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TRUSTED BY GRANTHAM, NH HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon44
    Verified window and door contracting services reviews

Top-Rated Window and door contractors in Grantham - Updated Nov 2026

Avatar for DMM Siding, Roofing, Etc.
DMM Siding, Roofing, Etc.
5.0(
24
)
Doors (Interior) - Install or ReplaceNew Window - SingleNew Windows - 2+2 more

Serving Grantham, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"I recently hired Devin to reside my house and replace the front door, and I couldn’t be happier with the results. From start to finish, Devin was professional, reliable, and easy to work with. He clearly takes pride in his work—the attention to detail was evident in every aspect of the project. When replacing the front door, Devin discovered rot beneath the old frame. He took the time to properly address and repair all the issues around the door before installing the new one, and did an excellent job making sure everything was solid and well-sealed. The final result looks great and feels very secure. The new siding also came out fantastic and really improved the look of my home. Devin was flexible throughout the project and accommodating with any changes, making the entire process smooth and stress-free. If you’re looking for a contractor who does quality work and genuinely cares about the finished product, I highly recommend Devin."
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+8

Response time1 day
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for All Work Construction INC.
All Work Construction INC.
4.7(
25
)
New Windows - 3-5New Windows - 6 +

Serving Grantham, NH and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

All Work Construction is proudly the #1 Home Improvement Company for Hooksett NH and beyond. We specialize in bathroom remodeling, kitchen remodeling, exteriors such as vinyl siding, shingle roof replacement, replacement windows, and exterior doors. Contact us today to request our home remodeling services. We offer free estimate consultations! (We serve NH, Northern MA, and partial ME)

Tile
Shower Stall
Tubs
Shower-Tub Combo
Tile

+15

Response time1 day
Response rate100%
Recommended by91%of homeowners
DaBella - Salem (Windows)
4.0(
259
)
New Windows - 6 +New Windows - 3-5

Serving Grantham, NH and surrounding areas

Approved (Corporate)

In business since 2011

Free estimates

Credit card accepted

"James C was very professional in explaining his window product and we were very happy to move forward with Dabella to get our windows upgraded. Now the work has been done we are incredibly pleased with the result and the look of our new windows"
1 neighbors recently requested a quote
Recommended by84%of homeowners
West Shore Home North Boston
5.0(
2
)
Doors (Exterior) - Install or ReplaceSliding Door - Install

Serving Grantham, NH and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Credit card accepted

West Shore Home offers a risk-free home improvement experience, so you never have to worry that you are sacrificing on quality, convenience, or expertise. We specialize in window, entry door, shower and bath replacements, including walk-in tubs. We offer fully customizable, limited lifetime-guaranteed solutions installed in as little as one-day. All of our installers are in-house employees, so we can guarantee the quality of the whole project from start to finish. We get it done the way you want - fast, easy, smart and right. \n

75 neighbors recently requested a quote
Avatar for Barton's Perfection +, LLC
Barton's Perfection +, LLC
3.4(
7
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or ReplaceDoors - Repair

Serving Grantham, NH and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"I hired Cody for so many projects! He painted my roof, the outside of my house, detailed work inside. He re-glazed my windows, sanded and painted my ceilings, repainted my radiators, and more. His work is perfect and detailed oriented. He also staged my house painting over the course of the summer in order to make it easy for me to pay for it. Cody is also extremely polite and pleasant to be around. I highly recommend him."
Before.
After.
Before.
Before.
After.

+77

Response time5 hrs
Recommended by80%of homeowners
Avatar for Long Home
Long Home
New to Angi
New Windows - 6 +

Serving Grantham, NH and surrounding areas

Approved

In business since 1999

Free estimates

Credit card accepted

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We are experts in all aspects of window projects and specialize in multiple window instillation for residential homes. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

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Window Door Contractors FAQs, answered by experts

Most window screens in residential homes are designed to be removed from the inside, especially with double-hung, single-hung, and casement styles. That said, some setups require exterior removal. Older homes or custom installs may have exterior clips or brackets, and sunscreens are almost always mounted on the outside. Before removing your window screen, look at how it is held in place.

Some hardware or specialty window stores in your area may repair damaged screens, but it’s less time-consuming, more convenient, and potentially more affordable to hire a screen repair technician to come to your home to do the work on-site. The screen technician will have the tools and experience to get the work done the same day, and they can inspect other screens while there to help avoid repeat repair costs in the future.

Most windows last for 15 to 30 years, depending on the frame material and the glass quality, but most will require repairs during that time. Windows gradually lose efficiency, so it’s usually best to have a window repair technician inspect and service your windows every five to 10 years. You should also repair your windows if you experience the following:

  • Leaks

  • Drafts

  • Difficulty opening or closing

  • Sudden increases in heating and cooling bills

  • Outdoor noise becomes more audible

  • Signs of physical damage

There are different types of screen materials available when purchasing a screen door, but the two main options are fiberglass and aluminum. Fiberglass is lightweight and affordable, but can stretch out, so it needs to be replaced more often. Aluminum has a higher upfront cost, but is more sturdy. Aluminum can be more difficult to install, even if you know how to replace screen door mesh.

Window screens can help keep some heat out of your home, which is one benefit of using them in summer. It’s also the reason experts suggest removing your screens in winter—so it’s easier for the sun’s warmth to filter into your home. This will keep you cozier and potentially reduce your heating bills.

The Grantham, NH homeowners’ guide to window and door contracting services

From average costs to expert advice, get all the answers you need to get your job done.