20 Best Window Companies in Mahopac, NY (2023 Reviews)
Looking to improve your house's value? The best window replacement companies can help.
We analyzed all the top-rated window companies in Mahopac and selected the best 20 based on:
-
Customer reviews
-
Window installation expertise
-
Popularity with home-owners like you
Please enter a valid 5-digit zip code!

Updated September 15, 2023
Why you can trust EcoWatch
The EcoWatch team is all about finding solutions for eco-conscious homeowners in Mahopac. According to the Department of Energy, heat gained or lost through outdated, drafty windows could represent 25-30% of heating and cooling usage.
Thankfully, saving you money with upgraded windows also helps our goals of conserving energy and the resources it takes to generate it.
Efficient windows are particularly important in Mahopac, where the temperature varies throughout the year. According to Energy Star, switching to energy-efficient windows can save the average homeowner up to $332 a year.
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 Mahopac
The EcoWatch team evaluated many installers in Mahopac to find the best ones for our readers. The providers we've mentioned in this article passed our review standards for energy-efficient offerings as well as price, customer service, local expertise and beyond.

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 has windows expertise in Mahopac. Window World has been in the window installation business for about 27 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.
Window World may be the company for you if you're interested in one 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 WindowsIts high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World’s offerings are Energy Star certified, so make sure you mention that you’re interested in Energy Star windows when inquiring.
How much does Window World cost in Mahopac?Window World doesn’t have any cost information listed on its website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate information is to receive a free quote from the company.

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 has the best availability in Mahopac. Andersen has been in the window installation business for about 27 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.
Andersen may be the company for you if you're interested in 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 offerings 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 Mahopac?Andersen doesn’t have any cost information listed 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. The best way to get more accurate information is to receive 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 offers 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. This provider has 20 years of experience in the windows industry, and it has proved to be one of the best companies in Mahopac. Hundreds of positive reviews on customer review websites back the company's reputation.
It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThe company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products. Not all of Universal’s offerings are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.
How much does Universal Windows Direct cost in Mahopac?Universal does not outline 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 more accurate information, you can receive a quote on the company’s website.
We've recommended installers with good reputations, but bear in mind that some national companies have independently owned locations in Mahopac, so the quality of service may depend on your local crew. We have tried to remain unbiased and transparent by describing pros and cons for every company we reviewed.
More Window Companies in Mahopac
Renewal by Andersen
Stamford, CT-
Educational Website
-
Good Customer Service
-
Free assessment
-
Price Transparency
Services Offered
-
Stained Glass
-
Commercial Windows
-
Custom Window Designs
-
Window Replacement
-
Sliding Glass
-
Glass Showers
-
Double-Hung
-
Residential Windows
Window World of the Hudson Valley
Wappingers Falls, NY-
Free assessment
-
Price Transparency
Services Offered
-
Energy-Efficient Options
-
Window Replacement
-
Residential Windows
-
Sliding Glass
-
Bay Windows
-
Double-Hung
-
Custom Window Designs
Window Nation
Wallingford, CT-
Good Customer Service
-
Price Transparency
-
Free assessment
-
Educational Website
Services Offered
-
Bay Windows
-
Double-Hung
-
Custom Window Designs
-
Sliding Glass
-
Residential Windows
-
Stained Glass
-
Window Replacement
-
Energy-Efficient Options
Honey Do Men Home Remodeling & Repair
Carmel Hamlet, NY-
Free assessment
-
Good Customer Service
-
Price Transparency
-
Timely Service
-
Educational Website
Services Offered
-
Stained Glass
-
Glass Showers
-
Residential Windows
-
Window Replacement
-
Custom Window Designs
Jilco Window Corp.
Granite Springs, NY-
Good Customer Service
-
Price Transparency
Services Offered
-
Window Replacement
-
Full-Service Installations
-
Commercial Windows
-
Custom Window Designs
-
Glass Showers
-
Residential Windows
-
Aluminum Window Frames
HPM Craftsmen
Holmes, NY-
Good Customer Service
-
Free assessment
-
Price Transparency
-
Educational Website
Services Offered
-
Residential Windows
-
Full-Service Installations
-
Double-Hung
-
Glass Showers
-
Fast Delivery
-
Window Replacement
-
Commercial Windows
-
Custom Window Designs
Home Services at The Home Depot
Mohegan Lake, NY-
Free assessment
-
Educational Website
-
Price Transparency
-
Good Customer Service
Services Offered
-
Window Replacement
-
Commercial Windows
-
Residential Windows
-
Fast Delivery
-
Glass Showers
-
Custom Window Designs
-
Stained Glass
Glass Guys
Ridgefield, CT-
Price Transparency
Services Offered
-
Full-Service Installations
-
Double-Hung
-
Glass Showers
-
Window Replacement
-
Commercial Windows
-
Residential Windows
-
Custom Window Designs
C&C Glass
Wappingers Falls, NY-
Good Customer Service
-
Price Transparency
-
Educational Website
Services Offered
-
Commercial Windows
-
Fast Delivery
-
Window Repair
-
Window Replacement
-
Glass Showers
-
Residential Windows
-
Custom Window Designs
Fine Touch Services, LLC
Redding, CT-
Price Transparency
-
Free assessment
-
Good Customer Service
-
Educational Website
Services Offered
-
Glass Showers
-
Sliding Glass
-
Commercial Windows
-
Residential Windows
-
Custom Window Designs
-
Window Replacement
-
Fast Delivery
Pella Windows & Doors of Norwalk
Norwalk, CT-
Price Transparency
-
Good Customer Service
-
Educational Website
-
Free assessment
Services Offered
-
Commercial Windows
-
Residential Windows
-
Bay Windows
-
Window Replacement
-
Double-Hung
-
Sliding Glass
-
Custom Window Designs
Giant Siding and Windows
White Plains, NY-
Price Transparency
-
Good Customer Service
-
Educational Website
-
Timely Service
Services Offered
-
Custom Window Designs
-
Residential Windows
-
Commercial Windows
-
Window Replacement
American Windows Plus Inc
White Plains, NY-
Educational Website
-
Good Customer Service
-
Free assessment
Services Offered
-
Energy-Efficient Options
-
Sliding Glass
-
Custom Window Designs
-
Window Repair
-
Commercial Windows
-
Aluminum Window Frames
-
Window Replacement
-
Residential Windows
-
Double-Hung
Apple Siders LLC
New Milford, CT-
Free assessment
Services Offered
-
Residential Windows
-
Window Replacement
-
Commercial Windows
-
Custom Window Designs
R & J Window Co
Congers, NY-
Price Transparency
-
Free assessment
Services Offered
-
Bay Windows
-
Window Replacement
-
Custom Window Designs
-
Double-Hung
-
Residential Windows
Under the Sun Improvements
Poughkeepsie, NY-
Free assessment
-
Timely Service
-
Price Transparency
Services Offered
-
Residential Windows
-
Window Replacement
-
Custom Window Designs
-
Energy-Efficient Options
Superior Windowland
Newtown, CT-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Window Replacement
-
Residential Windows
-
Custom Window Designs
-
Sliding Glass
-
Glass Showers
-
Double-Hung
Windows By Toll
Stamford, CT-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Glass Showers
-
Custom Window Designs
-
Double-Hung
-
Residential Windows
-
Window Replacement
Greenwich Windows Replacement
Greenwich, CT-
Good Customer Service
-
Price Transparency
-
Free assessment
-
Educational Website
Services Offered
-
Window Replacement
-
Custom Window Designs
-
Bay Windows
-
Residential Windows
-
Double-Hung
CMW Roofing & Siding
Monroe, CT-
Educational Website
-
Free assessment
Services Offered
-
Window Replacement
-
Commercial Windows
-
Residential Windows
-
Custom Window Designs
Calculate how much you can expect to pay for window installation and replacement in Mahopac, 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 Mahopac Saves You Money
Upgrading to energy-efficient windows can help improve the comfort of your home and help you save on electricity bills. Here are more details about how switching out your windows could benefit you:
- Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.
- Better temperature control in your home: When you live in a city like Mahopac where the winters can be very cold, you usually need to depend on your heater to keep your home warm. Energy-efficient windows can cut back on how hard your heater needs to work to heat your home.
- Better temperature control in your home: Energy-efficient windows can decrease the amount of cool air lost through your windows when cooling your home.
- Reduce your carbon footprint: You can reduce your carbon footprint by about 12% when you install Energy Star certified windows. In Mahopac, that's about 65 pounds per year on average.
Estimated Cost of Window Replacement in Mahopac
Windows come in different styles, shapes and purposes, so costs and services will differ greatly depending on several factors. Below, we go over the average cost and services that you'll find from window installers.
How Much Do New Windows Cost?
Generally, homeowners in Mahopac can anticipate that most replacement window installations will cost between $250 and $1,200, with the most common installations sitting at around $600. But costs differ considerably depending 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 initially, but by increasing the efficiency of your home — particularly during the summer and winter — they can give you decades of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Mahopac homeowners $332+ each year after replacing single-pane windows.
Requesting free quotes from several companies is the best way to find out which one is right for you.
What Services do Window Installers Offer?
In general, there are two types of window installation services you can get: full-frame and pocket installations.
Full-frame installations entail replacing the full window, including the trim, frame and sill. Full-frame installations are necessary when you want to change the style of your windows or your window has noticeable damage. Because full-frame installations are more involved, they will increase overall costs. A pocket installation involves installing a new window within the old frame. This means instead of taking out the whole window and rebuilding it, the installer will just put the replacement window (also called a retrofit or insert window) into the frame.
Your window replacement company will be able to help you understand what's best for your needs. In Mahopac, the decision will mostly be based on the age of your windows and if there's any moisture damage. Wood can decay if not maintained properly over the years, so it's a good idea to have a professional examine your frames and window sills.
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 Mahopac
The EcoWatch Reviews team differs from most reviewers since we're examining these companies through a sustainability lens. We have assessed the best window replacement companies in Mahopac primarily based on energy efficiency, as it's what's best for the environment and for you as a homeowner. Energy-efficient windows have been shown to cut your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:
Service Area
This one is self-explanatory, but we've chosen to highlight window installers that serve Mahopac so you can find a quality window installation company near you.
Work Quality
When selecting new windows, the quality and breadth of services often plays just as important of a role in overall efficiency and performance as the type of window you choose. We do give window installers more points if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
Customer feedback is another super important review factor. If most customers don't have nice feedback about their experience with a certain window installation company, it won't be featured on EcoWatch.
Cost
Cheaper windows certainly don't mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing the prices of providers, we gave 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 protected. Window installation companies with 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 a good track record in the industry. Window installation companies that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.
Mahopac, NY Window Replacement FAQs
What is the typical cost to install windows?
The typical cost of replacing one window ranges between $450 and $650. There are several factors that influence how much it costs, including the number of windows, styles and sizes of windows, how energy-efficient the windows are, the materials used in designing the windows, your property's location and local labor costs.
What type of window is the most energy-efficient?
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 usually the most energy-efficient and are certified by the U.S. Department of Energy.
Can you install your own windows?
If you're handy and know how to replace a window, it's possible to install your own windows. But if you don't have the time or know-how, we recommend getting a professional to do it for you.
How long does it typically take to install windows?
Since a window takes about 30 minutes to install, around 16 windows can be installed in an 8-hour work day.
What time of year is the best time to replace my windows?
Replacement windows can be installed at any time, but autumn might be the best season. No matter when you install them, the contractors will take steps to ensure that too much hot or cold air doesn't get into the house, so the temperature outside doesn't necessarily matter that much. What's most important is that the weather should be dry.