29 Best Window Replacement Companies in Hercules, CA (2023 Reviews)
Window Companies Near Me
When the time comes to upgrade your windows, our guide to the best window installation companies can help you find the right provider for you.
We analyzed all the top window installers in Hercules and selected the top 29 based on:
-
Customer reviews
-
Window replacement expertise
-
Popularity with home-owners like you
Please enter a valid 5-digit zip code!

Updated May 04, 2023
Why you can trust EcoWatch
Although eco-friendly energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house's energy efficiency can also have a large impact on home energy conservation. When it's the middle of summer, your outdated and drafty windows could be making your home more difficult to cool and costing you more in power bills.
That's bad for both your bank account and the environment, but one of the best window installation companies can help with that.
Efficient windows are especially important in Hercules, where summers are long and hot. According to Energy Star, switching to energy-efficient windows can save the average homeowner up to $579 per year.
Best Affordability
Window World
- EnergyStar Partner
- Low prices relative to competitors
- Lifetime warranty
- Quality of service will depend on your area
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Limited additional services
Best Overall
Renewal by Andersen
- Member of US Green Building Council
- Great industry reputation
- Manufactures products in-house
- More expensive than competition
Best Window Replacement Companies in Hercules
The EcoWatch team examined dozens of companies that service the Hercules area to find the best window installation companies that fit our standards. We assessed the providers on energy-efficient offerings, price, coverage area, local experience, customer service and more.

Window World
-
EnergyStar Partner
-
Low prices relative to competitors
-
Lifetime warranty
-
Quality of service will depend on your area
Window World has windows expertise in Hercules. Window World has over 27 years of experience in the windows industry, and it currently serves 200 locations nationwide.
You may want to consider choosing Window World if you're interested in a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsWindow World offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. 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?Prices aren't listed on Window World's website, but it's known for offering some of the most affordable window installations around. For more detailed information on the cost, you can receive a quote from the company.

Milgard Windows & Doors
-
EnergyStar Partner
-
Wide network of installers
-
Lifetime warranty available
-
Limited additional services
Milgard Windows & Doors is a family-owned and -operated window replacement company, which primarily serves the West Coast. This company has 60 years of experience in the windows business, and it has become one of the most reputable companies in Hercules. Hundreds of positive reviews from customers online back the provider's reputation.
It has established itself as a company that offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience.
Energy Efficiency of Milgard Windows & Doors 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 mention that you want energy-efficient windows to your Milgard representative when inquiring about services.
How much does Milgard Windows & Doors cost in Hercules?Prices aren't listed on Milgard's website, but it offers different kinds of windows at varying price points. If you'd like more accurate information, you can get a quote on the company's website.

Renewal by Andersen
-
Member of US Green Building Council
-
Great industry reputation
-
Manufactures products in-house
-
More expensive than competition
Renewal by Andersen offers the best availability in Hercules. 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. The company has hundreds of glowing reviews from customers on online review websites.
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 company for you.
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 Hercules?Andersen doesn't have any pricing information displayed 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. If you'd like to know for sure, you can request a quote on the company's website.

Universal Windows Direct
-
Makes charitable contributions
-
Manufactures products in-house
-
Wide variety of products and services
-
Lifetime warranty
-
Limited service area
-
Some installations carried out by third-party contractors
-
Quality of service will depend on your area
Universal Windows Direct has the best warranty in Hercules. It's 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 window installation business, and it has proved to be one of the most respected companies in Hercules. Its reputation is backed by many positive reviews on customer review websites.
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 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 offerings are Energy Star certified, so be sure to mention that you'd like Energy Star windows when inquiring.
How much does Universal Windows Direct cost in Hercules?Prices aren't mentioned on Universal's website, but installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. The best way to get more accurate pricing information is to get a free quote from the company.
We've recommended companies with shining reputations, but bear in mind that these are national companies, so your service may differ depending on your local crew. We have tried to stay unbiased and transparent by including pros and cons for every company reviewed.
More Window Replacement Companies in Hercules
A-1 Guaranteed Heating & Air, Inc
Vallejo, CA-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Energy-Efficient Options
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
Charles Window & Door Company
San Rafael, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Full-Service Installations
-
Stained Glass
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Double-Hung
Winning Windows
Oakland, CA-
Good Customer Service
-
Price Transparency
-
Timely Service
-
Free assessment
Services Offered
-
Energy-Efficient Options
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Best Exteriors
Oakland, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Fast Delivery
-
Double-Hung
The Glass Man & Sons Windows and Glass Alameda
Alameda, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
Services Offered
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Full-Service Installations
-
Stained Glass
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Best Exteriors
Oakland, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Fast Delivery
-
Double-Hung
Window Factory
Greenbrae, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Aluminum Window Frames
-
Commercial Windows
Vallejo Glass Inc.
Vallejo, CA-
Good Customer Service
-
Educational Website
-
Free assessment
Services Offered
-
Energy-Efficient Options
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Full-Service Installations
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Aames Windows & Doors
Concord, CA-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Price Transparency
-
Timely Service
Services Offered
-
Energy-Efficient Options
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Fast Delivery
-
Double-Hung
Home Services at The Home Depot
Martinez, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Dan's Glass Inc
Concord, CA-
Good Customer Service
-
Price Transparency
-
Timely Service
-
Educational Website
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Novato Glass Inc
Novato, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Full-Service Installations
-
Residential Windows
-
Commercial Windows
-
Double-Hung
Lafayette Glass Company
Lafayette, CA-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Sliding Glass
-
Custom Window Designs
-
Full-Service Installations
-
Residential Windows
-
Fast Delivery
-
Double-Hung
Bestoff Windows & Construction
Concord, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Energy-Efficient Options
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
Contra Costa Plate & Mirror Co
Pacheco, CA-
Good Customer Service
-
Price Transparency
-
Award-Winning
-
Free assessment
Services Offered
-
Glass Showers
-
Custom Window Designs
-
Residential Windows
-
Tempered Glass
-
Double-Hung
-
Commercial Windows
The Window Specialists, Inc.
Oakland, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Energy-Efficient Options
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
Glass Work
San Rafael, CA-
Good Customer Service
-
Educational Website
-
Timely Service
-
Free assessment
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
Windows & Beyond
Concord, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Energy-Efficient Options
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Commercial Windows
Vallejo Emergency Handyman Service
Vallejo, CA-
Good Customer Service
-
Price Transparency
-
Timely Service
-
Free assessment
Services Offered
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
Glass & Sash Inc.
San Rafael, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
Services Offered
-
Energy-Efficient Options
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
California Glass of Vallejo, Inc.
Vallejo, CA-
Good Customer Service
-
Price Transparency
-
Award-Winning
-
Timely Service
Services Offered
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Full-Service Installations
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
Wood Windows and Doors Corporation
San Pablo, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Commercial Windows
-
Double-Hung
CWD Remodels & Windows
Concord, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
Nana Wall Systems, Inc.
Corte Madera, CA-
Good Customer Service
-
Educational Website
Services Offered
-
Glass Showers
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
KMS Glass
Oakland, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Blyss Construction Oakland
Oakland, CA-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Price Transparency
-
Timely Service
Services Offered
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Commercial Windows
-
Double-Hung
Diablo Custom Screen & Glass
Concord, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Residential Windows
-
Commercial Windows
Home Services at The Home Depot
Vallejo, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
Bailey Windows
Walnut Creek, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Double-Hung
How Installing Energy-Efficient Windows in Hercules Saves You Money
There are quite a few benefits of upgrading to energy-efficient windows. Some reasons you may want to consider making the switch are the following:
- Protect your investment: When you have an older home, your windows could also be outdated or drafty. Keeping your windows up to date is an important part of maintaining your property and its value.
- Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.
- Decrease your carbon footprint: Decreasing how much energy you use also lowers your carbon emissions. You could reduce it by 117 pounds per year on average.
- Save money on energy bills: After you install energy-efficient windows, you can see a reduction in your bills by about 12% since you'll use less energy to heat or cool your home.
Estimated Cost of Window Replacement in Hercules
Let's go over the cost of window installation and the types of services you may need for your home.
How Much Do New Windows Cost?
On average, homeowners in Hercules can anticipate that most window installations will range from $250 to $1,200, with the average cost at about $600. But costs vary considerably based on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window companies also offer door installations, which will add extra costs to your project.
With windows, efficiency is the most important factor for many homeowners. High efficiency windows may cost more initially, but by increasing the efficiency of your home — especially if you live in a hot climate — they can give you many years of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Hercules homeowners $579+ each year after replacing single-pane windows.
How much your window installation costs will also vary depending on the type of material you choose for the frames. Wood windows are typically the most expensive, though it depends if they are 100% wood or clad with aluminum or vinyl. Fiberglass windows also tend to be somewhat more expensive than vinyl, but they are shown to be more efficient.
What Services do Window Installers Offer?
The first step of a window replacement is to clarify whether you want a full-frame or pocket installation.
Full-frame installations are usually done when you want a new style or your window has significant rot. With this service, your installers will replace the complete window, including the sill, frame and trim. A pocket installation involves installing a new window without replacing the frame. So, instead of tearing out the whole window and reinstalling it, the installer will just put the replacement window (also called a retrofit or insert window) into the frame.
If you're hiring a reputable window installation company, your company can recommend the best type for your project. In Hercules, the decision will mostly be based on the efficiency of your home and the condition of your existing frames.
Best Affordability
Window World
- EnergyStar Partner
- Low prices relative to competitors
- Lifetime warranty
- Quality of service will depend on your area
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Limited additional services
Best Overall
Renewal by Andersen
- Member of US Green Building Council
- Great industry reputation
- Manufactures products in-house
- More expensive than competition
How We Choose the Best Window Installers in Hercules
EcoWatch differs from most reviewers because we examine these companies through a sustainability lens. Along with energy efficiency, we assessed each installer and ranked them using the following methodology:
Service Area
Since this is a guide for Hercules, we only included companies that cover the city. There are certainly reputable providers that didn't make the cut because of the low odds that they would serve the average homeowner in Hercules.
Work Quality
When selecting new windows, the quality and breadth of services can often play just as important of a role in overall efficiency and performance as the type of window 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 patterns in recent online reviews to determine the companies with the most consistent customer satisfaction, weighted by sample size. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across most other categories, including cost, quality of parts, quality of installation, professionalism, warranty 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
Protecting your investment in new windows is important. For that reason, window installation companies that have lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Due to Hercules' climate, homeowners will want to mitigate water damage, rot and low efficiency. 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
How much does window installation cost?
The national average cost to replace a single window is around $600 but can range from $200 to $1,200, based on a few different factors. The price is usually dependent on the type and material of the window, the size of the window and the location of your property. Also, remember that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.
What are the different kinds of windows?
There are several different kinds of windows you can get for your home, including double-hung and single-hung windows, casement windows, slider windows, awning windows, transom windows, picture windows and bay windows.
What services do window installation companies do?
Window installation companies will do the entire process — from replacing old windows with brand new ones to cleaning up afterward. Additionally, a lot of companies offer window manufacturing, customization and repairs.
How long does it typically take to install windows?
Since the average installation time of a window is 30 minutes, about 16 windows can be installed during an 8-hour work day.
When is the best time of year to replace windows?
While you can install windows any time of year, warmer weather is generally better for installing replacement windows. In addition, the weather should be dry, because rain can make the installation harder.