20 Best Window Companies in Hampstead, NH (2023 Reviews)
When you need to replace your windows, our reviews of the best window installation companies can help you find the right provider for you.
We analyzed all the top-rated window companies in Hampstead and selected the best 20 based on:
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Customer reviews
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Window installation expertise
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Popularity with home-owners like you
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Updated September 15, 2023
Why you can trust EcoWatch
A review of the top window installation companies in Hampstead may not seem like the most captivating article on EcoWatch, but trust us, windows have more of an impact on your life than you might think. The Department of Energy estimates that heat or cool air lost through old or damaged windows could represent nearly 30% of heating and cooling use. In Hampstead, where the power bills are an average of $34 per month, that's almost $$121 per year wasted.
Fortunately, saving you money with more efficient windows also helps our goals of conserving energy and the resources it takes to produce it.
Unlike other review sites, EcoWatch ranks window installation companies on energy efficiency while also factoring in cost, customer satisfaction and service area.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
Best Window Installation & Replacement Companies in Hampstead
The EcoWatch team researched many window providers in Hampstead to find the top ones for our readers. We assessed the companies based on energy-efficient offerings, local experience, customer service, coverage area, price and more.

Window World
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EnergyStar Partner
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Large serice area
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Low prices relative to competitors
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Great industry reputation
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Lifetime warranty
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Quality of service will depend on your area
Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has around 27 years of experience in the window replacement sector. Its reputation is backed by several positive reviews on customer review websites.
It has established itself as a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsIts high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World’s windows are Energy Star certified, so make sure you mention that you’d like Energy Star windows when inquiring.
How much does Window World cost in Hampstead?Window World doesn’t have any cost information available on its website, but it's known for offering some of the most affordable window installations around. If you’d like more accurate pricing information, you can inquire about a quote on the company’s website.

Renewal by Andersen
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Great industry reputation
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Award-winning company
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Member of US Green Building Council
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Manufactures products in-house
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No lifetime warranty
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More expensive than competition
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has around 27 years of experience in the window replacement sector. Its reputation is backed by several positive reviews on customer review websites.
It has established itself as a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsA handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019. Not all of Andersen’s windows are Energy Star certified, so make sure you mention that you’d like Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Hampstead?Andersen doesn’t have any cost information available on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. If you’d like more accurate pricing information, you can inquire about a quote on the company’s website.

Aeroseal Windows
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Many years of experience
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Great industry reputation
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Low number of customer complaints
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Manufactures products in-house
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Custom Designs
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No lifetime warranty
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Not ideal for residential installations
Aeroseal Windows offers the best window installation for businesses in Hampstead. It's an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. Aeroseal has about 23 years of experience in the windows industry, and it currently serves 13 states and Washington D.C. The company has many positive reviews from customers online.
If you’re looking for a company that installs windows and doors at businesses across the Eastern U.S, Aeroseal may be the right provider for you.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows is an Energy Star partner offering a variety of energy-efficient windows. Note that not all of the company’s windows are Energy Star certified, so be sure to mention that you want energy-efficient windows to your Aeroseal representative when inquiring about services.
How much does Aeroseal Windows cost in Hampstead?Prices aren’t mentioned on Aeroseal’s website, but it provides high-quality windows at a competitive price point. Getting a free quote on its website is the best way to get more accurate information.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has around 20 years of industry experience, and it currently provides services to 27 states nationwide.
It has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct has some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want high-quality Energy Star windows when inquiring. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.
How much does Universal Windows Direct cost in Hampstead?Universal does not mention prices on its website, but installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. The best way to get more accurate pricing information is to ask for a free quote from the company.
We try to be unbiased and transparent by including pros and cons for every company we review. Additionally, our rankings are not affected by any partnerships.
More Window Companies in Hampstead
Renewal by Andersen of Boston
Northborough, MA-
Free assessment
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Educational Website
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Price Transparency
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Good Customer Service
Services Offered
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Residential Windows
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Fast Delivery
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Stained Glass
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Window Replacement
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Commercial Windows
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Double-Hung
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Sliding Glass
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Glass Showers
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Bay Windows
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Custom Window Designs
Window World of New Hampshire
Manchester, NH-
Educational Website
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Price Transparency
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Free assessment
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Good Customer Service
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Timely Service
Services Offered
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Residential Windows
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Custom Window Designs
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Double-Hung
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Window Replacement
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Bay Windows
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Fast Delivery
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Sliding Glass
Refined Home Services
Atkinson, NH-
Free assessment
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Good Customer Service
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Timely Service
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Educational Website
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Price Transparency
Services Offered
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Glass Showers
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Custom Window Designs
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Double-Hung
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Residential Windows
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Commercial Windows
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Fast Delivery
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Stained Glass
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Window Replacement
DaBella
Salem, NH-
Educational Website
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Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Window Replacement
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Double-Hung
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Glass Showers
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Custom Window Designs
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Bay Windows
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Commercial Windows
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Residential Windows
Manny's Roofing
Pelham, NH-
Educational Website
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Good Customer Service
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Timely Service
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Price Transparency
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Free assessment
Services Offered
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Commercial Windows
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Residential Windows
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Custom Window Designs
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Window Replacement
Fiori Construction LLC
Londonderry, NH-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Window Replacement
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Custom Window Designs
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Residential Windows
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Commercial Windows
Corporate Office for Pella of Boston
Haverhill, MA-
Price Transparency
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Educational Website
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Free assessment
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Good Customer Service
Services Offered
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Energy-Efficient Options
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Sliding Glass
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Custom Window Designs
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Bay Windows
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Residential Windows
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Window Replacement
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Double-Hung
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Commercial Windows
HI Tech Window and Siding Installations Inc.
Methuen, MA-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Custom Window Designs
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Energy-Efficient Options
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Residential Windows
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Window Replacement
PIC Home Pros
Londonderry, NH-
Free assessment
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Price Transparency
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Good Customer Service
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Educational Website
Services Offered
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Residential Windows
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Window Replacement
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Custom Window Designs
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Fast Delivery
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Glass Showers
Universal Windows Direct of Manchester
Manchester, NH-
Free assessment
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Educational Website
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Price Transparency
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Timely Service
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Good Customer Service
Services Offered
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Residential Windows
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Full-Service Installations
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Custom Window Designs
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Bay Windows
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Commercial Windows
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Sliding Glass
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Window Replacement
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Double-Hung
Window Woman of New England
Amesbury, MA-
Good Customer Service
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Price Transparency
Services Offered
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Residential Windows
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Window Replacement
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Energy-Efficient Options
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Window Repair
Clear Choice Home Improvements
Manchester, NH-
Timely Service
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Custom Window Designs
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Bay Windows
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Window Replacement
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Residential Windows
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Double-Hung
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Fast Delivery
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Sliding Glass
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Commercial Windows
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Glass Showers
Tri-State Glass & Screen Repair
Lawrence, MA-
Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Window Replacement
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Window Repair
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Residential Windows
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Custom Window Designs
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Sliding Glass
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Commercial Windows
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Tempered Glass
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Glass Showers
Dependable J M R Siding
Manchester, NH-
Educational Website
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Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Custom Window Designs
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Commercial Windows
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Fast Delivery
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Double-Hung
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Sliding Glass
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Window Replacement
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Residential Windows
The Window Source NH
Seabrook, NH-
Free assessment
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Price Transparency
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Good Customer Service
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Educational Website
Services Offered
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Energy-Efficient Options
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Sliding Glass
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Double-Hung
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Window Replacement
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Residential Windows
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Bay Windows
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Custom Window Designs
Morgan Exteriors
Hooksett, NH-
Educational Website
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Good Customer Service
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Free assessment
Services Offered
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Custom Window Designs
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Bay Windows
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Window Replacement
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Double-Hung
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Residential Windows
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Sliding Glass
Granite State Glass
Hudson, NH-
Price Transparency
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Educational Website
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Good Customer Service
Services Offered
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Custom Window Designs
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Glass Showers
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Window Replacement
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Aluminum Window Frames
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Fast Delivery
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Residential Windows
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Commercial Windows
Rejean's Custom Quality Siding LLC
Manchester, NH-
Free assessment
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Good Customer Service
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Price Transparency
Services Offered
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Custom Window Designs
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Window Replacement
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Commercial Windows
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Residential Windows
Dracut Window & Door
Dracut, MA-
Free assessment
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Educational Website
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Price Transparency
Services Offered
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Residential Windows
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Window Replacement
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Custom Window Designs
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Energy-Efficient Options
Atlantic Window Warehouse
Newburyport, MA-
Educational Website
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Price Transparency
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Free assessment
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Timely Service
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Good Customer Service
Services Offered
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Fast Delivery
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Double-Hung
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Window Replacement
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Residential Windows
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Custom Window Designs
Calculate how much you can expect to pay for window installation and replacement in Hampstead, NH using our customized window cost calculator.
Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.
How Installing Energy-Efficient Windows in Hampstead Saves You Money
Switching to energy-efficient windows can help improve the comfort of your home and help you save on energy bills. Here are more details about how switching out your windows could benefit you:
- Better temperature control in your home: Energy-efficient windows can cut back on how much heat is lost through your windows when heating your home.
- Save on energy bills: Installing energy-efficient windows reduces your energy bills by about 12% since you need less energy.
- Protect your valuables: The low-emissivity coatings on many energy-efficient windows help reduce damage from the sun's UV rays to your floors, carpets and furniture.
- Protect your investment: When you have an older home, your windows could also be outdated or leaky. Upgrading your windows is an important part of maintaining your property and its value.
Estimated Cost of Window Replacement in Hampstead
Windows come in different styles, shapes and purposes, so costs and services will vary tremendously based on several factors. Below, we detail the typical cost and services that you'll find from window replacement companies.
How Much Do New Windows Cost?
Though the typical to replace a single window is around $600, it can range anywhere from $200 to $1,200. But costs will vary significantly based on the number of windows you need, your location, the current condition of your home and the quality of your products. Many window companies also offer replacement door installations and other add-ons like coating, shutters, baths and more. These extra services will increase your overall project costs.
It's important to bear in mind that windows with the best efficiency may cost more upfront but can save you hundreds of dollars via returns on your energy bills. Investing in certified energy-efficient windows can save Hampstead homeowners $435+ a year when replacing single-pane windows.
Asking for free quotes from multiple companies is the best way to figure out which one is right for you.
What Services do Window Installers Offer?
The first question to ask yourself when planning on installing new windows is: Should you get a full-frame installation or a pocket installation?
A full-frame installation replaces the full window, such as the windowsill, frame, trim and the window panes. Because this kind of installation is more involved, it will cost more than a pocket installation. A pocket installation entails replacing a window without replacing the frame. This means instead of tearing out the whole unit and rebuilding it, the installer will just put the replacement window (also called a retrofit or insert window) into the frame.
If you're still debating which kind of installation to get, you can ask your provider and get their advice. The choice mostly depends on how old the frames are and if there's any damage present.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
How We Choose the Best Window Installers in Hampstead
In our search to find the most reliable, eco-friendly window installers in Hampstead, the EcoWatch Reviews team landed on the above companies as the best window installation companies in the city. Along with energy efficiency, we reviewed each installer and assigned rankings based on the following methodology:
Service Area
This one is pretty self-explanatory, but we've chosen to highlight window installation companies that serve the Hampstead area so you can find the right window installation company near you.
Work Quality
We're certain that you're looking for professionals who do a great job installing windows. We've vetted each company on this list to make sure its contractors are well-qualified and that the company has gotten a lot of positive customer feedback to vouch for its service.
Customer Reviews
Another self-explanatory yet super important review factor is customer feedback. If most customers don't have nice feedback about their service from a certain installer, it won't be featured on EcoWatch.
Cost
This one is a give-and-take: similar to most services, cheap window installation companies won't always provide the most quality service. On the other hand, we want to make sure we're highlighting companies that offer a spectrum of price and financing options so they're accessible to most homeowners.
Warranty
As discussed, windows are a significant investment, so you'll want to make sure that investment is well protected. Window installation companies that provide lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have been in the industry for quite some time. Window installers that have more experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.
Hampstead, NH Window Replacement FAQs
What is the average cost to install windows?
The average cost of installing a window ranges from $450 to $650. There are several factors that affect how much it costs, which include the number of windows, local labor costs, your property's location, how energy-efficient the windows are, styles and sizes of windows and the materials used in designing the windows.
What are the most common kinds of replacement windows?
There are various types of windows you can get for your house, including bay windows, transom windows, picture windows, casement windows, double-hung and single-hung windows, awning windows and slider windows.
When do I need to use a window installation company?
Unless you're handy and have all of the necessary tools to replace your own windows, we recommend hiring the pros. The window installation process is complicated and can take anywhere from four to six hours for a single window. Although it's tempting to try to do it yourself to save money, hiring a professional is a faster, more efficient and safer alternative.
Should I replace my windows all at the same time?
If your windows are greater than 20 years old, you probably need to replace all of them. At that point, they are often less efficient, draftier and/or more damaged than new windows. Replacing your windows all at once will involve less paperwork and less stress.