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Best Window Replacement Companies in Coram, NY

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Written By Max Peterson|Last Updated: February 05, 2024

You might be installing replacement windows to upgrade your home's appearance, lower your energy usage, or protect your home from inclement weather. Local installers recognize that homeowners would rather not pay a fortune for window replacement in Coram. They work with innovative materials that don't sacrifice durability.

Top Pick
  • Full-service installation
  • Large window selection
  • Nearly 30 years of experience
Best Financing
  • Full-service installation
  • In-house, U.S.-made products
  • More than 70 years of experience
Most Customizable
  • Full-service remodeling
  • 96% satisfaction rate
  • More than 30 years of experience

Top 10 Coram Window Installation Companies

We recommend working with one of these top companies for your window replacement in Coram.

Coram residents can trust the This Old House Reviews Team to provide relevant, up-to-date window provider recommendations. To determine the best installers, we emphasize these five factors:

  • Product quality
  • Customer reviews and recommendations
  • Professional experience and licensure
  • Services and warranties
  • Energy-efficiency guarantees
Window World of Long Island Logo

Window World of Long Island

Based on 424 customer reviews.

Services Offered

Custom Window DesignsBay WindowsDouble-HungEnergy-Efficient OptionsGlass DoorsWindow Replacement/installation


  • Educational website
  • Timely service
  • Free assessment
33 Hempstead Tpke, Farmingdale, NY 516-377-3500 windowworldlongisland.com
Flawless Glass & Mirror LLC Logo

Flawless Glass & Mirror

Based on 27 customer reviews.

Services Offered

Window Replacement/installationGlass ShowersMirrors


  • Educational website
  • Good customer service
  • Price transparency
1350 Lincoln Ave # 10, Holbrook, NY 631-275-0485 flawlessglassandmirror.com
Smithtown Window Replacement and Doors Logo

Smithtown Window Replacement and Doors

Based on 16 customer reviews.

Services Offered

Wood FramesTempered GlassGlass DoorsFiberglass FramesWindow Replacement/installationGlass ShowersWindow RepairBay WindowsVinyl FramesStorm/impact WindowsEnergy-Efficient OptionsDouble-HungMetal FramesTriple Pane GlassCustom Window Designs


  • Free assessment
  • Educational website
  • Price transparency
43 Landing Ave, Smithtown, NY 631-646-2386 smithtownwindowsdoors.com
All Pro Remodeling Corp Logo

All Pro Remodeling Corp

Based on 72 customer reviews.

Services Offered

Energy-Efficient OptionsWindow Replacement/installation


  • Free assessment
  • Good customer service
  • Price transparency
32 Chestnut St Suite A, Mt Sinai, NY 631-928-0688 allproli.com
Clear Image Glass & Mirror Logo

Clear Image Glass & Mirror

Based on 33 customer reviews.

Services Offered

Glass ShowersSkylightsWindow Replacement/installationGlass DoorsMirrors


  • Free assessment
  • Price transparency
  • Educational website
2069-71 Middle Country Rd, Centereach, NY 631-580-5888 clearimagestorefronts.com
Four Seasons Sunrooms Logo

Four Seasons Sunrooms

Based on 299 customer reviews.

Services Offered

Energy-Efficient OptionsWindow Replacement/installation


  • Free assessment
  • Educational website
  • Good customer service
5005 Veterans Memorial Hwy, Holbrook, NY 631-443-4238 fourseasonssunroomsoflongisland.com
Glass Doctor Logo

Glass Doctor

Based on 29 customer reviews.

Services Offered

Glass ShowersGlass DoorsMirrorsWindow RepairWindow Replacement/installationGlass RepairEnergy-Efficient OptionsCustom Glass


  • Educational website
  • Good customer service
  • Price transparency
354 Smithtown Blvd, Ronkonkoma, NY 631-619-6711 glassdoctor.com
Coram Glass & Mirror Inc Logo

Coram Glass & Mirror

Based on 15 customer reviews.

Services Offered

Screen RepairGlass ShowersWindow Replacement/installationCustom GlassMirrors


  • Price transparency
  • Educational website
  • Free assessment
88-D Johnson Ave, Ronkonkoma, NY 631-732-1890 coramglassmirror.com
Unified Home Remodeling Logo

Unified Home Remodeling

Based on 28 customer reviews.

Services Offered

Energy-Efficient OptionsWindow Replacement/installationGlass Doors


  • Timely service
  • Educational website
  • Price transparency
298 Medford Ave, Patchogue, NY 631-612-2510 unifiedhomeremodeling.com

More Local Window Companies

EcoView Windows of Long Island

User Reviews: 4.5/5 

54 Enter Ln
Islandia, NY 11749


User Reviews: 4.1/5 

394 Middle Country Rd Ste 1
Selden, NY 11784

Sunview Enterprise Inc

User Reviews: 4.1/5 

248 Rte 25A #3
Setauket- East Setauket, NY 11733

Sayville Custom Mirrors Inc

User Reviews: 4.1/5 

251 W Main St
Sayville, NY 11782

Mr. Handyman of Huntington and Smithtown

User Reviews: 4.6/5 

514 Larkfield Rd Suite 8
East Northport, NY 11731

Tri State Window Factory

User Reviews: 4.4/5 

360 Marcus Blvd
Deer Park, NY 11729

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

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Facts about Coram
Annual Energy Efficient Windows Savings:$215
Average Max Temp:55°F
Average Min Temp:49°F
Average Daily Sunlight:58%
Average Annual Snowfall:29.5"
Average Monthly Precipitation:3.90"

Expert Tips By

This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

How To Choose a Window Company in Coram

Dependability is important when it comes to choosing a window provider. However, your chosen company should also suit your priorities and respect your vision. Consider the following factors during your company search:

Window Cost by Type

When you're shopping for new windows, it's essential to remember that there's more to cost than just purchase price. You want a window with top-notch quality and durability. Although premium windows may come with a higher initial price tag, they often provide better long-term value due to their extended lifespan. The age of your home, in addition to the materials, sizes, and styles of windows you select, can impact pricing. Simple double-hung windows deliver great value with their straightforward style and simple mechanisms, while new skylights cost more to prepare for and install. A professional can help you with choosing the products that fit your preferences.

To help you form a rough estimate, this table shows the typical cost of the most common residential window types.

Window TypesAverage Cost
Glass Block$49-$621

Window Material Cost

You'll also need to choose a window material. Homeowners frequently base their decision on energy efficiency objectives, aesthetic preferences and the local climate. Aluminum windows are perfect for sleek, modern designs, but they cost more up-front. You'll pay less for wood windows up-front, but you'll need to invest in regular maintenance to prevent the frame from warping and wear. Vinyl is readily available and tends to cost less, but don't underestimate its strong durability and low maintenance needs.

Window TypesAverage Cost

Other Window Replacement Costs

Your contractor will factor the price for your windows and the value of their services into its total estimate. Make sure to factor in the cost of labor, warranties, and any other extra expenses that your project may entail.

Experience and Training

Peruse a company's website and chat with a representative to learn more about its product and service offerings, pricing, and warranties. Many companies also keep online portfolios that present past projects.

Ensure that the company focuses on window replacement. The more dedicated instruction its staff has, and the longer it has been active, the more likely it will deliver top-notch service.

Licensing and Credentials

New York's state government doesn't issue contracting licenses for window installers, but this hasn't stopped local governments from taking charge and setting up their own licenses. For example, to place windows in New York City, a company must earn a Home Improvement Contractor License by passing exams and ecological assessments.

Types of Windows Offered

The type of window you want should play a role in your company choice. Not every installer will necessarily be familiar with the window brand you want. A company website will show more about the window types it deals with, such as:

  • Awning
  • Bay
  • Bow
  • Casement
  • Crank-out
  • Custom
  • Double- or single-hung
  • Egress
  • Garden
  • Jalousie
  • Picture
  • Sliding
  • Skylight
  • Specialty
  • Storm
  • Transom
  • Vent
Finally, pay close attention to the materials that a provider uses. Each frame material has a different life span, energy efficiency level and price point. A company will usually specify whether the windows they place use metal, vinyl, fiberglass, composite, or wood.

Customer Feedback

One of the best ways to evaluate a company is to check what other customers have said about their experiences. Trustworthy sources for customer reviews include Yelp, Google, and the BBB Ask people you know who have used the company you'd like to hire, and ask a representative for professional references.

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Frequently Asked Questions About Window Replacement in Coram

Why should I hire a professional to install or replace my windows?

Replacing your windows is an important investment that greatly impacts your home's livability and energy performance. Hiring a professional window company to oversee your project ensures your windows will fit correctly, perform optimally, and be properly sealed. Companies also typically include a warranty that addresses required maintenance and most future repairs.

I've heard there are tax credits for energy-efficient windows. How much could I save?

Ultimately, the tax incentives you can claim depend on the scope of your window replacement and your city. You can claim 30% of the value of new efficient windows as a federal tax credit, up to $3,200 per year, until 2032. We also encourage you to speak with your local utility for more information on financial benefits specific to your area.

Can I replace just my windows' glass and not their frames?

If your window has a shattered pane, it might not be required to replace the window frame. Often, only the glass pane needs to be replaced unless the frame has also taken extensive damage. A professional can determine exactly what's necessary during an estimate visit.

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

More Window Resources

National Windows Company Ranking Methodology


Energy Star