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10 Best Window Replacement Companies in Sayville, NY

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Written By David Cusick

Last Updated April 2024

Windows play an important role in your house's appearance and energy efficiency. Replacing your windows is an excellent way to increase the value of your home. According to the Department of Energy, heat gained or lost through outdated windows could account for 25–30% of the heating and cooling use in your home. By installing energy-efficient windows, you could save an extra $215 on your energy bills annually in Sayville. When searching for a window installer, it's important to choose the right one, which is why we've assembled this guide to the best window installation companies in Sayville.

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Top 10 Best Window Replacement Companies in Sayville

Renewal by Andersen of Long Island

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

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

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

Window World of Long Island

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

Good customer service

Price transparency

Free assessment

Educational website

Timely service

Services Offered

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

Smithtown Window Replacement and Doors

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

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

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

EcoView Windows of Long Island

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54 Enter Ln, Islandia, NY 11749 (631) 538-4731 ecoviewwindowsli.com

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Price transparency

Educational website

Good customer service

Services Offered

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

Glass Doctor

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

Price transparency

Educational website

Good customer service

Services Offered

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

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

Free assessment

Price transparency

Educational website

Services Offered

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

Clear Image Glass & Mirror

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

Educational website

Price transparency

Free assessment

Services Offered

Glass showers
Mirrors
Skylights
Window replacement/installation
Glass doors

Unified Home Remodeling

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

Good customer service

Timely service

Educational website

Price transparency

Free assessment

Services Offered

Glass doors
Window replacement/installation
Energy-efficient options

Coram Glass & Mirror Inc

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88-D Johnson Ave, Ronkonkoma, NY 11779 (631) 732-1890 coramglassmirror.com

Good customer service

Price transparency

Educational website

Free assessment

Services Offered

Window replacement/installation
Glass showers
Screen repair
Custom glass
Mirrors

Flawless Glass & Mirror LLC

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1350 Lincoln Ave # 10, Holbrook, NY 11741 (631) 275-0485 flawlessglassandmirror.com

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Educational website

Good customer service

Price transparency

Services Offered

Window replacement/installation
Mirrors
Glass showers
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 Sayville?

The cost of window installation or replacement is influenced by 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, homeowners in Sayville will 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 substantially enhance your home's noise reduction, insulation, appearance, value, and comfort. Clear indicators it's time to invest in new windows include:

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

How To Choose a Window Company

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

Experience

Look for well-established local companies with a long track record of experience successfully installing all kinds of windows. These providers are more likely to have a deep knowledge of Sayville's climate and local homeowner needs. Request references from recent clients to verify quality and experience.

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. Appropriate accreditation indicates that a provider has been appropriately trained in installation best practices. Ensure installers are employees rather than subcontractors, and verify that the technicians assigned to your job hold the right certifications.

Reputation

Spend time reviewing online feedback, checking the Better Business Bureau, and requesting local references. Review customer feedback to confirm that a company delivers consistent quality workmanship and great service. Avoid companies with complaints of poor work or unfinished jobs.

Process

The best window installers will supply a comprehensive project plan and schedule, clear expectations, and an overview of all product and installation options. Avoid companies that offer ill-defined quotes or timelines that lack necessary details. Look for consistent contact throughout the process to avoid surprises later in the project.

Warranties

Look for companies that stand behind their work and provide warranties on materials and labor. This demonstrates trust in their window installations. Seek out unlimited lifetime warranties that can transfer to new homeowners.

Materials

Ensure your provider works with durable, energy-efficient window brands that work with your budget. Look for good energy ratings, design flexibility, and enhanced UV protection. Confirm the window materials have their own manufacturer warranties as well.

Frequently Asked Questions About Window in Sayville, NY

In Sayville, the best time to install windows is during the early fall when the temperature is milder, so the windows can seal and adjust properly. A good local window installer in Sayville will be able to tell you when the best time is to install windows on your home.

The best type of replacement window for your Sayville home will depend on your home's age, as well as your personal style and budget. You'll want to consider the style of your home — such as if it's old — so your new windows match. Wood windows can give a classic look and appearance, while vinyl windows tend to be popular in newer homes. Fiberglass-framed windows are also a popular choice, since they can be energy efficient and durable.

You can save money on your window installation by going with a cheaper option like single-hung windows with vinyl frames. These have lower costs compared to other kinds of windows such as double-hung, fiberglass, or wood windows.

If your area has lower than average energy costs, it may not be necessary to replace all your windows at once. Replacing all your windows at once can help improve your home's overall energy-efficiency, and could help you to save money on your energy bills over time. This is especially beneficial in a place like Sayville, where energy costs tend to be high.

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

Getting windows installed by a professional can provide a number of benefits. Professional installers can guarantee that your windows are properly installed, weatherproofed, and insulated, preventing air leakage and maximizing energy efficiency. Professional installers are also trained in the necessary tools and techniques to get the job done, saving you time and money.

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