10 Best Window Replacement Companies in Dover, DE

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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 plan. Your windows play a key role in energy efficiency and home value. Damaged or outdated windows can cost you in power bills — about an extra $423 a year in Dover. The Department of Energy estimates that 25–30% of your house’s heat or cool air could be going out your windows. If you can't decide on a window installation company, you've found the best place to get started. Keep reading to find the best window installation companies in Dover.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • 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 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

Renewal by Andersen Logo

Our Rating

User Rating

179 W Chestnut Hill Rd Suite 7, Newark, DE 19713 (302) 212-0603 philadelphiawindow.com

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

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

Champion Replacement Windows of Baltimore

Champion Replacement Windows of Baltimore Logo

Our Rating

User Rating

23 Fontana Ln, Rosedale, MD 21237 (410) 202-8636 championwindow.com

Price transparency

Products made in the usa

Sunrooms

Good customer service

Free assessment

Single-source accountability

Services Offered

Double-hung
Glass doors
Bay windows
Window replacement/installation

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

2501 Seaport Dr, Chester, PA 19013 (610) 990-4243 powerhrg.com

Good customer service

Timely service

Free assessment

Price transparency

Services Offered

Window replacement/installation
Energy-efficient options

TradeMark Construction & Kitchen and Bath Showroom

TradeMark Construction & Kitchen and Bath Showroom Logo

Our Rating

User Rating

6806 Eastern Ave, Baltimore, MD 21224 (410) 633-2308 trademarkconstruct.com

Financing options available

High-quality materials

Full-service general contractor

Free assessment

Educational website

Price transparency

Good customer service

Timely service

Services Offered

Window replacement/installation
Glass showers

Chapman Windows Doors & Siding

Chapman Windows Doors & Siding Logo

Our Rating

User Rating

882 S Matlack St STE G, West Chester, PA 19382 (610) 431-8898 chapmanwindowsdoors.com

Good customer service

Price transparency

Timely service

Free assessment

Services Offered

Wood frames
Energy-efficient options
Skylights
Bay windows
Double-hung
Window replacement/installation
Vinyl frames
Glass doors

ARDMOR, Inc

ARDMOR, Inc Logo

Our Rating

User Rating

3011 N Centre St, Pennsauken Township, NJ 08109 (267) 930-2001 ardmor.com

Good customer service

Educational website

Free assessment

Timely service

Price transparency

Services Offered

Double-hung
Storm/impact windows
Metal frames
Custom window designs
Window replacement/installation
Vinyl frames
Window repair
Wood frames
Glass doors

Sundance Kitchen, Baths & Exteriors

Sundance Kitchen, Baths & Exteriors Logo

Our Rating

User Rating

816 Kohl Ave, Middletown, DE 19709 (302) 261-3447 sundancekbe.com

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

Window replacement/installation

Window Depot of Delmarva

Window Depot of Delmarva Logo

Our Rating

User Rating

309 Truitt St Unit 1, Salisbury, MD 21804 (410) 572-4304 windowdepotdelmarva.com

Timely service

Good customer service

Price transparency

Educational website

Free assessment

Services Offered

Window replacement/installation
Vinyl frames
Double-hung
Custom window designs
Glass doors
Energy-efficient options
Triple pane glass

Emerald Windows

Emerald Windows Logo

Our Rating

User Rating

2301 N 9th St, Philadelphia, PA 19133 (215) 236-6767 emeraldwindowsinc.com

Free assessment

Price transparency

Timely service

Good customer service

Services Offered

Vinyl frames
Double-hung
Bay windows
Wood frames
Window replacement/installation
Metal frames
Custom window designs
Storm/impact windows

Hodges Window & Glass

Hodges Window & Glass Logo

Our Rating

User Rating

850 Middle River Rd, Baltimore, MD 21220 (410) 686-1389 hodgeswindowandglass.com

Educational website

Price transparency

Good customer service

Timely service

Services Offered

Custom glass
Glass repair
Custom window designs
Mirrors
Screen repair
Window repair
Glass doors
Glass showers
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?

The price of window installation or replacement varies based on a number of factors, including how difficult your windows are to access or install, the materials you choose, and the number and size of the windows. On average, Dover homeowners will spend about $270 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 greatly boost your home's comfort, noise reduction, value, insulation, and appearance. Clear indicators it's time to invest in new windows include:

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

How To Choose a Window Company

Choosing a window installer with appropriate qualifications helps ensure a smooth installation. We review the most important considerations for selecting a qualified provider below.

Experience

Make sure you choose an experienced local installer with a proven track record of successfully installing and replacing windows. Companies that have served Dover 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

Look for installers that are backed by major 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 any technicians assigned to your job have the right certifications.

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 shoddy or unfinished work.

Process

The best window installation providers will supply a detailed project plan and schedule, clear expectations, and an overview of product and installation options. Avoid companies that offer ill-defined quotes or timelines that lack necessary details. Look for continual contact throughout to avoid surprises later on.

Warranties

Research window firms that provide guarantees on their work, and that provide warranties on products and labor. This indicates faith in their work. Also seek out unlimited lifetime warranties that can transfer to new homeowners.

Materials

Verify that your window installer works with trusted, long-lasting brands, offers power-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, DE

In Dover, the best time to install windows is when temperatures are mild, generally in the spring or fall. These conditions allow professionals to work with less worry about the weather.

The best type of replacement window for your Dover 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 more modern — so your new windows match. Wood windows can give a classic look and feel, while vinyl windows tend to be popular in newer homes. Fiberglass windows are also a popular choice, as they are energy efficient and long-lasting.

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

The installation process for windows typically takes a day or two depending on the number of windows to be installed. Professional window installers will be able to provide an estimate on the time it will take to complete the installation process, but you can expect it to take around 30 minutes per window.

Replacing your own windows can be a challenging task, especially in Dover, where temperatures can get quite warm. It's generally best to hire a skilled window installer. A professional installer has the knowledge and experience that ensures your windows are correctly installed and that you get the most out of your investment.

You should clean off any debris or dirt buildup on the windows when they get dirty. Additionally, you need to inspect your windows every month to make sure they're still functioning properly. It's also a good idea to get a professional to inspect your windows annually for any potential damages or issues.

Other Dover, DE Home Services

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