10 Best Window Replacement Companies in Derry, NH

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Last Updated: February 25, 2025

Whether you're making significant home repairs or are simply in need of a change, upgrading your windows is a great plan. Your windows play a vital role in your home's value and its energy efficiency. In Derry, you could save about $435 a year on your electricity bills by upgrading your windows. Drafty or damaged windows can reduce your home’s energy efficiency by up to 30%, according to the Department of Energy. Deciding on a window installer can be tough, which is why we've put together a list of the top window installers in Derry.

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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 Derry

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 Window Replacement

Renewal by Andersen Window Replacement Logo

Our Rating

User Rating

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

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

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

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

362 Elm St, Marlborough, MA 01752 (508) 460-1943 powerhrg.com

Good customer service

Services Offered

Window replacement/installation
Energy-efficient options

DaBella

DaBella Logo

Our Rating

User Rating

110 Turnpike Rd Suite 108, Westborough, MA 01581 (508) 594-3633 dabella.us

Good customer service

Alside® vinyl windows

Transferable warranties

Family_owned

Timely service

Services Offered

Window replacement/installation
Glass doors
Vinyl frames
Double-hung

King Shade & Window Co.

King Shade & Window Co. Logo

Our Rating

User Rating

1764 Centre St, West Roxbury, MA 02132 (617) 323-0600 kingshadeandwindow.com

Good customer service

Free in-home consultation

Price transparency

Free assessment

Free design advice

Educational website

Full-service provider

Services Offered

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

CORE Remodeling Services, Inc.

CORE Remodeling Services, Inc. Logo

Our Rating

User Rating

41 Boylston St, Worcester, MA 01605 (888) 959-2673 coreremodelingservices.com

Price transparency

Educational website

Good customer service

Services Offered

Window replacement/installation

Accurate Glass, Inc.

Accurate Glass, Inc. Logo

Our Rating

User Rating

32d Holton St, Woburn, MA 01801 (781) 935-9999 accurateglass.com

Extensive online portfolio

Good customer service

Full-service provider

Free assessment

Online window shopping

Services Offered

Vinyl frames
Glass doors
Glass showers
Custom window designs
Window replacement/installation
Mirrors
Custom glass
Window repair
Metal frames

Nashua Glass

Nashua Glass Logo

Our Rating

User Rating

110 Chestnut St, Nashua, NH 03060 (603) 882-0648 nashuaglass.com

Price transparency

Good customer service

Free assessment

Services Offered

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

Window Nation

Window Nation Logo

Our Rating

User Rating

575 University Ave, Norwood, MA 02062 (781) 619-8591 windownation.com

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

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

Clear Choice Home Improvements

Clear Choice Home Improvements Logo

Our Rating

User Rating

8025 S Willow St #107, Manchester, NH 03103 (603) 232-0237 clearchoicehomeimprovement.com

Timely service

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

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

Lighthouse Contracting Group, LLC

Lighthouse Contracting Group, LLC Logo

Our Rating

User Rating

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

Free assessment

Educational website

Good customer service

Price transparency

Services Offered

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 Derry?

Window installation and replacement costs will be influenced by several factors, including the materials you choose, the number and size of the windows, and how difficult your windows are to access or install. On average, homeowners in Derry 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

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

  • High energy bills and discomfort from poor insulation around windows.
  • Outdated and inefficient window styles that reduce your house's curb appeal.
  • Windows that are difficult to close, open, and lock properly due to wear and age.
  • Condensation issues, fogging between window panes, or rotting window frames that allow moisture intrusion into the home.
  • Cold air and drafts coming in through old, loose-fitting windows.

How To Choose a Window Company

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

Experience

Make sure you hire a seasoned local installer with a proven track record of successfully installing and replacing windows. Installers that have served Derry for 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

Select an installer that is certified by major window brands and groups like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor is trained in window installation best practices. Confirm that installers are staff rather than subcontracted workers, and check that the technicians working on your home are certified.

Reputation

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

Process

The best company will take time to provide you with a detailed project plan, timeline, expectations, and reviews of all material and installation options. Beware of vague quotes or timelines that don't provide enough specifics upfront. Look for regular communication throughout the process to avoid surprises later on.

Warranties

Seek out window installers that back their installations with guarantees and offer warranties on labor and materials. This is a sign of expert workmanship. Opt for companies with unlimited lifetime warranties that can transfer to new homeowners.

Materials

Confirm that your window company offers windows built for longevity as well as leading energy-efficient window bands that fall within your budget. Research choices with enhanced UV protection, design flexibility, and good energy ratings, and verify that the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Derry, NH

In Derry, the best time to install windows is when temperatures are mild, generally in the spring or fall. This enables professionals to do their work without having to worry about the weather.

The ideal type of replacement windows for your Derry home depends on the year your home was built –the average house in Derry was built around 1978. If your home was built a while ago, you might want to consider efficient windows such as double-pane windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's perfect for older homes. For newer homes, you may want to consider vinyl windows, which are affordable, durable and have a modern look.

Windows made from vinyl, fiberglass, or wood are known to last the longest, with some lasting for close to 45 years. Vinyl windows are particularly durable and low-maintenance, making them an excellent choice if you want windows that can last a long time. Adding more glazing can help reduce your cooling and heating bills in the long run.

The process for window installation typically includes measuring the space, removing the existing windows, installing the replacement windows, inspecting for proper insulation, and caulking around the edges of the frames. Extra steps may be necessary depending on the type of window being installed.

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

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

Other Derry, NH Home Services

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