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

Replacement Windows That Perform Reliably in the Portsmouth, NH Climate

A bow window on a home with shake sidingIf you can feel how hot or cold it is outside every time you walk near one of your home’s closed windows, then it’s likely time to consider a window replacement project. Heat transfer is one of the biggest culprits in high heating and cooling costs, and old windows that allow significant heat transfer can account for up to 30% of your monthly energy usage. If you’re anxious to part ways with the inefficient windows at your Portsmouth, New Hampshire, home, look to NEWPRO. We offer replacement windows that are engineered to provide excellent thermal performance no matter what the outside weather conditions are, and we stand behind our products and installations with ironclad warranty protection.

Offering NEWPRO MAX Series Replacement Windows in Portsmouth, NH

We offer “good, better, best” window options to ensure that each customer can find the perfect fit for his or her needs. However, that doesn’t mean that we offer lesser replacement windows. All our products are engineered to provide outstanding weather protection and energy efficiency thanks to:

  • Frames and sashes that are made from Celuca, a composite material that delivers better thermal performance than vinyl and can stand up to the elements without cracking, fading, warping, or rotting.
  • Multi-pane low-E glass that reduces heat transfer and UV rays
  • HeatSeal spacers that help ensure the integrity of the window seals

Learn More About Our Replacement Windows for Portsmouth, NH

Contact NEWPRO today and we’ll schedule a time to visit your Portsmouth, NH, home to answer any questions you have about our high-performance replacement windows.

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.

50% OFF Installation*
- + -
18 months no interest or payments** - *Offer ends June 30, 2024
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