10 Best Window Replacement Companies in Lake Ronkonkoma, 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, upgrading your windows is a great idea. Your windows play a crucial role in energy efficiency and home value. If your windows are leaky or damaged, 25–30% of your home’s heat or cool air could be leaking out, according to the Department of Energy. In Lake Ronkonkoma, this can add up to an extra $458 per year on your electric bills. If you can't decide between window installers, this is the best place to get started. Keep reading to discover the best window installers in Lake Ronkonkoma.

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Top Pick
4.1/5
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  • 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 Lake Ronkonkoma

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

Free assessment

Price transparency

Educational website

Good customer service

Services Offered

Double-hung
Glass doors
Window replacement/installation
Skylights
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

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

Family-owned and operated

Free assessment

Weekend availability

Good customer service

Energy-efficient windows and doors

Price transparency

Educational website

Services Offered

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

Melville Window Replacement

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

Good customer service

Price transparency

Free assessment

Timely service

Educational website

Services Offered

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

Glass Doctor

Glass Doctor Logo

Our Rating

User Rating

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

Good customer service

Home and auto glass

24/7 emergency service

Price transparency

Membership plans for glass repair

Educational website

Services Offered

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

Window King LLC

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User Rating

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

Free assessment

No-interest financing

Estimate price matching

Timely service

Educational website

Good customer service

Price transparency

Free in-home consultation

Services Offered

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

Pro Quality Home Improvements Inc.

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User Rating

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

Free assessment

Timely service

Price transparency

Free in-home consultation

Educational website

No-interest financing

Small business

Good customer service

Services Offered

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

Alure Home Solutions

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User Rating

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

Free assessment

Good customer service

Special warranties for military

Price transparency

No-interest financing available

Online appointment scheduling

Educational website

Services Offered

Double-hung
Glass showers
Glass doors
Window replacement/installation

Sky Windows and Doors

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Our Rating

User Rating

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

Price transparency

Timely service

Free assessment

Educational website

Good customer service

Services Offered

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

Bernie's Glass & Mirror

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Our Rating

User Rating

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

Timely service

Free assessment

Educational website

Price transparency

Good customer service

Services Offered

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

Window installation and replacement costs vary based on 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, Lake Ronkonkoma homeowners 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

New, energy-efficient windows can substantially improve your home's insulation, value, appearance, noise reduction, and comfort. Obvious signs that it's time for window replacement include the following:

  • Fogging between window panes, condensation issues, or rotting window frames that allow moisture intrusion into the home.
  • Outdated and inefficient window styles that detract from your house's curb appeal.
  • Windows that are hard to open, close, or lock properly due to wear and age.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • High energy bills and discomfort from poor insulation.

How To Choose a Window Company

For a successful window replacement, you want to locate an installer with proven expertise. Below, we outline the most important criteria for picking a window installer.

Experience

Make sure you select a seasoned local installer with a long record of successfully installing and replacing windows. Installers that have served Lake Ronkonkoma for years are more likely to have a deep knowledge of the local climate and local homeowners' needs. Get references from recent clients to learn more about a provider’s service.

Certifications

Choose companies that are certified by top window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Certification means they've been properly trained in installation best practices. Make sure installers are staff rather than subcontractors, and confirm the technicians doing your job are certified.

Reputation

Take time to read online reviews, check the Better Business Bureau (BBB), and request local references. Review customer feedback to verify that the company regularly provides good workmanship and service. Avoid companies with complaints of poor or incomplete work.

Process

A quality provider will give you a detailed project plan, well-outlined timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer vague quotes or timelines. Insist on regular contact throughout the process, so you aren't caught off guard once the work begins.

Warranties

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

Materials

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

Frequently Asked Questions About Window in Lake Ronkonkoma, NY

In Lake Ronkonkoma, the best time to install windows is when temperatures are mild, generally in the spring or fall. These conditions allow installers to work with less worry about extreme temperatures.

The ideal type of replacement windows for your Lake Ronkonkoma home depends on when your home was built –the average house in Lake Ronkonkoma was built around 1971. For older homes, you might want to consider efficient windows such as double-pane windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's perfect for older homes. For newer homes, you may want to consider vinyl windows, which are affordable, durable and have a modern look.

You can save money on your window installation by choosing a cheaper option like single-hung vinyl windows. These have lower prices compared to more expensive windows such as wood, fiberglass, or double-hung windows.

The typical window installation process takes anywhere from a day and a half to two days, depending on the size and number of windows being replaced. This includes removing the old windows, taking measurements for the new windows, installing the new windows, and caulking them in place. On average, it takes about 30 minutes to install each window.

Replacing your own windows can be a difficult task, especially in Lake Ronkonkoma, where temperatures can get quite warm. It's generally recommended to hire a skilled window installer. They have the knowledge and experience to ensure your windows are correctly installed and that you get the most out of your investment.

Yes, many window installers offer payment plans for their services. Different companies have their own financing options, so you should shop around to find the best option for you. Depending on your income level, which is a median of $98,922 a year in Lake Ronkonkoma, you may be able to qualify for special payment plans.

Window companies in Lake Ronkonkoma typically offer a range of services, including measuring and installing new windows, fixing existing windows, replacing window glass, and hanging window treatments. They may also offer extra services such as weatherproofing or cleaning.

Other Lake Ronkonkoma, NY Home Services

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