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18 months no interest or payments**
*Offer ends April 30, 2024
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  • Ironclad Warranties
  • 75+ Years of Experience
  • Custom, Time-Tested Products

Providing Expert Window Replacement Services to Nashua, NH, Homeowners

New windows installed on a New England home by NEWPRO

Since 1945, NEWPRO has been surpassing the expectations of homeowners in Nashua, New Hampshire, and throughout New England. We’ve become one of the most respected window replacement companies in the region by offering an array of exceptional window options and expert installation services, and we can install the perfect replacement windows for your home. When you partner with us, you’ll enjoy exceptional customer service—which has helped us earn an A+ rating with the Better Business Bureau—and the peace of mind that comes from knowing your new windows are backed by ironclad warranty protection.

We’ll Help You Find the Right Windows for Your Home

Another of the factors that helps us distinguish ourselves from other window replacement companies is the impressive selection of replacement windows we offer. Instead of a single product line, we offer three to ensure that each of our customers can find the perfect fit for their tastes and budget. You can select from popular styles like double-hung, casement, and sliding, and you can choose your preferred frame color and finish. Additionally, all of our windows come with upgrades designed to reduce heat transfer and make them more energy efficient, which could have a positive impact on your monthly energy costs.

Want More Information?

If you’re interested to learn more about the window replacement services we offer to homeowners throughout the Nashua, NH, area, contact NEWPRO today. We’ll be happy to schedule a free consultation so we can answer any questions you have.

Featured Testimonials

Siding, Roofing & Window Replacement Project

It honestly looks like a brand new home!

We've already noticed the benefits of our new roofing, siding, and windows. Everything just looks great so we're super happy.

North Attleboro, MA

Window Replacement Project

The window, since it's been replaced, has been awesome.

Portsmouth, NH

Pool House Doors Project

Cold stays out in the winter. Cold stays in during the summer.

The best thing I love is the craftsmanship from NEWPRO. You'd never know we had the old door cut out because it was rotted from the New England weather.

Scott Zolak

Roof Replacement

The work is awesome and they know what they're doing.

I don't have to worry, I have the assurance from NEWPRO. If you need a new roof, please call NEWPRO!

Hyde Park, MA

Bath to Shower Conversion

Our installer kept us informed every minute of the day and was so considerate.

Our whole bathroom looks so much bigger and brighter and is so beautiful. It made everything look so much cleaner!

Peabody, MA

Elite Bath

With the new shower installer, it feels so much bigger and it so beautiful.

We've got great storage and it's so easy to clean now too!

Marc Bertrand
Hanover, MA

LuxLife Flooring Replacement

During the consultation, we were very happy with how it was presented.

We love the color of the floors. It's a much better material and it's going to be beautiful no matter what. It's perfect for my two dogs too.

North Smithfield, RI

A Reputation You Can Trust

It’s easy to see what makes NEWPRO New England’s go-to home improvement company.

  • Since 1945third-generation, family-operated
  • 350k+ Smilesby happy homeowners in the New England area
  • 75+ Yearsof quality home remodeling
  • 300+ Expertsat your service
Facebook Website
Better Business Bureau

Giving Back Is Integral to NEWPRO’s Culture

Giving Back Is Integral to NEWPRO’s Culture
  • Community Heroes
  • Baths for the Brave
  • Healthcare Heroes

Home Improvement is About Improving Lives

NEWPRO is proud to support worthy initiatives in the communities we serve. Through our exceptional products and services, we help those in need make upgrades to their homes that have a meaningful impact on their lives.

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18 months no interest or payments** - *Offer ends April 30, 2024
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