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10 Best Window Replacement Companies in East Northport, NY

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Replacing your windows can be rather costly, but is an excellent way to increase your home's energy efficiency and its value. In East Northport, where the power bills are an average of $1,500 per year, you could be spending an extra $458 annually due to outdated windows. The Department of Energy estimates that heat gained or lost through windows could account for nearly 30% of residential energy climate usage. Picking the best company for you is an important decision. That's why we've curated this list of the best window installation companies in East Northport.

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.
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 East Northport

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

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

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

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

1660 Walt Whitman Rd #140, Melville, NY 11747 (631) 339-7268 powerhrg.com

Timely service

Price transparency

Good customer service

Free assessment

Services Offered

Window replacement/installation
Energy-efficient options

Smithtown Window Replacement and Doors

Smithtown Window Replacement and Doors Logo

Our Rating

User Rating

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

Free assessment

Energy-efficient windows and doors

Weekend availability

Family-owned and operated

Price transparency

Good customer service

Educational website

Services Offered

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

Melville Window Replacement

Melville Window Replacement Logo

Our Rating

User Rating

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

Free assessment

Timely service

Educational website

Good customer service

Price transparency

Services Offered

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

Glass Doctor

Glass Doctor Logo

Our Rating

User Rating

354 Smithtown Blvd, Ronkonkoma, NY 11779 (631) 619-6711 glassdoctor.com

Educational website

Price transparency

Good customer service

Home and auto glass

Membership plans for glass repair

24/7 emergency service

Services Offered

Window replacement/installation
Glass repair
Mirrors
Custom glass
Glass doors
Energy-efficient options
Window repair
Glass showers

Window King LLC

Window King LLC Logo

Our Rating

User Rating

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

Price transparency

No-interest financing

Free assessment

Good customer service

Educational website

Timely service

Free in-home consultation

Estimate price matching

Services Offered

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

Pro Quality Home Improvements Inc.

Pro Quality Home Improvements Inc. Logo

Our Rating

User Rating

1120 Little East Neck Road, West Babylon, NY 11704 (631) 393-6812 proqualityhomeimprovements.com

Free assessment

Free in-home consultation

Timely service

Educational website

No-interest financing

Good customer service

Small business

Price transparency

Services Offered

Window replacement/installation
Bay windows
Skylights
Window repair
Glass doors
Energy-efficient options

Alure Home Solutions

Alure Home Solutions Logo

Our Rating

User Rating

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

Special warranties for military

Price transparency

No-interest financing available

Educational website

Free assessment

Online appointment scheduling

Good customer service

Services Offered

Glass doors
Double-hung
Glass showers
Window replacement/installation

Sky Windows and Doors

Sky Windows and Doors Logo

Our Rating

User Rating

145 N Main St, Freeport, NY 11520 (516) 686-8485 skywindowsnj.com

Educational website

Good customer service

Price transparency

Free assessment

Timely service

Services Offered

Mirrors
Glass doors
Window replacement/installation
Storm/impact windows
Custom glass
Vinyl frames
Energy-efficient options
Wood frames
Metal frames
Glass showers

Bernie's Glass & Mirror

Bernie's Glass & Mirror Logo

Our Rating

User Rating

1554 Fulton St, Brooklyn, NY 11216 (917) 749-4858 berniesglass.com

Free assessment

Price transparency

Timely service

Educational website

Good customer service

Services Offered

Window replacement/installation
Glass doors
Window repair
Double-hung
Glass repair
Glass showers
Mirrors
Energy-efficient options
Skylights
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 East Northport?

The price of window installation or replacement varies based on several 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, East Northport homeowners will spend around $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

Installing new energy-efficient windows can significantly enhance your home's comfort, insulation, appearance, noise reduction, and value. Some clear signs it's time for new windows include the following:

  • Fogging between window panes, condensation issues, or rotting window frames that let in moisture.
  • High energy bills and discomfort from poor window insulation.
  • Windows that are hard to open, close, and lock properly due to age and wear.
  • Inefficient and outdated window styles that take away from your house's curb appeal.
  • Cold air and drafts coming in from old, loose-fitting windows.

How To Choose a Window Company

For a successful window replacement, you need to locate an installer with proven expertise. Below, we cover the most important qualifications for selecting a window installer.

Experience

Find an established local window company with a proven track record of success installing all window types. Experienced providers are more likely to be able to seamlessly accommodate East Northport's climate and local homeowner needs. To verify a provider's reputation, request references from recent customers.

Certifications

Look for installers that are backed by leading window manufacturers and accredited by top industry associations, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Appropriate accreditation indicates that a provider has received suitable training in quality installation methods. Ensure installers are employees, not subcontractors. Verify that the technicians working on your home have 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 verify that a company regularly provides good workmanship and customer service. Avoid companies with complaints of shoddy 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 later on.

Warranties

Seek out window installers that assure quality installations and provide warranties on materials and labor. This shows confidence in their work. Choose companies with unlimited lifetime warranties that can transfer to new homeowners.

Materials

Verify that your window installer works with long-lasting, durable brands, offers power-saving window options, and fits your budget. Look for window options with good energy ratings, design flexibility, and enhanced UV protection, and check whether the materials include their own manufacturer warranties.

Frequently Asked Questions About Window in East Northport, NY

In East Northport, the optimal time to install windows is during the early fall when the temperatures are milder, so the windows can fit and adjust properly. A professional local window installer in East Northport will be able to explain when the best time is to install windows on your home.

The ideal type of replacement windows for your East Northport home depends on the year your home was built –the average house in East Northport was built around 1961. If your home was built a while ago, you may want to consider efficient windows such as double-glazed windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a classic look that's great for older homes. For newer homes, you might want to consider vinyl windows, which are durable, affordable and have a modern look.

The types of window that generally last longest are ones crafted from vinyl or wood, with double glaze for extra insulation. Vinyl windows are famous for their long-lasting nature and need minimal maintenance, while wood windows offer a more timeless look. Tripling up on the glazing will reduce energy costs in the long run.

The typical window installation process can take anywhere from a day and a half to two 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 caulking them in place. On average, it takes around 30 minutes to install each window.

Replacing your own windows can be a complex task, especially in East Northport, where temperatures can get quite warm. It's generally recommended to get a skilled window installer. Their knowledge and experience ensures your windows are correctly installed and that you get the most out of your investment.

After window installation, it's important to inspect the windows for any air leaks and make sure they're properly sealed. You should also wash the windows at least once a year to stop debris from building up and causing damage. Additionally, if you live in an area with abundant rainfall, you should inspect the window sills and frames once a year to make sure that the seals are not deteriorating or breaking.

Getting windows installed by a professional can provide a number of benefits. Professional installers can ensure that your windows are properly installed, weatherproofed, and insulated, minimizing air leakage and maximizing energy efficiency. Professional installers are also trained in the necessary tools and techniques to do the job right, which can save you time and money.

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