10 Best Window Replacement Companies in Mahopac, NY

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Last Updated: February 25, 2025

Windows play an important role in the appearance of your house, as well as its energy efficiency. Upgrading your windows is a great way to increase the value of your home. According to the Department of Energy, heat gained or lost through outdated windows could be responsible for 25–30% of the climate control costs in your home. By upgrading to energy-efficient windows, you could save an extra $332 on your power bills annually in Mahopac. If you can't decide on a window installation company, you've found the best place to get started. Keep reading to find the best window installation companies in Mahopac.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Mahopac

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen of Long Island

Renewal by Andersen of Long Island Logo

Our Rating

User Rating

2029 New Hwy, Farmingdale, NY 11735 (631) 843-1713 renewalbyandersen.com

Free assessment

Good customer service

Educational website

Price transparency

Services Offered

Window replacement/installation
Bay windows
Double-hung
Glass doors
Skylights

Power Home Remodeling

Power Home Remodeling Logo

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User Rating

60 Commerce Dr Suite 150, Trumbull, CT 06611 (203) 659-4843 powerhrg.com

Timely service

Price transparency

Free assessment

Good customer service

Services Offered

Energy-efficient options
Window replacement/installation

Smithtown Window Replacement and Doors

Smithtown Window Replacement and Doors Logo

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User Rating

43 Landing Ave, Smithtown, NY 11787 (631) 646-2386 smithtownwindowsdoors.com

Weekend availability

Free assessment

Energy-efficient windows and doors

Good customer service

Educational website

Price transparency

Family-owned and operated

Services Offered

Energy-efficient options
Fiberglass frames
Custom window designs
Triple pane glass
Tempered glass
Glass showers
Storm/impact windows
Wood frames
Bay windows
Window replacement/installation
Vinyl frames
Glass doors
Window repair
Double-hung
Metal frames

The Glass Guru

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User Rating

130 Hackensack St, East Rutherford, NJ 07073 (201) 366-3699 theglassguru.com

Good customer service

Free assessment

Educational website

Services Offered

Storm/impact windows
Mirrors
Tempered glass
Window replacement/installation
Window repair
Wood frames
Energy-efficient options
Screen repair
Glass showers
Vinyl frames
Triple pane glass
Custom glass
Skylights
Glass repair
Fiberglass frames
Metal frames
Glass doors

Melville Window Replacement

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User Rating

560 Walt Whitman Rd, Melville, NY 11747 (631) 710-7533 melvillewindowreplacement.com

Price transparency

Timely service

Educational website

Free assessment

Good customer service

Services Offered

Energy-efficient options
Glass doors
Vinyl frames
Metal frames
Double-hung
Tempered glass
Window replacement/installation
Window repair
Custom window designs
Wood frames
Fiberglass frames
Bay windows
Triple pane glass

PJ Fitzpatrick

PJ Fitzpatrick Logo

Our Rating

User Rating

323 Passaic Ave, Fairfield, NJ 07004 (866) 868-3501 pjfitz.com

Good customer service

Free assessment

Educational website

Price transparency

Timely service

Services Offered

Skylights
Vinyl frames
Window replacement/installation
Window repair
Bay windows
Glass doors
Glass showers
Double-hung
Energy-efficient options

Window King LLC

Window King LLC Logo

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User Rating

1075 Morris Park Ave, Bronx, NY 10461 (718) 792-5989 windowking.biz

Free assessment

No-interest financing

Good customer service

Estimate price matching

Free in-home consultation

Price transparency

Educational website

Timely service

Services Offered

Vinyl frames
Window replacement/installation
Double-hung
Glass doors
Energy-efficient options

Alure Home Solutions

Alure Home Solutions Logo

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User Rating

1999 Hempstead Tpke, East Meadow, NY 11554 (516) 296-7777 alure.com

No-interest financing available

Online appointment scheduling

Free assessment

Special warranties for military

Good customer service

Price transparency

Educational website

Services Offered

Window replacement/installation
Glass showers
Double-hung
Glass doors

Window Repair US Inc

Window Repair US Inc Logo

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User Rating

101 6th Ave 8th Floor Suite #807, New York, NY 10013 (929) 209-4937 glassesandwindows.com

Good customer service

Timely service

24/7 emergency service

Price transparency

Online appointment scheduling

Free in-home estimate

Free assessment

Educational website

Services Offered

Storm/impact windows
Window replacement/installation
Glass repair
Window repair

Window Depot USA of Southern CT

Window Depot USA of Southern CT Logo

Our Rating

User Rating

5726 Main St STe 2a, Trumbull, CT 06611 (203) 309-6027 windowdepotsouthernct.com

Good customer service

Price transparency

Timely service

Educational website

Free assessment

Services Offered

Window replacement/installation
Vinyl frames
Double-hung
Triple pane glass
Bay windows
Energy-efficient options
Glass doors
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Mahopac?

The cost of window installation or replacement varies based on a number of factors, including the materials you choose, the number and size of the windows, and how difficult your windows are to access or install. On average, Mahopac homeowners should expect to spend about $290 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Replacing your old windows with new energy-efficient ones can significantly improve your home's value, comfort, appearance, noise reduction, and insulation. Clear indicators it's time to invest in new windows include:

  • Windows that are hard to open, close, or lock properly due to wear and age.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • Discomfort and high energy bills due to poor window insulation.
  • Condensation issues, fogging between window panes, or rotting window frames that let in moisture.
  • Outdated and inefficient window styles that take away from your home’s curb appeal.

How To Choose a Window Company

For a successful window replacement, you want to locate an installation contractor with proven expertise. Below, we outline the most important qualifications for picking a window installer.

Experience

Look for reputable local companies with a long track record of experience successfully installing all kinds of windows. These providers are more likely to understand Mahopac's climate and your requirements. Ask for references from recent clients to confirm the quality of a company's work.

Certifications

Look for installers that are backed by top window manufacturers and certified by leading industry groups, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Proper certification shows that a provider has gotten proper training in installation best practices. Ensure installers are employees rather than subcontractors. Verify that the technicians assigned to your job hold the right certifications.

Reputation

Spend time reading through online reviews, checking the Better Business Bureau (BBB), and asking for local references. Review customer feedback to make sure that a company regularly provides good workmanship and customer service. Avoid companies with complaints of poor work or unfinished jobs.

Process

The best company will take time to provide you with a detailed project plan, timeline, expectations, and reviews of all material and installation options. Beware of unclear quotes or timelines that lack clear and specific information. Look for consistent communication throughout the process to avoid surprises once the project gets underway.

Warranties

Look for companies that back their work with guarantees and provide warranties on products and labor. This shows confidence in their window installations. Seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Make sure the window company offers durable, long-lasting window options and top energy-saving window brands within your budget. Look for good energy ratings, enhanced UV protection, and design flexibility. Check that the window materials also come with manufacturer warranties.

Frequently Asked Questions About Window in Mahopac, NY

In Mahopac, the best time to install windows is when temperatures are mild, generally in the spring or fall. These conditions enable professionals to work with less worry about the weather.

The best type of replacement window for your Mahopac home will vary based on your home's age, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wood windows can provide a classic look and feel, while vinyl windows tend to be popular in more modern homes. Fiberglass windows are also a popular choice, as they can be energy efficient and durable.

The most expensive windows are double-hung windows. They are more complex than single-hung windows, and so are more costly. Single-hung windows are the cheapest on the market. In terms of frames, vinyl and aluminum are the most affordable options.

The typical window installation process can take anywhere from one to two and a half days, depending on the size and number of windows being replaced. This includes taking out the old windows, measuring for the new windows, installing the new windows, and sealing them in place. In general, it takes about 30 minutes to install each window.

If you live in a rainier climate like Mahopac, you should wipe off any debris or dirt buildup on the windows often. Additionally, you need to check your windows monthly to make sure they're working correctly. It's also a good idea to get a professional to inspect your windows annually for any hidden damages or issues.

Yes, many window installers offer financing for their services. Different companies have their own financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $119,563 a year in Mahopac, you may be able to qualify for special payment plans.

Getting a professional window installer helps make sure the job is done correctly. Professional installers will measure in order to get a perfect fit and use the right materials and techniques to ensure your windows will be correctly sealed and fitted. Additionally, professional installers have access to better materials and more knowledge than the average homeowner, so you can count on your windows to be installed correctly and last for years to come.

Other Mahopac, NY Home Services

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