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10 Best Window Replacement Companies in Middle Island, NY

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Written By David Cusick

Last Updated April 2024

Upgrading your windows can be expensive, but is a great way to improve the energy efficiency and value of your home. Outdated windows can cost you in electric bills — about an extra $458 a year in Middle Island. The Department of Energy estimates that about 30% of your home’s heat or cool air could be going out your windows. Our list of the best window installation companies in Middle Island will help you find the right installer for you.

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Top 10 Best Window Replacement Companies in Middle Island

Renewal by Andersen of Long Island

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

Price transparency

Free assessment

Good customer service

Educational website

Services Offered

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

Window World of Long Island

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33 Hempstead Tpke, Farmingdale, NY 11735 (516) 377-3500 windowworldlongisland.com

Good customer service

Timely service

Free assessment

Educational website

Price transparency

Services Offered

Energy-efficient options
Double-hung
Custom window designs
Glass doors
Window replacement/installation
Bay windows

Home Services at The Home Depot

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346 Middle Country Rd, Coram, NY 11727 (631) 238-1334 homedepot.com

Good customer service

Price transparency

Educational website

Free assessment

Services Offered

Mirrors
Glass doors
Window replacement/installation
Custom window designs
Glass showers
Vinyl frames
Storm/impact windows
Screen repair

Clear Image Glass & Mirror

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2069-71 Middle Country Rd, Centereach, NY 11720 (631) 580-5888 clearimagestorefronts.com

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Educational website

Price transparency

Services Offered

Mirrors
Window replacement/installation
Glass showers
Skylights
Glass doors

Unified Home Remodeling

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298 Medford Ave, Patchogue, NY 11772 (631) 612-2510 unifiedhomeremodeling.com

Price transparency

Good customer service

Timely service

Educational website

Free assessment

Services Offered

Energy-efficient options
Window replacement/installation
Glass doors

Glass Doctor

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

Good customer service

Educational website

Price transparency

Services Offered

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

Sunview Enterprise Inc

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248 Rte 25A #3, Setauket- East Setauket, NY 11733 (631) 456-5057 sunviewent.com

Good customer service

Price transparency

Free assessment

Educational website

Services Offered

Energy-efficient options
Window replacement/installation
Bay windows
Double-hung

Glassland Of Mount Sinai

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1575 NY-112, Port Jefferson Station, NY 11776 (631) 473-3008 glasslandli.com

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Price transparency

Good customer service

Services Offered

Glass showers
Window replacement/installation
Glass repair
Mirrors

All Pro Remodeling Corp

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32 Chestnut St Suite A, Mt Sinai, NY 11766 (631) 928-0688 allproli.com

Good customer service

Free assessment

Educational website

Price transparency

Services Offered

Window replacement/installation
Energy-efficient options

EASTSIDERS

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394 Middle Country Rd Ste 1, Selden, NY 11784 (631) 732-7700 eastsiders.com

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

Window replacement/installation
Glass showers
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 Middle Island?

The cost of window installation or replacement is influenced by several 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, Middle Island homeowners 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 significantly enhance your home's appearance, comfort, noise reduction, value, and insulation. Some clear signs it's time for new windows include the following:

  • Outdated and inefficient window styles that take away from your house's curb appeal.
  • Fogging between window panes, condensation issues, or rotting window frames that allow moisture intrusion into the home.
  • Windows that are hard to open, close, and lock properly due to wear and age.
  • A chilly house and high energy bills from poor insulation.
  • Drafts and cold air coming in from old, loose-fitting windows.

How To Choose a Window Company

Finding a truly qualified windows installation contractor is critical to a successful project. Below, you'll learn the main factors to consider when deciding which company to hire.

Experience

Look for well-established local installers with extensive experience. Providers that have worked in Middle Island for years are more likely to understand the local climate and how to best meet your needs. Request references from recent customers to confirm a company’s reputation.

Certifications

Choose companies that have certifications from top window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Being certified indicates that they've gotten suitable training in installation best practices. Make sure installers are staff, not subcontractors, and confirm that any technicians working on your home are certified.

Reputation

Spend time going through online reviews, checking the Better Business Bureau, and asking for references from people in your area. Review customer feedback to confirm that a company consistently does quality work and provides good service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

The right company will take time to provide you with a comprehensive project plan, timeline, expectations, and reviews of all material and installation options. Beware of unclear quotes or timelines that don't provide enough specifics upfront. Look for continual communication throughout the process to avoid surprises down the road.

Warranties

Seek out window companies that provide guarantees on their work, and that provide warranties on products and labor. This shows confidence in their work. Also seek out unlimited lifetime warranties that can transfer to new homeowners.

Materials

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

Frequently Asked Questions About Window in Middle Island, NY

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

The right type of replacement windows for your Middle Island home depends on when your home was built –the average house in Middle Island was built around 1979. If your home was built a while ago, you may want to consider efficient windows such as double-glazed windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's great for older homes. For newer homes, you may want to consider vinyl windows, which are affordable, durable and have a modern look.

The types of window that generally last longest are ones constructed from vinyl or wood, with triple glaze for extra insulation. Vinyl windows are famous for their durability and need minimal maintenance, and wood windows offer a more timeless look. Tripling up on the glazing will reduce energy costs over time.

The installation process for windows typically takes 1–3 days depending on the size of windows to be installed. Experienced window installers should be able to provide an estimate on the time it will take to complete the installation job, but you can expect it to take around 30 minutes per window.

Yes, many window companies offer financing options. Some installers provide low-interest loans, although you may not qualify if your income is on the higher end, while other companies provide special financing plans with terms and conditions that vary depending on the job.

Window replacement companies in Middle Island typically offer several services, including replacing windows, fixing windows, window maintenance, window cleaning, tinting, and weatherproofing.

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