10 Best Window Replacement Companies in Mastic, NY

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Last Updated: February 25, 2025

Whether you're looking to upgrade your home or are simply in need of a change, replacing your windows is a great plan. Your windows play a key role in your home's value and its energy efficiency. According to the Department of Energy, heat gained or lost through outdated windows could represent 25–30% of the climate control costs in your home. By upgrading to energy-efficient windows, you could save an extra $215 on your electricity bills annually in Mastic. If you're looking for a window installation company, this is the best place to get started. Keep reading to discover the best window installers in Mastic.

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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 Mastic

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

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

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

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

Free assessment

Good customer service

Price transparency

Services Offered

Energy-efficient options
Window replacement/installation

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

Educational website

Price transparency

Good customer service

Free assessment

Family-owned and operated

Energy-efficient windows and doors

Weekend availability

Services Offered

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

Melville Window Replacement

Melville Window Replacement Logo

Our Rating

User Rating

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

Good customer service

Free assessment

Timely service

Educational website

Price transparency

Services Offered

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

Glass Doctor

Glass Doctor Logo

Our Rating

User Rating

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

Home and auto glass

24/7 emergency service

Price transparency

Good customer service

Educational website

Membership plans for glass repair

Services Offered

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

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

Free in-home consultation

Educational website

Free assessment

No-interest financing

Good customer service

Estimate price matching

Timely service

Services Offered

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

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

No-interest financing

Price transparency

Educational website

Free in-home consultation

Small business

Free assessment

Timely service

Good customer service

Services Offered

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

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

Free assessment

Price transparency

No-interest financing available

Online appointment scheduling

Educational website

Good customer service

Services Offered

Double-hung
Window replacement/installation
Glass doors
Glass showers

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

Price transparency

Timely service

Good customer service

Free assessment

Services Offered

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

Bernie's Glass & Mirror

Bernie's Glass & Mirror Logo

Our Rating

User Rating

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

Good customer service

Free assessment

Timely service

Educational website

Price transparency

Services Offered

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

Window installation and replacement costs vary based on a number of factors, including the number and size of the windows, the materials you choose, and how difficult your windows are to access or install. On average, Mastic homeowners should expect to spend roughly $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 greatly improve your home's noise reduction, insulation, comfort, appearance, and value. Some clear indicators it's time to invest in new windows include the following:

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

How To Choose a Window Company

Hiring an experienced window installation provider helps ensure a great experience and excellent results. Below, we outline the main factors to consider when identifying a qualified window installer.

Experience

Look for reputable local companies with many years, ideally decades, of experience successfully installing all types of windows. These providers are more likely to have a deep knowledge of Mastic's climate and local homeowner needs. Request references from recent clients to confirm the quality of a company's work.

Certifications

Choose an installer that’s accredited like major window manufacturers, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Appropriate accreditation means they've received proper training in installation best practices. Make sure installers are staff, not subcontracted laborers, and confirm that any technicians working on your home have certification.

Reputation

Take time to read online reviews, check the Better Business Bureau (BBB), and ask for local references. Review customer feedback to confirm that the company consistently delivers good workmanship and service. Avoid companies with complaints of shoddy or unfinished work.

Process

The best window installers will supply a comprehensive project plan and schedule, clear expectations, and an overview of all material and installation options. Avoid companies that offer unclear quotes or timelines that lack necessary details. Look for continual contact throughout to avoid surprises once work gets underway.

Warranties

Seek out window firms that offer assurances on their installations, and that provide warranties on materials and labor. This demonstrates confidence in their work. Also look for unlimited lifetime warranties that can transfer to new homeowners.

Materials

Confirm that your window provider offers durable, long-lasting windows and leading energy-efficient window bands that fall within your budget. Research choices with good energy ratings, design flexibility, and enhanced UV protection. Verify that the materials come with their own manufacturer warranties.

Frequently Asked Questions About Window in Mastic, NY

The ideal time to install windows in Mastic is when temperatures are moderate, generally in the spring or fall. These conditions enable professionals to work without having to worry about the weather.

The ideal type of replacement windows for your Mastic home depends on when your home was built –the average house in Mastic was built around 1976. For older homes, you might want to consider energy-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 perfect for older homes. For newer homes, you might want to consider vinyl windows, which are durable, affordable and have a modern look.

Windows made from vinyl, wood, or fiberglass tend to last the longest, with some lasting up to 45 years. Vinyl windows are especially durable and low-maintenance, making them an excellent choice if you want windows that can last a long time. Adding more glazing can help reduce your heating and cooling bills in the long run.

It varies on your specific needs and budget, but generally it's advised to replace all your windows at once if they're not energy efficient. Replacing all your windows at once guarantees that you'll get the most out of your energy savings and can potentially save you money in the long run. This is important in Mastic, where the average energy bills are roughly $1,525 a year.

In some cases, you can install your own windows, but it's recommended to hire a professional. It's important to consider the local temperature when replacing windows, as it will have an effect on the process. For example, the temperatures in Mastic can reach an average low of 49, so you should think about energy-efficient windows that can protect from the cold. It's also important to get the measurements right and follow the instructions for installation. Hiring a professional for your window replacement project will ensure that everything is done correctly.

Yes, many window installers offer financing for their services. Different companies have different financing options, so you should shop around to find the best option for you. Depending on your income level, which is a median of $96,648 a year in Mastic, you may be able to qualify for special payment plans.

Other Mastic, NY Home Services

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