10 Best Window Replacement Companies in Dover, NY

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Whether you want to improve your home's value or decrease your energy bills, replacing your windows is an excellent idea. In Dover, where the electric bills are an average of $1,300 per year, you could be spending an extra $379 annually due to outdated windows. The Department of Energy estimates that heat gained or lost through windows could account for about 30% of heating and cooling use. If you're looking for a window installation company, this guide is a great way to get started. Keep reading to discover the best window installers in Dover.

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.
Top Pick
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 Dover

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 Eastern NY

Renewal by Andersen of Eastern NY Logo

Our Rating

User Rating

28 Fair Ave, Middletown, NY 10940 (845) 245-2699 rbaeasternny.com

Educational website

Good customer service

Free assessment

Services Offered

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

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

60 Commerce Dr Suite 150, Trumbull, CT 06611 (203) 659-4843 powerhrg.com

Price transparency

Good customer service

Timely service

Free assessment

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

Educational website

Weekend availability

Good customer service

Price transparency

Free assessment

Energy-efficient windows and doors

Services Offered

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

Melville Window Replacement

Melville Window Replacement Logo

Our Rating

User Rating

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

Free assessment

Educational website

Price transparency

Timely service

Good customer service

Services Offered

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

Window King LLC

Window King LLC Logo

Our Rating

User Rating

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

Price transparency

Educational website

Free in-home consultation

Estimate price matching

Timely service

Free assessment

Good customer service

No-interest financing

Services Offered

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

Sullivan County Glassworks Inc

Sullivan County Glassworks Inc Logo

Our Rating

User Rating

66 St John St, Monticello, NY 12701 (845) 794-6111 sullivancountyglass.com

Good customer service

Free assessment

Educational website

Price transparency

Services Offered

Glass showers
Mirrors
Window replacement/installation
Glass doors
Energy-efficient options
Triple pane glass
Window repair
Custom window designs
Storm/impact windows
Tempered glass
Glass repair

Clinton Glass

Clinton Glass Logo

Our Rating

User Rating

221 E Main St, Clinton, CT 06413 (860) 664-3711 clintonglassct.com

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

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

Window Depot USA of Southern CT

Window Depot USA of Southern CT Logo

Our Rating

User Rating

5726 Main St STe 2a, Trumbull, CT 06611 (203) 309-6027 windowdepotsouthernct.com

Price transparency

Educational website

Free assessment

Timely service

Good customer service

Services Offered

Double-hung
Triple pane glass
Window replacement/installation
Bay windows
Glass doors
Energy-efficient options
Vinyl frames

Home Services at The Home Depot

Home Services at The Home Depot Logo

Our Rating

User Rating

656 Reservoir Ave, Bridgeport, CT 06606 (203) 392-1123 homedepot.com

Good customer service

Educational website

Free assessment

Price transparency

Services Offered

Custom window designs
Vinyl frames
Energy-efficient options
Screen repair
Bay windows
Window replacement/installation
Glass doors
Mirrors
Glass showers
Storm/impact windows

Sears Window Replacement

Sears Window Replacement Logo

Our Rating

User Rating

5 Plain Ave, New Rochelle, NY 10801 (914) 243-1427 searshomeservices.com

Free assessment

Good customer service

Services Offered

Glass doors
Storm/impact windows
Vinyl frames
Bay windows
Energy-efficient options
Double-hung
Window replacement/installation
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 Dover?

Window installation and replacement costs vary based on a number of factors, including how difficult your windows are to access or install, the number and size of the windows, and the materials you choose. On average, Dover homeowners will spend around $280 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 appearance, insulation, value, noise reduction, and comfort. Obvious signs that it's time for window replacement include the following:

  • Condensation issues, fogging between window panes, or rotting window frames letting in moisture.
  • Outdated and inefficient window styles that detract from your home’s curb appeal.
  • Cold air and drafts leaking in from old, loose-fitting windows.
  • A chilly house and high energy bills due to poor insulation around windows.
  • Windows that are hard to open, close, or lock properly due to wear and age.

How To Choose a Window Company

Finding a truly qualified windows installation contractor is the key to a successful project. Below, we cover the main factors to consider when making your selection.

Experience

Make sure you choose an experienced local installer with a proven track record of successfully installing and replacing windows. Companies that have been operating locally for many years are more likely to understand 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 leading 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 local references. Review customer feedback to verify that the company consistently delivers good workmanship and service. Avoid companies with complaints of poor or incomplete work.

Process

A quality provider will give you a detailed project plan, reasonable 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, so you aren't caught off guard when installation starts.

Warranties

Look for window installers that assure quality installations and provide warranties on materials and labor. This shows confidence in their work. Select companies with unlimited lifetime warranties that can transfer to new homeowners.

Materials

Verify that your window company works with long-lasting, durable brands, offers energy-saving window options, and fits your budget. Look for window options with design flexibility, enhanced UV protection, and good energy ratings. Check whether the materials include their own manufacturer warranties.

Frequently Asked Questions About Window in Dover, NY

In Dover, the best time to install windows is when temperatures are mild, generally in the spring or fall. These conditions allow installers to work without having to worry about the weather.

The right type of replacement windows for your Dover home depends on when your home was built –the average house in Dover was built around 1969. If your home was built a while ago, you may want to consider energy-efficient windows such as double-pane windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a classic look that's perfect for older homes. For more modern homes, you may want to consider vinyl windows, which are affordable, durable and have a modern look.

The types of window that usually last longest are ones made of vinyl or wood, with triple glaze for extra insulation. Vinyl windows are famous for their long-lasting nature and require minimal maintenance, while wood windows offer a more classic look. Tripling up on the glazing will help reduce heating and cooling bills in the long run.

The process for window installation typically includes taking measurements, removing the old windows, installing the new windows, inspecting for proper sealing, and caulking around the edges of the frames. Additional steps may be necessary depending on the type of window being installed.

In some cases, you can replace your own windows, but it's recommended to hire a professional. It's important to consider the local temperature when replacing windows, as it will have an effect on the process. For example, the temperatures in Dover can reach an average low of 42, so you should think about energy-efficient windows that can deflect from the cold. It's also important to get the measurements right and follow the instructions for installation. Hiring a professional for your window replacement project will guarantee that everything is installed correctly.

If you live in a rainier climate like Dover, you should wipe off any debris or dirt buildup on the windows often. Additionally, you should check your windows every month to make sure they're still functioning properly. It's also a good idea to have a professional inspect your windows annually for any potential damages or issues.

Yes, many window companies provide financing options. Some installers provide low-interest or no-interest loans based on your income, while other companies provide unique financing plans with agreements and conditions that vary depending on the project.

Other Dover, NY Home Services

Loading map...