20 Best Window Companies in South Lockport, NY (2023 Reviews)
When the time comes to replace your windows, our reviews of the best window installation companies can help you find the right provider for you.
We analyzed all the top-rated window companies in South Lockport and selected the best 20 based on:
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Customer reviews
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Window installation expertise
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Popularity with home-owners like you
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Updated September 15, 2023
Why you can trust EcoWatch
The EcoWatch Reviews team is all about finding solutions for eco-conscious homeowners in South Lockport. If your house has traditional, outdated windows, your HVAC system could be working extra hard to heat or cool your house. This means spending more on energy bills.
That's also bad news for the environment, as the additional energy used by damaged windows increases your carbon footprint.
So if you're building a new home, renovating or changing out old windows in South Lockport, this guide is the best place to get started.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
Best Window Installation & Replacement Companies in South Lockport
The EcoWatch team assessed dozens of installers across the country to find the best window installation companies for our readers. The installers in this article scored best in our review categories, such as energy-efficient offerings, availability, customer service, local expertise, price and more.

Window World
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EnergyStar Partner
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Large serice area
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Low prices relative to competitors
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Great industry reputation
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Lifetime warranty
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Quality of service will depend on your area
Window World offers windows expertise in South Lockport. This provider has 27 years of experience in the windows industry, and it has become one of the best companies in the business.
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 right provider for you.
Energy Efficiency of Window World WindowsWindow World’s commitment to sustainability shows in its 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 South Lockport?Window World doesn’t have any cost information displayed on its website, but it's known for offering some of the most affordable window installations around. If you’d like more accurate information, you can inquire about a quote on the company’s website.

Renewal by Andersen
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Great industry reputation
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Award-winning company
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Member of US Green Building Council
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Manufactures products in-house
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No lifetime warranty
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More expensive than competition
Renewal by Andersen offers the best availability in South Lockport. Andersen has been in the window installation business for around 27 years. Its reputation is backed by many positive reviews from customers online.
Andersen may be the company for you if you want one 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’d like Energy Star windows when inquiring.
How much does Renewal by Andersen cost in South Lockport?Prices aren’t listed on Andersen’s website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. The best way to get more accurate information is to ask for a free quote from the company.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct offers the best warranty in South Lockport. This company has been operating since 2002 and currently services 27 states nationwide. The company has many glowing reviews from customers on online review websites.
You may want to consider choosing Universal if you're looking for a installer that 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 with 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 Universal representative when inquiring about services.
How much does Universal Windows Direct cost in South Lockport?Pricing information is not available on Universal’s website, as the cost of window installment depends on how many and what type(s) of windows you need. However, installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. Receiving a free quote on its website is the best way to get more accurate pricing information.
We strive to remain unbiased and transparent by describing pros and cons for every company we review. Additionally, our rankings are not influenced by any partnerships.
More Window Companies in South Lockport
Renewal By Andersen of Western New York
Depew, NY-
Free assessment
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Price Transparency
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Good Customer Service
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Educational Website
Services Offered
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Custom Window Designs
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Sliding Glass
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Residential Windows
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Energy-Efficient Options
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Bay Windows
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Window Replacement
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Double-Hung
Window World of Buffalo
Depew, NY-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Bay Windows
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Residential Windows
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Energy-Efficient Options
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Double-Hung
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Custom Window Designs
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Window Replacement
Home Services at The Home Depot
Lockport, NY-
Good Customer Service
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Price Transparency
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Educational Website
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Free assessment
Services Offered
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Fast Delivery
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Window Replacement
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Custom Window Designs
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Commercial Windows
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Residential Windows
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Stained Glass
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Glass Showers
Nexgen Windows & Doors LLC
East Amherst, NY-
Price Transparency
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Free assessment
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Good Customer Service
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Educational Website
Services Offered
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Window Replacement
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Residential Windows
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Sliding Glass
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Double-Hung
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Bay Windows
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Energy-Efficient Options
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Custom Window Designs
TBrothers Renovations
Tonawanda, NY-
Good Customer Service
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Timely 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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Fast Delivery
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Custom Window Designs
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Residential Windows
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Window Replacement
Comfort Windows & Doors
Tonawanda, NY-
Educational Website
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Custom Window Designs
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Full-Service Installations
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Aluminum Window Frames
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Double-Hung
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Glass Showers
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Residential Windows
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Window Replacement
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Commercial Windows
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Sliding Glass
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Bay Windows
Express Windows
Buffalo, NY-
Educational Website
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Free assessment
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Price Transparency
Services Offered
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Window Replacement
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Residential Windows
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Custom Window Designs
Tomson Window
Niagara Falls, NY-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Window Replacement
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Double-Hung
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Custom Window Designs
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Sliding Glass
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Residential Windows
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Bay Windows
Buffalo Glass Block
Buffalo, NY-
Educational Website
Services Offered
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Glass Showers
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Window Replacement
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Commercial Windows
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Custom Window Designs
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Residential Windows
Wonder Windows Buffalo
Buffalo, NY-
Price Transparency
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Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Commercial Windows
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Fast Delivery
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Glass Showers
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Residential Windows
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Bay Windows
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Sliding Glass
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Double-Hung
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Custom Window Designs
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Window Replacement
Gutter People by Highland
Depew, NY-
Timely Service
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Good Customer Service
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Educational Website
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Free assessment
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Price Transparency
Services Offered
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Custom Window Designs
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Residential Windows
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Fast Delivery
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Aluminum Window Frames
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Window Replacement
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Commercial Windows
Medina Windows
Lyndonville, NY-
Free assessment
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Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Custom Window Designs
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Window Replacement
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Residential Windows
Big L Windows & Doors
Cheektowaga, NY-
Educational Website
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Free assessment
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Price Transparency
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Timely Service
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Good Customer Service
Services Offered
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Window Replacement
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Custom Window Designs
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Bay Windows
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Commercial Windows
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Residential Windows
Moderncraft Home Improvement
Lancaster, NY-
Price Transparency
Services Offered
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Window Replacement
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Residential Windows
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Custom Window Designs
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Sliding Glass
Window Factory Outlet
Buffalo, NY-
Price Transparency
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Good Customer Service
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Free assessment
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Timely Service
Services Offered
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Double-Hung
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Sliding Glass
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Custom Window Designs
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Window Replacement
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Residential Windows
Stanek Windows
West Seneca, NY-
Free assessment
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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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Custom Window Designs
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Sliding Glass
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Residential Windows
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Energy-Efficient Options
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Window Replacement
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Bay Windows
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Double-Hung
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Commercial Windows
American Glass Block
Buffalo, NY-
Free assessment
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Price Transparency
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Good Customer Service
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Timely Service
Services Offered
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Window Replacement
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Glass Showers
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Aluminum Window Frames
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Fast Delivery
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Custom Window Designs
Tschetter's Complete Home
West Seneca, NY-
Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Commercial Windows
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Residential Windows
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Energy-Efficient Options
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Window Replacement
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Custom Window Designs
WNY Remodeling
NY 14004, NY-
Free assessment
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Price Transparency
Services Offered
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Window Replacement
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Residential Windows
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Glass Showers
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Custom Window Designs
Landmark Home Solutions
St. Catharines, Canada-
Free assessment
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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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Window Replacement
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Custom Window Designs
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Stained Glass
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Aluminum Window Frames
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Commercial Windows
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Residential Windows
Calculate how much you can expect to pay for window installation and replacement in South Lockport, 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 South Lockport Saves You Money
By upgrading to energy-efficient windows, you and your family can take advantage of several benefits, such as:
- More efficient energy usage in your home: In South Lockport where the summers can get pretty warm, energy-efficient windows decrease how much cool air is lost through your windows, making it easier to keep your house cool.
- Protect your investment: If your home is on the older side, your windows are most likely in need of replacement. Upgrading your windows can improve the insulation in your home and also help increase the value of your home if you decide to sell.
- Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help prevent your floors, carpets and furniture from fading by filtering out UV rays.
- Save money on power bills: The Department of Energy estimates that heat gained or lost via windows accounts for around 25-30% of energy use in your home. Switching to energy-efficient windows can help reduce that number, which helps you save $335 a year on your bills.
Estimated Cost of Window Replacement in South Lockport
When looking into window installation, each company provides varying services and prices. Let's take a look at some average costs and services.
How Much Do New Windows Cost?
On average, South Lockport homeowners can anticipate their window replacements to range from $250 to $1,200. The most common installations sit at approximately $600. But costs differ considerably 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 provide door installations and replacements, which will add extra costs to your project.
With windows, efficiency is the most important factor for most homeowners. Windows with higher efficiency may cost more upfront, but by increasing the efficiency of your home — especially during the winter — they can provide decades of energy savings. According to Energy Star, buying certified energy-efficient windows can save South Lockport homeowners $335+ a year after replacing single-pane windows.
We advise requesting free quotes from multiple window installation companies to find the right windows and the company that works best for you.
What Services do Window Installers Offer?
The first step when considering a replacement is to think about whether you need a full-frame or pocket installation.
A full-frame installation replaces the entire 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. A pocket installation entails replacing a window without replacing the frame. This means instead of removing the whole window and reinstalling it, the contractor will just slide the replacement window (also called a retrofit or insert window) into the frame.
Your window installation company can help you decide which type of installation you should get.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
How We Choose the Best Window Installers in South Lockport
EcoWatch differs from most reviewers since we evaluate these companies through a sustainability lens. We have reviewed the top window installation companies in South Lockport mainly based on their energy efficient offerings, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows can reduce your electricity 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 installation companies that serve the South Lockport area so you can find the best window installation company near you.
Work Quality
When selecting new windows, the quality and variety of services often plays just as important of a role in overall efficiency and performance as the type of window you choose. 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 customer feedback to find the companies with the highest rates of 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, cost, professionalism, quality of installation, warranty and more.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing providers' prices, we awarded higher points 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 offer lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Last but not least, we like to see companies that have been in the industry for quite some time. Window installation companies that have more years of experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.
South Lockport, NY Window Replacement FAQs
How much should a window install cost?
The national average cost to install one window is around $600 but can range from $200 to $1,200, depending on a few different factors. The price is typically influenced by the location of your property, the type and material of the window and the size of the window. Also, remember that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.
What are the most common types of replacement windows?
The most common kinds of windows for homes include: bay windows, slider windows, transom windows, picture windows, double-hung and single-hung windows, casement windows and awning windows.
What do window installers do?
Window installation professionals go to your property to remove your old windows and replace them with new ones. Some companies install products made by other companies, whereas others install their own windows. The installer will also clean up after the installation is done.
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 doesn't necessarily matter that much. What's most important is that the weather should be dry.