21 Best Window Replacement Companies in Sebastopol, CA (2023 Reviews)
Window Companies Near Me
Looking to upgrade your windows? We've got you covered in this guide to the best window installation companies.
We analyzed all the top window installers in Sebastopol and selected the top 21 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
A review of the best window installation companies in Sebastopol may not seem like the most compelling article on EcoWatch, but trust us, windows impact your life more than you might realize. During the summer months, the last thing you want is your cool air to leak out of your outdated, drafty windows.
Installing upgraded, efficient windows on your home can help you save money every month on your electric bills — and you can help the environment, too.
We've compiled a guide on the top installation companies to help you in your search, so you can not only enjoy brand new windows, but also save money on your power bills.
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Limited additional services
Best Overall
Renewal by Andersen
- Award-winning company
- Manufactures products in-house
- Great industry reputation
- No lifetime warranty
Best Affordability
Window World
- Lifetime warranty
- Great industry reputation
- EnergyStar Partner
- Quality of service will depend on your area
Best Window Replacement Companies in Sebastopol
The EcoWatch Reviews team assessed dozens of providers that service the Sebastopol area to find the best window installation companies by our standards. The companies in this article passed our review standards for energy-efficient offerings as well as price, local expertise, customer service and beyond.

Milgard Windows & Doors
-
EnergyStar Partner
-
Wide network of installers
-
Lifetime warranty available
-
Limited additional services
Milgard Windows & Doors has the best local installation in Sebastopol. This company has 60 years of experience in the window installation business, and it has become one of the best companies in the business.
Milgard may be the company for you if you're interested in one 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 and has a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company's windows are Energy Star certified, so make sure to mention that you want energy-efficient windows to your Milgard representative when inquiring about services.
How much does Milgard Windows & Doors cost in Sebastopol?Milgard does not list 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 get a free quote from the company.

Renewal by Andersen
-
Award-winning company
-
Manufactures products in-house
-
Great industry reputation
-
No lifetime warranty
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has over 27 years of experience in the industry, and it currently serves nearly every state except Mississippi and West Virginia. The company has many glowing reviews from customers on online review websites.
You may want to consider opting for Andersen if you're interested in a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen 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 make sure you mention that you're interested in Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Sebastopol?Andersen does not detail 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. If you'd like more accurate information, you can ask for a quote on the company's website.

Window World
-
Lifetime warranty
-
Great industry reputation
-
EnergyStar Partner
-
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. Its reputation is backed by a considerable amount of positive reviews on customer review websites.
You may want to consider opting for Window World 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.
Energy Efficiency of Window World WindowsThere are a wide range of window types that Window World offers, some of which are Energy Star products. 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 Sebastopol?Pricing details are not available on Window World's website because the cost of window installment varies greatly based on how many and what type(s) of windows you need. However, it's known for offering some of the most affordable window installations around. The best way to know for sure is to request a free quote from the company.

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 provides the best warranty in Sebastopol. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This window installation company has been in business since 2002 and currently services 27 states nationwide. The provider has a lot of glowing reviews from customers on online review websites.
Universal may be the company for you if you're looking for one that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThere are a wide variety of window types that Universal Windows Direct offers, some of which are Energy Star products. 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 Sebastopol?Universal does not mention prices 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. You can request a free quote on its website for more information about pricing.
One thing to note is that the following companies are national, meaning the quality of the service may vary depending on your local team. We have tried to remain unbiased and transparent by listing pros and cons for every company.
More Window Replacement Companies in Sebastopol
A-1 Guaranteed Heating & Air, Inc
Vallejo, CA-
Educational Website
-
Free assessment
-
Award-Winning
-
Good Customer Service
-
Price Transparency
Services Offered
-
Fast Delivery
-
Stained Glass
-
Custom Window Designs
-
Energy-Efficient Options
-
Glass Showers
-
Sliding Glass
-
Residential Windows
-
Commercial Windows
-
Bay Windows
Save Energy Windows and Doors
Petaluma, CA-
Price Transparency
-
Good Customer Service
-
Timely Service
-
Free assessment
-
Educational Website
Services Offered
-
Double-Hung
-
Aluminum Window Frames
-
Custom Window Designs
-
Energy-Efficient Options
-
Sliding Glass
-
Residential Windows
-
Commercial Windows
-
Bay Windows
The Glass Guru
Fairfield, CA-
Timely Service
-
Free assessment
-
Good Customer Service
-
Educational Website
-
Price Transparency
Services Offered
-
Commercial Windows
-
Stained Glass
-
Residential Windows
-
Custom Window Designs
-
Aluminum Window Frames
-
Glass Showers
-
Double-Hung
-
Tempered Glass
-
Sliding Glass
-
Full-Service Installations
Charles Window & Door Company
San Rafael, CA-
Price Transparency
-
Good Customer Service
-
Free assessment
-
Educational Website
Services Offered
-
Full-Service Installations
-
Aluminum Window Frames
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Fast Delivery
-
Residential Windows
-
Bay Windows
-
Glass Showers
-
Stained Glass
The Glass Man
863 Gravenstein Hwy N, CA-
Educational Website
-
Price Transparency
-
Good Customer Service
-
Free assessment
Services Offered
-
Aluminum Window Frames
-
Custom Window Designs
-
Residential Windows
-
Full-Service Installations
-
Double-Hung
-
Bay Windows
-
Commercial Windows
-
Sliding Glass
-
Glass Showers
-
Stained Glass
Window Replacement Fairfield
Fairfield, CA-
Price Transparency
-
Free assessment
-
Timely Service
-
Educational Website
-
Good Customer Service
Services Offered
-
Glass Showers
-
Bay Windows
-
Stained Glass
-
Residential Windows
-
Sliding Glass
-
Fast Delivery
-
Double-Hung
-
Custom Window Designs
Window Factory
Greenbrae, CA-
Educational Website
-
Free assessment
-
Good Customer Service
-
Price Transparency
Services Offered
-
Aluminum Window Frames
-
Bay Windows
-
Custom Window Designs
-
Commercial Windows
-
Residential Windows
-
Fast Delivery
Vallejo Glass Inc.
Vallejo, CA-
Educational Website
-
Good Customer Service
-
Free assessment
Services Offered
-
Energy-Efficient Options
-
Double-Hung
-
Residential Windows
-
Custom Window Designs
-
Fast Delivery
-
Glass Showers
-
Aluminum Window Frames
-
Bay Windows
-
Commercial Windows
-
Full-Service Installations
B & L Glass
Santa Rosa, CA-
Good Customer Service
Services Offered
-
Glass Showers
-
Commercial Windows
-
Full-Service Installations
-
Stained Glass
-
Aluminum Window Frames
-
Custom Window Designs
-
Residential Windows
-
Bay Windows
-
Fast Delivery
-
Double-Hung
Novato Glass Inc
Novato, CA-
Price Transparency
-
Good Customer Service
-
Free assessment
-
Educational Website
Services Offered
-
Double-Hung
-
Glass Showers
-
Full-Service Installations
-
Bay Windows
-
Sliding Glass
-
Residential Windows
-
Commercial Windows
-
Custom Window Designs
Moore Home Services
Santa Rosa, CA-
Educational Website
-
Timely Service
-
Good Customer Service
-
Price Transparency
-
Free assessment
-
Award-Winning
Services Offered
-
Commercial Windows
-
Custom Window Designs
-
Bay Windows
-
Residential Windows
American Window Systems, Inc.
Napa, CA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Custom Window Designs
-
Fast Delivery
-
Commercial Windows
-
Residential Windows
-
Bay Windows
-
Aluminum Window Frames
Fairfield Tint Masters
Fairfield, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Double-Hung
-
Commercial Windows
-
Glass Showers
-
Sliding Glass
-
Residential Windows
-
Custom Window Designs
Glass Work
San Rafael, CA-
Good Customer Service
-
Timely Service
-
Educational Website
-
Free assessment
Services Offered
-
Commercial Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Custom Window Designs
-
Residential Windows
-
Glass Showers
-
Sliding Glass
-
Bay Windows
Santa Rosa Windows & Glass
Santa Rosa, CA-
Good Customer Service
-
Price Transparency
-
Free assessment
-
Educational Website
Services Offered
-
Sliding Glass
-
Energy-Efficient Options
-
Glass Showers
-
Residential Windows
-
Custom Window Designs
-
Fast Delivery
Northbay Auto Wraps
Santa Rosa, CA-
Educational Website
-
Good Customer Service
-
Price Transparency
Services Offered
-
Fast Delivery
-
Residential Windows
-
Commercial Windows
-
Custom Window Designs
-
Stained Glass
-
Bay Windows
Vallejo Emergency Handyman Service
Vallejo, CA-
Good Customer Service
-
Price Transparency
-
Free assessment
-
Timely Service
Services Offered
-
Custom Window Designs
-
Bay Windows
-
Commercial Windows
-
Fast Delivery
-
Glass Showers
-
Residential Windows
ClimatePro
Cotati, CA-
Good Customer Service
-
Timely Service
-
Educational Website
-
Free assessment
-
Price Transparency
Services Offered
-
Residential Windows
-
Commercial Windows
-
Bay Windows
-
Custom Window Designs
All Screens
Santa Rosa, CA-
Good Customer Service
-
Free assessment
-
Educational Website
Services Offered
-
Custom Window Designs
-
Aluminum Window Frames
-
Sliding Glass
-
Stained Glass
-
Commercial Windows
-
Residential Windows
Siding Installation And Repair
Fairfield, CA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Bay Windows
-
Double-Hung
-
Custom Window Designs
-
Sliding Glass
-
Residential Windows
Glass & Sash Inc.
San Rafael, CA-
Price Transparency
-
Good Customer Service
-
Educational Website
Services Offered
-
Fast Delivery
-
Custom Window Designs
-
Residential Windows
-
Energy-Efficient Options
-
Bay Windows
-
Commercial Windows
-
Double-Hung
How Installing Energy-Efficient Windows in Sebastopol Saves You Money
When you switch to energy-efficient windows, you may see a few benefits, including:
- Reduce your carbon footprint: Reducing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 117 pounds per year on average.
- Save money on power bills: The Department of Energy estimates that heat gained or lost via windows accounts for around 25-30% of residential energy use. Installing energy-efficient windows can help decrease that amount, which helps you save more on your bills.
- Protect your investment: When you have an older home, your windows could also be outdated or leaky. Upgrading and repairing your windows is an important part of maintaining your property and its real estate value.
- Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
Estimated Cost of Window Replacement in Sebastopol
Windows come in varying styles, shapes and purposes, so costs and services will vary considerably depending on your project. Below, we detail the typical cost and services that you can get from window installation companies.
How Much Do New Windows Cost?
The typical cost to replace one window is about $600 but can range from $200 to $1,200. These amounts are based on specific characteristics of your installation, like type, the location of your home, number of windows, material, size and more.
It's also worth keeping in mind that energy-efficient windows will cost more upfront, but Energy Star estimates that switching out the windows on your Sebastopol home translates to an average energy savings of $236 to $319 a year for single-pane window replacement, or between $87 to $126 a year for double-pane windows. The amount of money you'll save by installing energy-efficient windows varies based on your local climate, energy rates and other factors unique to your home.
Costs will also vary based on the material you want for your window frames. Aluminum frames cost the least. They're sturdy, light and easy to maintain, but offer poor insulation. Vinyl frames are a bit more expensive and offer good insulation. Composite frames made using wood fibers encased in plastic also offer good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They're also aesthetically pleasing and offer decent insulation for your home.
What Services do Window Installers Offer?
In general, there are two kinds of window replacement services companies offer: full-frame and pocket installations.
Full-frame installations are usually recommended when you want to change the style of your windows or your window has significant rot or deterioration. With this service, your installers will replace the whole window, including the sill, trim and frame. A pocket installation entails installing a new window within the existing frame. This means instead of taking out the whole window and reinstalling it, the contractor will just slide the replacement window (also called a retrofit or insert window) into the frame.
If you're not sure which kind of window installation service you need, your installer should be able to assist you. Generally, the choice depends on factors like the age and condition of the home, the type of building material, budget and time restrictions.
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Limited additional services
Best Overall
Renewal by Andersen
- Award-winning company
- Manufactures products in-house
- Great industry reputation
- No lifetime warranty
Best Affordability
Window World
- Lifetime warranty
- Great industry reputation
- EnergyStar Partner
- Quality of service will depend on your area
How We Choose the Best Window Installers in Sebastopol
In our hunt to find the most reliable, eco-friendly window installers in Sebastopol, EcoWatch landed on the above companies as the top window installation companies in the city. We have assessed the best window installers in Sebastopol primarily based on their energy efficient offerings, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows can reduce your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology is based on the following factors:
Service Area
Since this is a guide for Sebastopol, we gave more points to companies that serve the city. There are certainly other reputable providers that didn't make the cut because of the low odds that they would serve the average homeowner in Sebastopol.
Work Quality
When choosing new windows, the quality and range of services can often play just as important of a role in overall efficiency and performance as the brand of window you opt for. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
We analyzed patterns in recent online reviews to determine the companies with the highest rates of customer satisfaction. Customer satisfaction may be the most important factor, as it reflects the quality of services across nearly every category, including professionalism, warranty, quality of parts, quality of installation, cost and more.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers would like to keep costs low when 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 hefty investment, so you'll want to be certain that investment is well protected. Window installation companies that provide lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have a good track record in the industry. Window installers that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.
Sebastopol, CA Window Replacement FAQs
What is the average cost to replace windows?
The average cost to replace a window can range from $450 to $650. There are several factors that affect how much it costs, which include styles and sizes of windows, local labor costs, your property's location, the number of windows, how energy-efficient the windows are and the materials used in designing the windows.
What type of window is the best for energy efficiency?
A window's energy efficiency depends on several factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are typically the most energy-efficient since they are certified by the U.S. Department of Energy.
Can I install my own windows?
If you're handy and have experience with similar home improvement projects, you may be able to install your own windows. But if you don't have the time or skills, we recommend hiring a professional.
How long does it generally take to install windows?
Each window takes about 30 minutes to install depending on the kind of window. However, the window installation can be a two-day job — or more — if you have a lot of windows that must be installed.
How often should you replace your windows?
Windows generally last about 20 to 30 years, but anytime you notice damage on your windows, it's a good time to have an expert take a look at them to see if they are in need of a repair or replacement.