28 Best Window Replacement Companies in Mahopac, NY (Mar 2023)
Window Companies Near Me
When it's time to replace your windows, our list of the top window installation companies can help you find the right provider for you.
We analyzed all the top window installers in Mahopac and selected the top 28 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 March 14, 2023
Why you can trust EcoWatch
A guide on the best window installation companies in Mahopac may not seem like the most compelling article on the EcoWatch site, but trust us, windows have more of an impact on your life than you might think. Outdated windows can cost you in electric bills. As a matter of fact, the Department of Energy estimates that 25-30% of your home's heat or cool air could be lost through your windows.
That's bad news for both your bank account and the environment, but one of the top window installation companies can help you with that.
So if you're building a new home, renovating or replacing your windows in Mahopac, this is the best place to get started.
Best Affordability
Window World
- Large serice area
- EnergyStar Partner
- Great industry reputation
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Award-winning company
- Member of US Green Building Council
- Manufactures products in-house
- More expensive than competition
Best Warranty
Universal Windows Direct
- Manufactures products in-house
- Makes charitable contributions
- Lifetime warranty
- Some installations carried out by third-party contractors
Best Window Replacement Companies in Mahopac
The EcoWatch team examined dozens of providers that service the Mahopac area to find the best window installation companies that fit our standards. The companies in this article passed our review standards for energy-efficient offerings as well as local expertise, price, customer service and beyond.

Window World
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Large serice area
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EnergyStar Partner
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Great industry reputation
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Quality of service will depend on your area
Window World offers windows expertise in Mahopac. Window World has been in the window installation business for around 27 years. Hundreds of positive reviews on customer review websites back the provider's reputation.
You may want to consider choosing Window World if you're looking for a installer 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'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 Mahopac?Prices are not available on Window World's website, as the cost of window installment depends 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. For more detailed information on the cost, you can receive a quote from the company.

Renewal by Andersen
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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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More expensive than competition
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 provides services to nearly every state except Mississippi and West Virginia. Many positive reviews from customers online back the provider's reputation.
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 perfect company for you.
Energy Efficiency of Renewal by Andersen WindowsThere are a wide variety of window types that Renewal by Andersen offers, some of which are Energy Star products. 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 Mahopac?Prices are not available on Andersen's website since the cost of window installment differs based on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Requesting a free quote on its website is the best way to know for sure.

Universal Windows Direct
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Manufactures products in-house
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Makes charitable contributions
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Lifetime warranty
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Some installations carried out by third-party contractors
Universal Windows Direct provides the best warranty in Mahopac. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has about 20 years of experience in the window replacement business. Hundreds of positive reviews from customers online back the provider's reputation.
You may want to consider picking 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 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 windows are Energy Star certified, so be sure to mention that you're interested in Energy Star windows when inquiring.
How much does Universal Windows Direct cost in Mahopac?Universal does not display 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. If you'd like to know for sure, you can ask for a quote on the company's website.
We strive to be unbiased and transparent by describing pros and cons for each provider. Additionally, any partnerships do not influence our rankings.
More Window Replacement Companies in Mahopac
TL Home Improvement LLC
Shelton, CT-
Educational Website
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Locally Recognized for Quality
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Good Customer Service
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Free Quotes
Services Offered
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Residential Windows
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Fast Delivery
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Energy-Efficient Options
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Custom Windows
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Aluminum Window Frames
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Full-Service Installations
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Double-Hung
Renewal by Andersen
Stamford, CT-
Price Transparency
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Free Quotes
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Educational Website
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Arrives on Time
Services Offered
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Custom Window Designs
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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 Windows
Renewal by Andersen Window Replacement
Middletown, NY-
Good Customer Service
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Helps Educate Customers
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Free Quotes
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Reliable Service
Services Offered
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Architectural Glass
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Energy-Efficient Options
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Custom Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay Windows
ATM Mirror & Glass
Buchanan, NY-
Good Customer Service
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No-Hassle Pricing
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Locally Recognized for Quality
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Helps Educate Customers
Services Offered
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Residential Windows
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Architectural Glass
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Glass Showers
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Fast Delivery
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Energy-Efficient Options
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Doors
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Sliding Glass
Mr. Handyman of Upper Fairfield County
Fairfield, CT-
Award-Winning
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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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Double-Hung
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Full-Service Installations
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Custom Windows
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Residential Windows
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Business Windows
Giant Siding and Windows
White Plains, NY-
Award-Winning
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Dependable Service
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Reliable Appointment Windows
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No-Hassle Pricing
Services Offered
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Residential Windows
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Custom Window Designs
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Business Windows
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Double-Hung
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Sliding Glass
The Window People
Stamford, CT-
No-Hassle Pricing
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Free Quotes
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Educational Website
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Excellent Customer Service
Services Offered
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Residential Windows
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Architectural Glass
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Energy-Efficient Options
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Custom Windows
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
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Sliding Glass
Complete Roof Systems
Dumont, NJ-
No-fee Quotes
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Excellent Customer Service
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Price Transparency
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Reliable Service
Services Offered
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Residential Windows
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Fast Delivery
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Custom Windows
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Aluminum Window Frames
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Full-Service Installations
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Commercial Windows
ABCO Glazing
Suffern, NY-
No-fee Quotes
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Good Customer Service
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Helps Educate Customers
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No-Hassle Pricing
Services Offered
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Residential Windows
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Architectural Glass
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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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Business Windows
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Stained Glass
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Sliding Glass
Sears Window Replacement
New Rochelle, NY-
Dependable Service
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Helps Educate Customers
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Price Transparency
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Free Quotes
Services Offered
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Sliding Glass
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Custom Windows
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Energy-Efficient Options
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Double-Hung
Lowe's Home Improvement
Highland, NY-
Free Quotes
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Dependable Service
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Excellent Customer Service
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No-Hassle Pricing
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Aluminum Window Frames
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Double-Hung
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Sliding Glass
American Windows Plus Inc
White Plains, NY-
Consistent Workmanship
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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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Residential Windows
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Architectural Glass
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Energy-Efficient Options
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Custom Window Designs
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
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Sliding Glass
Window King of Connecticut
Stamford, CT-
Good Customer Service
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Timely Service
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Price Transparency
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Free Quotes
Services Offered
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Residential Windows
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Double-Hung
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Sliding Glass
All Seasons Roofing & Siding Inc
New Windsor, NY-
Educational Website
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Consistent Workmanship
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Free Quotes
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Good Customer Service
Services Offered
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Residential Windows
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Architectural Glass
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Double-Hung
New Beginnings Window and Door
Wappingers Falls, NY-
Excellent Customer Service
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Educational Website
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Price Transparency
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No-fee Quotes
Services Offered
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Residential Windows
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Architectural Glass
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Fast Delivery
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Custom Windows
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Full-Service Installations
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Business Windows
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Sliding Glass
Ring's End
South Salem, NY-
Educational Website
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No-fee Quotes
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No-Hassle Pricing
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Good Customer Service
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Window Designs
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Business Windows
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Aluminum Window Frames
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Architectural Glass
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Fast Delivery
Window World Westchester
Tuckahoe, NY-
Supports Charities
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Consistent Workmanship
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No-fee Quotes
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Price Transparency
Services Offered
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Custom Window Designs
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Architectural Glass
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Sliding Glass
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Double-Hung
Sears Window Replacement
Newburgh, NY-
Excellent Customer Service
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No-fee Quotes
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Locally Recognized for Quality
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Consistent Workmanship
Services Offered
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Sliding Glass
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Custom Window Designs
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Energy-Efficient Options
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Double-Hung
Franzoso Contracting
Croton-On-Hudson, NY-
Free Quotes
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Price Transparency
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Consistent Workmanship
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Arrives on Time
Services Offered
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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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Energy-Efficient Options
Pella Windows & Doors of Monroe
Monroe, CT-
Award-Winning
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Price Transparency
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Helps Educate Customers
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No-fee Quotes
Services Offered
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Residential Windows
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Custom Window Designs
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Commercial Windows
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Double-Hung
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Sliding Glass
Thermo-Seal Windows, Siding And Roofing
Rye, NY-
Locally Recognized for Quality
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No-fee Quotes
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Good Customer Service
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Reliable Appointment Windows
Services Offered
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Custom Windows
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Residential Windows
A Plus Exterior LLC
Milford, CT-
Award-Winning
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Consistent Workmanship
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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
Pella Windows & Doors of Norwalk
Norwalk, CT-
Free Quotes
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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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Residential Windows
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Custom Windows
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Commercial Windows
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Double-Hung
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Sliding Glass
Superior Remodelers
Newtown, CT-
Educational Website
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No-fee Quotes
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Excellent Customer Service
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Award-Winning
Services Offered
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Residential Windows
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Energy-Efficient Options
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Custom Windows
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Commercial Windows
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Double-Hung
Pleasantville Glass & Mirror Inc.
Hawthorne, NY-
Price Transparency
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Arrives on Time
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Excellent Customer Service
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Consistent Workmanship
Services Offered
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Heavy Glass
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Tempered Glass
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Custom Windows
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Commercial Windows
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Stained Glass
HPM Craftsmen - Renovations, Bathroom & Kitchen Remodeling Contractors Holmes NY
Holmes, NY-
Consistent Workmanship
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Good Customer Service
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No-fee Quotes
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Helps Educate Customers
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Window Designs
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Residential Windows
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Commercial Windows
Affordable Windows And Doors
Monsey, NY-
Award-Winning
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Helps Educate Customers
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Price Transparency
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Good Customer Service
Services Offered
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Residential Windows
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Fast Delivery
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Custom Window Designs
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Aluminum Window Frames
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Business Windows
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Double-Hung
House Window Replacement & Installation
third floor, NJ-
Good Customer Service
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Educational Website
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No-fee Quotes
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Price Transparency
Services Offered
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Residential Windows
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Energy-Efficient Options
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Custom Window Designs
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Commercial Windows
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Double-Hung
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Sliding Glass
How Installing Energy-Efficient Windows in Mahopac Saves You Money
By switching to energy-efficient windows, you and your family can enjoy several benefits, including:
- Protect your investment: When you have an older home, your windows could also be outdated or drafty. Upgrading your windows is an important part of maintaining your property and its real estate value.
- Decrease your carbon footprint: In Mahopac, you can reduce your indirect greenhouse gas emissions by about 65 pounds per year when you install energy-efficient windows.
- Save money on power bills: After you install energy-efficient windows, you can expect a reduction in your bills by about 12% because you'll use less energy to heat or cool your house.
- Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
Estimated Cost of Window Replacement in Mahopac
Windows come in varying shapes and sizes, so costs and services will differ remarkably. Here are the typical costs and the primary services that you can find from window installers.
How Much Do New Windows Cost?
The national average cost to install one window is about $600 but can range from $200 to $1,200. But costs will differ significantly depending on your location, the number of windows you need, the current condition of your home and the quality of your products. A lot of window companies also offer replacement door installations and other add-ons like coating, shutters, baths and more. These extra services will increase overall project costs.
It's important to remember that windows with the best efficiency may cost more initially but can save you hundreds of dollars via returns on your energy bills. Investing in certified energy-efficient windows can save Mahopac homeowners $332+ a year when replacing single-pane windows.
Costs will also vary depending on the material of your frame. Aluminum frames are the least expensive. They're sturdy, light and maintenance-free, but provide poor insulation. Vinyl frames are a bit more expensive and provide good insulation. Composite frames made from wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They're also aesthetically pleasing and provide decent insulation for your home.
What Services do Window Installers Offer?
There are generally two types of window installation services: full-frame and pocket installations.
A full-frame installation replaces the complete window, such as the sill, frame, trim and the window panes. Because this type of installation requires more time, it will cost more than a pocket installation. A pocket installation involves replacing a window within the old frame. So, instead of taking out the whole window and rebuilding it, the window installer will just put the replacement window (also called a retrofit or insert window) into the frame.
If you're unsure which type of window installation service you need, your installer can assist you. Generally, the choice is based on factors such as the age and condition of the home, the type of building material, budget and time restrictions.
Best Affordability
Window World
- Large serice area
- EnergyStar Partner
- Great industry reputation
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Award-winning company
- Member of US Green Building Council
- Manufactures products in-house
- More expensive than competition
Best Warranty
Universal Windows Direct
- Manufactures products in-house
- Makes charitable contributions
- Lifetime warranty
- Some installations carried out by third-party contractors
How We Choose the Best Window Installers in Mahopac
In our hunt to make your home improvements easier and more eco-friendly in Mahopac, EcoWatch evaluated dozens of companies before settling on these. Along with energy efficiency, we reviewed each installer and ranked them using the following methodology:
Service Area
Because this is a guide for Mahopac, we gave more points to companies that provide services to the city. There are other reputable providers that didn't make our list because they wouldn't be able to serve homeowners in Mahopac.
Work Quality
When picking new windows, the quality and breadth of services can often play just as important of a role in insulation 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
Customer feedback is another very important review factor. If the majority of customers don't have good things to say about their experience with a certain installer, you won't see it featured on EcoWatch.
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 points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
Protecting your investment in new windows is important to many homeowners. 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 installers 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.
Mahopac, NY Window Replacement FAQs
How much does a window install cost?
The national average cost to install one window is about $600 but can range between $200 and $1,200, depending on a few different factors. The price is usually 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 upfront but can save you hundreds of dollars a year in energy bills.
Which kind of window should I get?
A window's energy efficiency is influenced by a variety of 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 and are certified by the U.S. Department of Energy.
What services do window installation companies provide?
Window installation companies will do the entire process — from replacing old windows with brand new ones to cleaning up after the windows have been put in place. In addition, many companies offer window manufacturing, customization and repairs.
How often do you need to replace your windows?
Windows have a typical lifespan of about 20 to 30 years. If your windows are older than that, they should probably be replaced. Other than that, if your windows have damage anywhere on them, or they have become difficult to operate, they may be in need of replacement.