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10 Best Window Replacement Companies in Holtsville, NY

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Written By David Cusick

Last Updated April 2024

Whether you're tackling home renovation projects or simply need a change, upgrading your windows is a great idea. Your windows play an important role in energy efficiency and home value. In Holtsville, where the electric bills are $1,500 per year on average, you could be spending an extra $458 annually due to outdated windows. The Department of Energy estimates that heat gained or lost through windows could be responsible for around 30% of residential energy climate costs. When looking for a window installer, it's important to choose the right one, so we've written this guide to the best window installers in Holtsville.

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Top 10 Best Window Replacement Companies in Holtsville

Renewal by Andersen of Long Island

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

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

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

Window World of Long Island

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

Timely service

Good customer service

Educational website

Free assessment

Price transparency

Services Offered

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

Smithtown Window Replacement and Doors

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

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

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

Home Services at The Home Depot

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

Free assessment

Educational website

Good customer service

Price transparency

Services Offered

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

EcoView Windows of Long Island

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

Price transparency

Free assessment

Educational website

Good customer service

Services Offered

Double-hung
Bay windows
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

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

Clear Image Glass & Mirror

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

Educational website

Free assessment

Price transparency

Services Offered

Glass doors
Skylights
Mirrors
Window replacement/installation
Glass showers

Unified Home Remodeling

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

Price transparency

Free assessment

Educational website

Good customer service

Timely service

Services Offered

Glass doors
Energy-efficient options
Window replacement/installation

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
Custom glass
Screen repair
Mirrors
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

Educational website

Price transparency

Free assessment

Services Offered

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

The cost of window installation or replacement is influenced by several factors, including the materials you choose, how difficult your windows are to access or install, and the number and size of the windows. On average, homeowners in Holtsville will 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 comfort, value, insulation, appearance, and noise reduction. Some clear signs it's time to invest in new windows include the following:

  • High energy bills and discomfort due to poor window insulation.
  • Drafts and cold air leaking in through old, loose-fitting windows.
  • Outdated and inefficient window styles that reduce your home’s curb appeal.
  • Windows that are difficult to close, open, or lock properly due to age and wear.
  • 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 installer contributes to a great experience and excellent results. Below, we outline the main considerations for choosing 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 Holtsville's climate and local homeowner needs. Ask for references from recent clients to verify quality and experience.

Certifications

Look for installers that are backed by leading window manufacturers and accredited by top industry associations, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Proper certification shows that a provider has gotten proper training in quality installation methods. Ensure installers are employees rather than subcontractors. Verify that the technicians assigned to your job hold the right certifications.

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 consistently delivers good workmanship and service. Steer clear of companies with complaints of shoddy work.

Process

A reputable provider will give you a detailed project plan, detailed timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer unclear quotes or timelines. Ask for continual contact throughout, so you aren't caught off guard once the work begins.

Warranties

Seek out window installers that back their installations with guarantees, and that offer warranties on materials and labor. This demonstrates faith in their work. Also seek out unlimited lifetime warranties that can transfer to new homeowners.

Materials

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

Frequently Asked Questions About Window in Holtsville, NY

In Holtsville, 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 Holtsville will be able to explain when the best time is to install windows on your house.

The best type of replacement window for your Holtsville home will depend on your home's age, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wooden windows can give a classic look and feel, while vinyl windows are more popular in more modern homes. Fiberglass windows are also a popular choice, as they are energy efficient and durable.

The most expensive window types are double-hung windows. They are more complicated than single-hung windows, and so are more costly. Single-hung windows are the least expensive on the market. Vinyl and aluminum are the most affordable frame options.

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 greatly improve your home's overall energy-efficiency, and could save you money on your energy bills over time. This is especially beneficial in a place like Holtsville, where energy bills tend to be high.

Replacing your own windows can be a complex task, especially in Holtsville, where temperatures can get quite warm. It's generally best to hire a professional 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 $128,444 a year in Holtsville, you may be able to qualify for special payment plans.

Window companies in Holtsville usually offer a range of services, including measuring and installing new windows, repairing existing windows, replacing window glass, and installing window treatments. They may also offer additional services such as weatherproofing or cleaning.

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