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10 Best Window Replacement Companies in Durham, NH

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Written By David Cusick

Last Updated April 2024

Whether you want to increase your home's value, energy efficiency, or both, upgrading your windows is an excellent idea. If your windows are on the older side, 25–30% of your house’s heat or cool air could be leaking out, according to the Department of Energy. In Durham, this can equal an extra $422 a year on your electricity bills. Picking the right company for you is an important decision. That's why we've created this list of the top window installation companies in Durham.

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Top 10 Best Window Replacement Companies in Durham

Renewal by Andersen Window Replacement

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66 Industrial Park Rd, Saco, ME 04072 (207) 358-6094 windowsdoorsportland.com

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

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

Window World of New Hampshire

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735 E Industrial Park Dr Unit A, Manchester, NH 03109 (603) 935-9878 windowworldnewhampshire.com

Educational website

Price transparency

Free assessment

Timely service

Good customer service

Services Offered

Glass doors
Double-hung
Bay windows
Window replacement/installation

DaBella

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13 Red Roof Ln Suite 201, Salem, NH 03079 (603) 691-2339 dabella.us

Good customer service

Timely service

Services Offered

Glass doors
Window replacement/installation
Double-hung
Vinyl frames

Southers Construction

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12 Crosby Rd, Dover, NH 03820 (603) 734-4572 southersconstruction.com

Good customer service

Free assessment

Timely service

Price transparency

Educational website

Services Offered

Window replacement/installation
Double-hung
Bay windows

Pella Windows & Doors of Newington

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25 Fox Run Rd Suite 2, Newington, NH 03801 (603) 725-4690 pellabranch.com

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

Window replacement/installation
Double-hung
Bay windows
Vinyl frames
Glass doors
Wood frames

Glass Routes Co

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181 Littleworth Rd, Madbury, NH 03823 (603) 742-2600 glassroutes.net

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

Custom glass
Mirrors
Glass showers
Vinyl frames
Window replacement/installation

Portland Glass of Dover

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119 New Rochester Rd, Dover, NH 03820 (603) 716-9167 portlandglass.com

Free assessment

Good customer service

Price transparency

Educational website

Services Offered

Window replacement/installation
Energy-efficient options
Glass repair

Portland Glass of Portsmouth

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70 Heritage Ave, Portsmouth, NH 03801 (603) 945-2324 portlandglass.com

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

Glass showers
Window replacement/installation
Glass repair

Interstate Glass & Mirror Inc

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228 NH-108, Somersworth, NH 03878 (603) 742-0600 interstateglass.com

Price transparency

Services Offered

Window replacement/installation
Glass showers
Screen repair
Mirrors
Bay windows
Glass doors

Dover Roofing LLC

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120 Durham Rd, Dover, NH 03820 (603) 498-5741 doverroofingcontractors.com

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Educational website

Good customer service

Price transparency

Services Offered

Skylights
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 Durham?

The amount you'll spend on window installation or replacement is influenced by 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, Durham homeowners should expect to spend about $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

Adding new energy-efficient windows can greatly increase your home's noise reduction, appearance, insulation, comfort, and value. Clear indicators that it's time to invest in new windows include the following:

  • Windows that are difficult to open, close, and lock properly due to wear and age.
  • 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 home’s curb appeal.
  • High energy bills and discomfort from poor window insulation.
  • Drafts and cold air coming in through old, loose-fitting windows.

How To Choose a Window Company

Hiring an experienced window installation company contributes to good results and a great experience. Below, we outline the main considerations for identifying a qualified window installer.

Experience

Look for well-established local installers with considerable experience. Providers that have been installing windows locally for many years are more likely to understand the local climate and how to best meet your needs. Ask for references from recent customers to verify that a provider delivers quality work.

Certifications

Look for installers that are backed by top window manufacturers and certified by leading industry groups, 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, not subcontractors, and verify that any technicians assigned to your job hold the right certifications.

Reputation

Spend time looking through online reviews, checking the Better Business Bureau, and asking for local references. Review customer feedback to confirm that the company regularly provides good workmanship and service. Avoid companies with complaints of shoddy or unfinished work.

Process

The highest-quality window installers will supply a comprehensive project plan and schedule, clear expectations, and an overview of all product and installation options. Avoid companies that offer ill-defined quotes or timelines that lack necessary details. Look for consistent contact throughout the process to avoid surprises once work gets underway.

Warranties

Research contractors that guarantee their installations and provide warranties on labor and materials. This shows confidence in their window installations. Seek out unlimited lifetime warranties that can even transfer to new homeowners.

Materials

Make sure your window installer offers windows that are built to last and top energy-saving window brands that fit your budget. Look for good energy ratings, design flexibility, and enhanced UV protection. Check that the window materials also include manufacturer warranties.

Frequently Asked Questions About Window in Durham, NH

In Durham, the ideal time to install windows is during the late spring or early summer when the temperatures are not as cold, so the windows can fit and adjust properly. A professional local window installer in Durham will be able to tell you when the best time is to install windows on your house.

The best type of replacement window for your Durham home will vary based on the age of your home, as well as your personal style and budget. You'll want to consider the style of your home — such as if it's newer — so your new windows match. Wood windows can provide a classic look and feel, while vinyl windows tend to be popular in newer homes. Fiberglass-framed windows are also a popular choice, as they are energy efficient and long-lasting.

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

The length of the installation process varies depending on a number of factors, including the amount of windows to be installed, the type and size of windows being installed, and the complexity of the installation job. On average, window installation can take anywhere from one day up to a week, with each window taking around 30 minutes to install.

If you live in a rainier climate like Durham, you should wipe off any debris or dirt buildup on the windows often. Additionally, you need to inspect your windows monthly 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 installers offer payment plans for their services. Different companies have different financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $74,267 a year in Durham, you may be able to qualify for special financing.

Window replacement companies in Durham typically offer a variety of services, such as window installation, fixing windows, window maintenance, cleaning, tinting, and weatherproofing.

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