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  • 75+ Years of Experience
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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

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

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 Replacement Project

The NEWPRO process was fantastic.

They showed us a full 3D rendering of the final result before anything ever got started.

★★★★★
Peter & Jessica
Kingston, MA

Window Replacement Project

Quality of the windows was superior to the others we looked at. Now, our windows tilt in, so it's going to be much easier to clean them.

★★★★★
Frank
Pembroke, MA

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
Massachusetts

Windows Replacement Project

The sales guy was very thorough and answered all of my questions. The guys that installed the windows were fantastic.

My heating bills have dropped significantly — by about 30% than what they were before.

★★★★★
Ed Morneau
Massachusetts

Whole Home Solutions

Go with NEWPRO like I did, they are my home improvement partners for life.

They've replaced my roof, my front door, 38 windows around my house, my guest bath, and the doors on my pool house.

★★★★★
Scott Zolak
Massachusets

1-Day Bath Install

We totally fell in love with the designs.

NEWPRO really gave us an idea of how beautiful our bathroom could be.

★★★★★
Josh & Daisy
Methuen, MA

MAX-PROTECT ROOF SYSTEM

Not only will it beautify your home, it will protect it for years to come.

The process is actually very easy. Call NEWPRO — they'll tell you exactly what your home needs.

★★★★★
Scott Zolak
Wrentham, MA

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-owned and -operated
  • 350k+ Smilesby happy homeowners in the New England area
  • 75+ Yearsof quality home remodeling
  • 300+ Expertsat your service
Facebook Website
Rating
4.7
Better Business Bureau
Rating
A+
GuildQuality
Rating
4.5
Google
Rating
4.7
 HomeAdvisor
Rating
4.5

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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EXTRA 5% SAVINGS*
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25% Off Your Project** - *Offer ends October 9, 2023
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