10 Best Window Replacement Companies in Hanover, NH

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Last Updated: February 25, 2025

Upgrading your windows can be expensive, but is an excellent way to improve your home's energy efficiency and its value. According to the Department of Energy, heat gained or lost through outdated windows could account for 25–30% of the heating and cooling costs in your home. By upgrading to energy-efficient windows, you could save an extra $560 on your electric bills annually in Hanover. Our list of the top window installation companies in Hanover will help you find the best installer for you.

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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 Hanover

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 Vermont

Renewal by Andersen of Vermont Logo

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262 Mechanic St, Lebanon, NH 03766 (802) 457-1849 renewalbyandersen.com

Free assessment

Price transparency

Educational website

Good customer service

Services Offered

Double-hung
Bay windows
Window replacement/installation
Glass doors

Continental Screen & Glass

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959 VT-30, Newfane, VT 05345 (802) 365-9100 continentalscreenglass.com

Good customer service

Educational website

Free assessment

Timely service

Price transparency

Services Offered

Glass showers
Window replacement/installation
Mirrors
Custom window designs
Screen repair
Energy-efficient options
Vinyl frames
Glass doors
Metal frames
Wood frames
Fiberglass frames
Glass repair

Lighthouse Contracting Group, LLC

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104 Lily Pond Rd Unit A, Gilford, NH 03249 (603) 567-4172 lighthousecontractinggroup.com

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

Window replacement/installation

Home Services at The Home Depot

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160 Laconia Rd, Tilton, NH 03276 (877) 625-2909 homedepot.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

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

Pane Free Glass

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270 Amory St #17, Manchester, NH 03102 (603) 497-1830 panefreeglass.com

Price transparency

Educational website

Free assessment

Good customer service

Services Offered

Glass showers
Mirrors
Glass repair
Glass doors
Storm/impact windows
Custom glass
Window replacement/installation

F.B.I. Contracting LLC

F.B.I. Contracting LLC Logo

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18 Loudon Rd #85, Concord, NH 03301 (603) 286-4414 fbillc1.com

Timely service

Price transparency

Free assessment

Good customer service

Educational website

Services Offered

Storm/impact windows
Skylights
Window replacement/installation
Energy-efficient options

Cheshire Glass Company

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43 Emerald St, Keene, NH 03431 (603) 357-8889 cheshire-glass.com

Educational website

Price transparency

Free assessment

Services Offered

Glass doors
Window replacement/installation
Window repair
Custom glass
Glass showers

Pella Windows & Doors of Meredith

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User Rating

71 NH-25, Meredith, NH 03253 (603) 725-4660 pellabranch.com

Good customer service

Free assessment

Educational website

Price transparency

Services Offered

Double-hung
Glass doors
Window replacement/installation
Bay windows

American Plate Glass

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User Rating

150 Pleasant St, Claremont, NH 03743 (603) 542-7787 americanplateglass.com

Price transparency

Free assessment

Timely service

Services Offered

Glass doors
Glass showers
Mirrors
Window replacement/installation
Storm/impact windows
Energy-efficient options

Portland Glass of Rutland

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User Rating

228 US-7, Rutland, VT 05701 (802) 397-9131 portlandglass.com

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

Window replacement/installation
Glass repair
Custom glass
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 Hanover?

Window installation and replacement costs depend on a number of 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 Hanover should expect to 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

Installing new energy-efficient windows can significantly enhance your home's insulation, noise reduction, value, comfort, and appearance. Some clear signs it's time for new windows include the following:

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

How To Choose a Window Company

For a successful window replacement, you want to hire an installation contractor with proven expertise. Below, we go over the most important qualifications for selecting a window installer.

Experience

Look for an established local window company with a proven track record of success installing all window types. Seasoned providers are more likely to be able to seamlessly accommodate Hanover's climate and local homeowner needs. To confirm a company deliver quality work, request references from recent customers.

Certifications

Select an installer that is certified by major window brands and groups like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Suitable credentials show that a contractor has training in best practices for installation. Confirm that installers are staff rather than subcontractors, and verify that any technicians working on your project are certified.

Reputation

Read through online feedback from past clients, check the Better Business Bureau (BBB), and request local references. Review customer feedback to confirm that the provider consistently delivers quality work and good customer service. Avoid companies that have complaints of shoddy work or unfinished jobs.

Process

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

Warranties

Research window installers that provide guarantees on their work, and that provide warranties on products and labor. This indicates confidence in their work. Also look for unlimited lifetime warranties that can be transferred 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 have manufacturer warranties.

Frequently Asked Questions About Window in Hanover, NH

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

The right type of replacement windows for your Hanover home depends on when your home was built –the average house in Hanover was built around 1977. For older homes, you might want to consider energy-efficient windows such as double-glazed windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's great for older homes. For more modern homes, you might want to consider vinyl windows, which are durable, affordable and have a modern look.

The most expensive windows are those with multiple moving parts such as double-hung and casement windows. They are more intricate than single-hung windows, and so are more costly. Single-hung windows are the cheapest on the market. In terms of frames, vinyl and aluminum are the most affordable options.

It depends on your budget and the condition of your current windows. If your current windows are in good condition, you may want to wait and only replace the ones that really need replacing. If you're in an area with average energy costs, you may want to consider replacing all your windows at once to get the highest energy savings.

Yes, most window companies provide financing options for their customers. Some installers offer low-interest loans, although you may not qualify if your income is on the higher end, while other companies offer unique financing plans with terms and conditions that vary depending on the project.

Getting a professional window installer helps guarantee the job is done correctly. Professional installers will measure in order to get a perfect fit and use the right techniques and materials to ensure your windows will be properly sealed and fitted. Additionally, professional installers have access to better materials and more knowledge than the average person, so you can count on your windows to be put in correctly and last for years to come.

Other Hanover, NH Home Services

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