the following methodology:
Service Area
This one is pretty self-explanatory, but we've chosen to highlight window installers that serve Hercules so you can find the right 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 in our guide to make sure its technicians are well-qualified and that the company has gotten plenty of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed patterns in recent online reviews to determine the companies with the most consistent customer satisfaction, weighted by sample size. Customer satisfaction might be the most important factor, as it reflects the quality of services across nearly every category, including quality of parts, warranty, cost, quality of installation, professionalism and more.
Cost
This one is a give-and-take: as with other services, cheap window companies are not going to provide the highest quality service. Still, we want to ensure we're highlighting companies that provide a spectrum of price and financing options so they're accessible to most homeowners.
Warranty
As discussed previously, windows are a significant 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 Hercules' climate, homeowners will want to mitigate low efficiency, rot and water damage. We factored in local experience to reflect the ability of Hercules window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Hercules, CA Window Replacement FAQs
What is the typical cost to install new windows in a home?
The national average cost of installing a window is around $600 but can range from $200 to $1,200, depending on a few different factors. The price is often influenced by the size of the window, the type and material of the window and the location of your property. Also, bear in mind that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.
Which type 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. If you want to be sure you'll have 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.
Do you really need to use a window installation company?
Unless you have home repair skills and have the time needed to replace your own windows, we recommend hiring a professional installer. The process of installing windows is quite involved and can take anywhere from four to six hours for a single window. Although it's tempting to try to do it yourself to save money, hiring a company is a faster, more efficient and safer option.
When is the best time of year to replace windows?
Replacement windows can be installed during any season, but autumn might be best. Regardless of when you install them, the contractors will take steps to make sure that too much hot or cold air doesn't get into the home, so the temperature outside isn't necessarily a big factor. What's more important than the temperature is that the weather should be dry.
Should I replace my windows all at once?
If you're upgrading your windows to get more efficient windows, replacing all your windows at the same time is the only way to see a noticeable difference. On the other hand, if you have just one or two windows that are damaged or leaky, you can replace just those.