20 Best Window Companies in Clarence, NY (2025 Reviews)
Thinking of improving your home’s value? The top window replacement companies can help.
We analyzed all the top-rated window companies in Clarence and selected the best 20 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
Although eco-friendly energy sources like wind and solar are important when it comes to lowering your carbon footprint, improving your home’s efficiency can also have a big impact on home energy conservation. Drafty windows can make your home uncomfortable in the summer or winter.
Replacement windows improve your home’s insulation, not only making you more comfortable during the summer and winter, but also saving you money and helping the environment.
Efficient windows are of particular importance in Clarence, where winters are long and cold. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $368 a year.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Window Installation & Replacement Companies in Clarence
The EcoWatch Reviews team evaluated dozens of installers in Clarence to find the best window installation companies for our readers. The companies mentioned in this article scored best in our review categories, which include energy-efficient offerings, local expertise, price, availability, customer service and more.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World provides windows expertise in Clarence. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been operating since 1995 and currently provides services to 200 locations nationwide.
It 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 is an Energy Star partner offering 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 ask your Window World representative when inquiring about services.
How much does Window World cost in Clarence?Window World does not mention prices on its website, but it's known for offering some of the most affordable window installations around. You can inquire about a free quote on its website for more information about the cost.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
More expensive than competition
Renewal by Andersen provides the best availability in Clarence. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been operating since 1995 and currently provides services to nearly every state except Mississippi and West Virginia.
It uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen is an Energy Star partner offering 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 ask your Andersen representative when inquiring about services.
How much does Renewal by Andersen cost in Clarence?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. You can inquire about a free quote on its website for more information about the cost.
We’ve recommended providers with shining reputations, but bear in mind that these are national companies, so your service may depend on your local crew. We have tried to remain unbiased and transparent by listing pros and cons for every company reviewed.
More Window Companies in Clarence
Becker Glass Block
Spencerport, NYPrice Transparency
Free assessment
Educational Website
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Medina Windows
Lyndonville, NYEducational Website
Price Transparency
Good Customer Service
Free assessment
Services Offered
Window Replacement/Installation
Custom Window Designs
Energy-Efficient Options
Vinyl Frames
Glass Doors
Renewal By Andersen of Western New York
Depew, NYEducational Website
Good Customer Service
Free in-home or virtual consultation
Limited lifetime warranty
Price Transparency
Free assessment
No-interest financing
Services Offered
Energy-Efficient Options
Glass Doors
Window Replacement/Installation
Custom Window Designs
Double-Hung
Bay Windows
Braymiller Builders of WNY Inc.
Hamburg, NYGood Customer Service
Price Transparency
Free assessment
Educational Website
Services Offered
Vinyl Frames
Glass Doors
Bay Windows
Window Replacement/Installation
Glass Showers
Double-Hung
Express Windows
Buffalo, NYPrice Transparency
Educational Website
Free assessment
Services Offered
Window Replacement/Installation
Glass Doors
Vinyl Frames
Hawkeye Glass Block and Basement Solutions
Rochester, NYGood Customer Service
Free assessment
Educational Website
Price Transparency
Services Offered
Energy-Efficient Options
Window Replacement/Installation
Rochester Colonial Manufacturing
Rochester, NYEducational Website
Price Transparency
Free assessment
Services Offered
Window Replacement/Installation
Fiberglass Frames
Genesee Glass & Mirror Inc.
Rochester, NYEducational Website
Good Customer Service
Services Offered
Window Replacement/Installation
Mirrors
Custom Glass
Glass Repair
Glass Showers
Matthews & Fields Lumber
Rochester, NYPrice Transparency
Good Customer Service
Free assessment
Educational Website
Services Offered
Window Replacement/Installation
Mr. Handyman of Rochester South and East
East Rochester, NYEducational Website
Good Customer Service
Timely Service
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Pella Windows & Doors of Buffalo
Buffalo, NYGood Customer Service
Free assessment
Educational Website
Services Offered
Window Replacement/Installation
Double-Hung
Glass Doors
Custom Window Designs
Wood Frames
Big L Windows & Doors
Cheektowaga, NYGood Customer Service
Limited lifetime warranty
Free assessment
Free in-home or virtual consultation
No-interest financing
Educational Website
Timely Service
Price Transparency
Services Offered
Glass Doors
Bay Windows
Window Replacement/Installation
MIRIS Building Supplies
North Tonawanda, NYPrice Transparency
Services Offered
Skylights
Window Replacement/Installation
Glass Doors
Pace Window & Door Co
Victor, NYEducational Website
Good Customer Service
Price Transparency
Free assessment
Services Offered
Glass Doors
Window Replacement/Installation
Vinyl Frames
Bay Windows
Window Factory Outlet
Buffalo, NYLifetime residential warranty
No-interest financing
Price Transparency
Good Customer Service
Free assessment
Free in-home consultations
Timely Service
Services Offered
Bay Windows
Vinyl Frames
Double-Hung
Window Replacement/Installation
Glass Doors
Pella Windows & Doors of Rochester
Rochester, NYFree assessment
Good Customer Service
Educational Website
Services Offered
Double-Hung
Window Replacement/Installation
Glass Doors
Comfort Windows & Doors
Rochester, NYGood Customer Service
Price Transparency
Educational Website
Free assessment
Services Offered
Bay Windows
Double-Hung
Glass Showers
Energy-Efficient Options
Glass Doors
Vinyl Frames
Window Replacement/Installation
Wood Frames
Advance Glass
Williamsville, NYGood Customer Service
Free assessment
Services Offered
Glass Showers
Window Replacement/Installation
Custom Glass
Mirrors
Energy-Efficient Options
Stanek Windows
West Seneca, NYGood Customer Service
Free assessment
Educational Website
Services Offered
Vinyl Frames
Window Replacement/Installation
Double-Hung
Glass Doors
Energy-Efficient Options
Bay Windows
Window World of Buffalo
Depew, NYEducational Website
Free assessment
Services Offered
Glass Doors
Window Replacement/Installation
Vinyl Frames
Double-Hung
Energy-Efficient Options
Bay Windows
Calculate how much you can expect to pay for window installation and replacement in Clarence, NY 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 Clarence Saves You Money
Upgrading to energy-efficient windows can help improve the comfort of your home and help you save on power bills. Here are more details about how switching out your windows could benefit you:
- Protect your valuables: Many Energy Star certified 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.
- Reduce your carbon footprint: Because energy-efficient windows improve the insulation in your house, you can lower your carbon footprint by about 12%, according to Energy Star.
- Protect your investment: The older your home is, the more likely it is that getting new windows will benefit you. Older homes usually have windows that are outdated, leaky or potentially even damaged in some way. Upgrading your windows could help increase the value of your home if you decide to sell.
- Save on energy bills: Since energy-efficient windows decrease the amount of energy needed to heat or cool your home, the switch can help you save about $368 annually on your energy bills in Clarence.
Estimated Cost of Window Replacement in Clarence
Let’s go over the cost of window replacement and the types of services you may need for your home.
How Much Do New Windows Cost?
Typically, Clarence homeowners can anticipate their replacement window installations to range from $250 to $1,200. The average cost sits at approximately $600. But costs vary remarkably based on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also offer door installations and replacements, which will make your project cost more.
With windows, efficiency is one of the most important factors for many homeowners. Efficient windows may cost more upfront, but by increasing the efficiency of your home — particularly during the winter — they can provide decades of energy savings. According to Energy Star, buying certified energy-efficient windows can save Clarence homeowners $368+ per year after replacing single-pane windows.
We recommend getting free quotes from several window installation companies to find the one that works best for you.
What Services do Window Installers Offer?
Generally, there are two kinds of window replacement services companies offer: full-frame and pocket installations.
Full-frame installations entail replacing the full window, including the sill, trim and frame. You most likely need a full-frame installation when you want a new style or your window has considerable rot or deterioration. These installations are more involved and will raise the overall cost. Pocket installations (also known as retrofits) are when you replace a window without replacing the frame. Pocket installations are simpler and won’t carry as large a bill, but you can’t do this kind of installment if you have any pre-existing rot or water damage.
Your window installation company will be able to help you choose what’s best for your needs. In Clarence, the decision will mostly depend on how old your windows are and if there’s any moisture damage. Wood can decay if not properly maintained over the years, so it’s a good idea to have a professional assess your frames and window sills.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
How We Choose the Best Window Installers in Clarence
EcoWatch reviews are different from other reviews because we’re examining these companies through a sustainability lens. We’ve reviewed the top window installers in Clarence mainly based on their energy efficient offerings, as it’s the most sustainable option and the best one for homeowners. Energy Star certified windows can lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:
Service Area
This one is pretty self-explanatory, but we’ve chosen to highlight window installers that serve the Clarence area so you can find a quality window installation company near you.
Work Quality
We’re certain that you’re not looking for a company to do a shoddy job installing windows. We’ve vetted each company included on this list to ensure its technicians are well-qualified and that the company has received a lot of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed patterns in recent customer feedback to determine the companies with the most consistent customer satisfaction. Customer satisfaction might be the most important factor, as it indicates the quality of services across nearly every category, including professionalism, warranty, quality of installation, cost, quality of parts and more.
Cost
Cheaper windows certainly don’t mean better windows, but we know many of our readers want to keep costs low when 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. That’s why window installation companies that have lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Because of Clarence’s climate, homeowners need to be wary of rot, low efficiency and water damage. We factored in local experience to reflect the ability of Clarence window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Clarence, NY Window Replacement FAQs
How much should a window install cost?
The national average cost to replace one window is around $600 but can range between $200 and $1,200, depending on several 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, bear in mind that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.
What kind of window is the most energy-efficient?
Generally, double-pane windows are more efficient than single-pane windows and windows that don’t open will be more efficient than windows that do. To be sure you’ll have the most energy-efficient windows, look for models that have the blue Energy Star certification attached to them — they’re certified energy-efficient by the U.S. Department of Energy.
What do window installation companies do?
Window installers visit your house to remove your old windows and replace them with new ones. Some providers install products manufactured by other companies, whereas others install their own windows. The installer will also clean up after the installation is finished.
What time of year should I replace my windows?
Replacement windows can be installed during any season, but warmer weather is typically better. No matter when you install them, the contractors will take steps to make sure that too much hot or cold air doesn’t get into the house, so the temperature outside isn’t necessarily a big factor. What’s most important is that the weather should be dry.
Should I replace my windows all at once?
If your windows are more than 20 years old, it’s most likely time to replace all of them. At that point, they are typically less efficient, leakier and/or more damaged than new windows. Doing your windows all at once will involve less paperwork and less time.