26 Best Window Replacement Companies in Gilford, NH (2023 Reviews)
Window Companies Near Me
Thinking about improving your house's energy efficiency? The top window replacement companies can help.
We analyzed all the top window installers in Gilford and selected the top 26 based on:
-
Customer reviews
-
Window replacement expertise
-
Popularity with home-owners like you
Please enter a valid 5-digit zip code!

Updated May 04, 2023
Why you can trust EcoWatch
The EcoWatch team is all about helping Gilford homeowners make their homes more eco-friendly. Drafty or leaky windows can cut your home's energy efficiency by up to 30%, according to the Department of Energy. In Gilford, that's nearly $492 a year that you could save on your energy bills by making the switch.
That's also bad news for the environment, as the extra energy used by outdated windows increases your carbon footprint.
Efficient windows are especially important in Gilford, where winters are long and cold. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $492 each year.
Best Affordability
Window World
- Large serice area
- Low prices relative to competitors
- EnergyStar Partner
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Great industry reputation
- Member of US Green Building Council
- No lifetime warranty
Best for Businesses
Aeroseal Windows
- Many years of experience
- Custom Designs
- Great industry reputation
- No lifetime warranty
Best Window Replacement Companies in Gilford
The EcoWatch team evaluated dozens of installers in Gilford to find the best window installation companies for our readers. The companies mentioned in this article scored the best in our review categories, such as energy-efficient offerings, customer service, availability, price, local expertise and more.

Window World
-
Large serice area
-
Low prices relative to competitors
-
EnergyStar Partner
-
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 been in the window installation business for around 27 years.
Window World may be the company for you if you're interested in one 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 WindowsThere are a wide variety of window types available from Window World, some of which are Energy Star products. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.
How much does Window World cost in Gilford?Though pricing information is not available on Window World's website, it's known for offering some of the most affordable window installations around. The best way to know for sure is to receive a free quote from the company.

Renewal by Andersen
-
Manufactures products in-house
-
Great industry reputation
-
Member of US Green Building Council
-
No lifetime warranty
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window installation business for about 27 years. The company has hundreds of glowing reviews from customers online.
Andersen may be the company for you if you want one 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 be sure to mention that you're interested in Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Gilford?Prices are not available on Andersen's website, as the cost of window replacement depends on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. The best way to get more accurate pricing information is to request a free quote from the company.

Aeroseal Windows
-
Many years of experience
-
Custom Designs
-
Great industry reputation
-
No lifetime warranty
Aeroseal Windows has the best window installation for businesses in Gilford. This window installation company has been operating since 1999 and currently provides services to 13 states and Washington D.C. The provider has many positive reviews from customers online.
You may want to consider picking Aeroseal if you're interested in a company that installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsThe company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more. Not all of Aeroseal's windows are Energy Star certified, so be sure to mention that you're interested in Energy Star windows when inquiring.
How much does Aeroseal Windows cost in Gilford?Aeroseal doesn't have any pricing information listed on its 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 pricing information.

Universal Windows Direct
-
Makes charitable contributions
-
Manufactures products in-house
-
Wide variety of products and services
-
Lifetime warranty
-
Limited service area
-
Some installations carried out by third-party contractors
-
Quality of service will depend on your area
Universal Windows Direct has the best warranty in Gilford. Universal has over 20 years of experience in the industry, and it currently provides services to 27 states nationwide. Many positive reviews on customer review websites back the provider's reputation.
It has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct caters to eco-conscious consumers by providing energy-efficient window offerings. 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 Gilford?Prices aren't mentioned on Universal's 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. Requesting a free quote on its website is the best way to get more accurate pricing information.
Please note that the following companies are national, which means the quality of the service may depend on your local crew. We have tried to remain unbiased and transparent by describing pros and cons for each provider.
More Window Replacement Companies in Gilford
Clear Choice Home Improvements
Manchester, NH-
Price Transparency
-
Timely Service
-
Good Customer Service
-
Free assessment
-
Award-Winning
Services Offered
-
Double-Hung
-
Custom Window Designs
-
Fast Delivery
-
Bay Windows
-
Commercial Windows
-
Sliding Glass
-
Residential Windows
-
Glass Showers
Marquis Roofing
Manchester, NH-
Educational Website
-
Award-Winning
-
Good Customer Service
-
Free assessment
-
Price Transparency
-
Timely Service
Services Offered
-
Commercial Windows
-
Residential Windows
-
Custom Window Designs
-
Double-Hung
-
Fast Delivery
-
Stained Glass
Window World of New Hampshire
Manchester, NH-
Free assessment
-
Award-Winning
-
Good Customer Service
-
Price Transparency
-
Educational Website
Services Offered
-
Bay Windows
-
Custom Window Designs
-
Sliding Glass
-
Double-Hung
-
Residential Windows
-
Fast Delivery
Budget Blinds of the Seacoast
Portsmouth, NH-
Good Customer Service
-
Free assessment
-
Educational Website
Services Offered
-
Energy-Efficient Options
-
Aluminum Window Frames
-
Custom Window Designs
-
Glass Showers
-
Fast Delivery
-
Residential Windows
-
Commercial Windows
M&M Skylights
Brentwood, NH-
Good Customer Service
-
Timely Service
-
Price Transparency
-
Free assessment
Services Offered
-
Commercial Windows
-
Fast Delivery
-
Energy-Efficient Options
-
Residential Windows
-
Double-Hung
-
Glass Showers
-
Custom Window Designs
The Window Source NH
Seabrook, NH-
Free assessment
-
Educational Website
-
Award-Winning
-
Price Transparency
-
Good Customer Service
Services Offered
-
Residential Windows
-
Sliding Glass
-
Double-Hung
-
Custom Window Designs
-
Energy-Efficient Options
-
Bay Windows
Window World of Southern Maine
Westbrook, ME-
Award-Winning
-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Double-Hung
-
Bay Windows
-
Fast Delivery
-
Custom Window Designs
-
Sliding Glass
-
Residential Windows
Dependable J M R Siding
Manchester, NH-
Good Customer Service
-
Educational Website
-
Free assessment
-
Price Transparency
Services Offered
-
Custom Window Designs
-
Commercial Windows
-
Fast Delivery
-
Residential Windows
-
Double-Hung
-
Sliding Glass
Glass Unlimited
Wells, ME-
Free assessment
-
Good Customer Service
-
Timely Service
-
Price Transparency
Services Offered
-
Aluminum Window Frames
-
Glass Showers
-
Commercial Windows
-
Fast Delivery
-
Sliding Glass
-
Residential Windows
-
Custom Window Designs
-
Full-Service Installations
Portland Glass of Springvale & Sanford
Springvale, ME-
Educational Website
-
Good Customer Service
-
Price Transparency
-
Free assessment
Services Offered
-
Fast Delivery
-
Double-Hung
-
Residential Windows
-
Commercial Windows
-
Glass Showers
-
Custom Window Designs
Portland Glass of Hooksett/Manchester
Hooksett, NH-
Educational Website
-
Timely Service
-
Price Transparency
-
Good Customer Service
-
Free assessment
Services Offered
-
Double-Hung
-
Commercial Windows
-
Residential Windows
-
Custom Window Designs
-
Glass Showers
Pella Windows & Doors of Newington
Newington, NH-
Price Transparency
-
Good Customer Service
-
Free assessment
-
Educational Website
Services Offered
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Bay Windows
-
Double-Hung
-
Sliding Glass
Minuteman Floors
Manchester, NH-
Price Transparency
-
Educational Website
-
Timely Service
-
Free assessment
-
Good Customer Service
Services Offered
-
Residential Windows
-
Custom Window Designs
-
Glass Showers
-
Commercial Windows
-
Sliding Glass
Home Services at The Home Depot
Somersworth, NH-
Free assessment
-
Price Transparency
-
Good Customer Service
-
Educational Website
Services Offered
-
Bay Windows
-
Custom Window Designs
-
Fast Delivery
-
Commercial Windows
-
Aluminum Window Frames
-
Residential Windows
-
Glass Showers
-
Stained Glass
Home Services at The Home Depot
Tilton, NH-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Bay Windows
-
Custom Window Designs
-
Fast Delivery
-
Stained Glass
-
Double-Hung
-
Commercial Windows
-
Residential Windows
-
Glass Showers
Universal Windows Direct of Manchester
Manchester, NH-
Award-Winning
-
Price Transparency
-
Free assessment
-
Educational Website
-
Good Customer Service
Services Offered
-
Sliding Glass
-
Commercial Windows
-
Energy-Efficient Options
-
Residential Windows
-
Custom Window Designs
Home Services at The Home Depot
West Lebanon, NH-
Free assessment
-
Good Customer Service
-
Price Transparency
-
Educational Website
Services Offered
-
Residential Windows
-
Bay Windows
-
Glass Showers
-
Double-Hung
-
Commercial Windows
-
Fast Delivery
-
Stained Glass
-
Custom Window Designs
Home Services at The Home Depot
Claremont, NH-
Price Transparency
-
Educational Website
-
Good Customer Service
-
Free assessment
Services Offered
-
Stained Glass
-
Aluminum Window Frames
-
Residential Windows
-
Commercial Windows
-
Fast Delivery
-
Bay Windows
-
Glass Showers
-
Custom Window Designs
Pane Free Glass
Manchester, NH-
Educational Website
-
Free assessment
-
Good Customer Service
-
Price Transparency
Services Offered
-
Sliding Glass
-
Residential Windows
-
Full-Service Installations
-
Custom Window Designs
-
Commercial Windows
-
Fast Delivery
-
Glass Showers
Corporate Office for Pella of Boston
Haverhill, MA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Residential Windows
-
Bay Windows
-
Energy-Efficient Options
-
Custom Window Designs
-
Sliding Glass
-
Double-Hung
-
Commercial Windows
Stone Coast Remodeling
Standish, ME-
Educational Website
-
Free assessment
-
Good Customer Service
-
Price Transparency
Services Offered
-
Glass Showers
-
Double-Hung
-
Stained Glass
-
Custom Window Designs
-
Fast Delivery
-
Residential Windows
Pro Entry Installs LLC
Salem, NH-
Price Transparency
-
Award-Winning
-
Timely Service
-
Good Customer Service
-
Educational Website
Services Offered
-
Double-Hung
-
Residential Windows
-
Bay Windows
-
Custom Window Designs
Portland Glass of Nashua
Nashua, NH-
Educational Website
-
Good Customer Service
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Double-Hung
-
Custom Window Designs
-
Commercial Windows
-
Residential Windows
Portland Glass of Dover
Dover, NH-
Educational Website
-
Price Transparency
-
Free assessment
-
Good Customer Service
Services Offered
-
Commercial Windows
-
Residential Windows
-
Custom Window Designs
-
Double-Hung
-
Glass Showers
Portland Glass of North Conway
North Conway, NH-
Free assessment
-
Educational Website
-
Price Transparency
-
Good Customer Service
Services Offered
-
Double-Hung
-
Residential Windows
-
Custom Window Designs
-
Commercial Windows
-
Glass Showers
Portland Glass of Biddeford
Biddeford, ME-
Price Transparency
-
Free assessment
-
Good Customer Service
-
Educational Website
Services Offered
-
Residential Windows
-
Glass Showers
-
Double-Hung
-
Custom Window Designs
-
Commercial Windows
How Installing Energy-Efficient Windows in Gilford Saves You Money
When you switch to energy-efficient windows, you may see a few benefits, such as:
- Protect your investment: If you have a relatively old home, your windows are most likely outdated. Updating your windows can improve the insulation in your home and also help raise the value of your property if you decide to sell.
- Save on power bills: Once you install energy-efficient windows, you can expect a reduction in your bills by about 12% because you'll require less energy to heat or cool your home.
- Protect your valuables from fading: When you upgrade to energy-efficient windows that have low-emissivity coatings, your floors, carpets and furniture will be protected from fading because of their ability to filter out damaging UV rays.
- Decrease your carbon footprint: You can reduce your carbon footprint by about 12% once you install Energy Star certified windows. In Gilford, that's about 152 pounds per year on average.
Estimated Cost of Window Replacement in Gilford
Each window installation company offers varying services and has different price points based on several factors.
How Much Do New Windows Cost?
Even though the typical of replacing one window is about $600, it can range anywhere from $200 to $1,200. Costs will vary considerably based on the current condition of your home, the quality of your products, your location and the number of windows you need. Many window companies also offer replacement door installations and other add-ons like coating, baths, shutters and more. Additional services will increase overall project costs.
It's also worth bearing in mind that energy-efficient windows will almost always cost more upfront, but Energy Star predicts that upgrading the windows on your Gilford home translates to an average energy savings of $236 to $319 per year for single-pane window replacement, or between $87 to $126 per year for double-pane windows. How much you'll save by installing energy-efficient windows depends on your local climate, energy rates and other factors unique to your home.
Getting free quotes from multiple providers is the best way to find out which one is right for you.
What Services do Window Installers Offer?
There are typically two types of window replacement services: full-frame and pocket installations.
A full-frame installation is a replacement of the total window. This service involves taking out the old window, the sill, and the exterior and interior trim. It also involves additional materials, including insulation and drip edges, which increase the total cost of the project. Also worth noting: it's not uncommon for homeowners to have to touch up the paint around the window after a full-frame installation. Pocket installations (or retrofits) involve replacing a window within the existing frame, which makes pocket installations more simple and affordable. But, if the frame has any rot or deterioration, you will likely need a full-frame installation instead.
Your window installer should be able to help you choose which type of installation you need.
Best Affordability
Window World
- Large serice area
- Low prices relative to competitors
- EnergyStar Partner
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Great industry reputation
- Member of US Green Building Council
- No lifetime warranty
Best for Businesses
Aeroseal Windows
- Many years of experience
- Custom Designs
- Great industry reputation
- No lifetime warranty
How We Choose the Best Window Installers in Gilford
In our search to find the most reliable, eco-friendly window installers in Gilford, EcoWatch assessed many companies before landing on these. Along with energy efficiency, we evaluated window companies all across the state and ranked them based on the following methodology:
Service Area
Because this is a guide for Gilford, we paid more attention to companies that serve the city. There are certainly other reputable providers that didn't make the list because of the low odds that they would serve the average homeowner in Gilford.
Work Quality
When it comes to new windows, the quality and variety of services can often play just as important of a role in overall efficiency and performance as the brand of window you get. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
We analyzed trends in recent online reviews to find the companies with the most customer satisfaction. Customer satisfaction might be the most important factor, as it reflects the quality of services across most other categories, including quality of parts, quality of installation, professionalism, cost, warranty and more.
Cost
Cheaper windows certainly don't mean better windows, but we know many of our readers try to keep costs low when possible. When analyzing the prices of providers, we gave higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
Protecting your investment in new windows is important. For that reason, window installation companies that offer lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have a proven track record in the industry. Window installation companies that have more years of experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.
Gilford, NH Window Replacement FAQs
What is the typical cost to replace windows in a home?
The national average cost to replace a window is about $600 but can range between $200 and $1,200, depending on a few different factors. The price is often influenced by the type and material of the window, the location of your property and the size of the window. Also, remember that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.
What are the kinds of windows?
The most common kinds of windows for homes include: picture windows, slider windows, casement windows, transom windows, awning windows, double-hung and single-hung windows and bay windows.
Can you install your own windows?
If you're handy and have experience with similar home improvement projects, it's possible to install your own windows. But if you don't have the time or know-how, we recommend getting a professional to do it for you.
When is the best time of year to replace windows?
Replacement windows can be installed during any season, but autumn might be best. Regardless of when you install them, the contractors will take steps to ensure that too much hot or cold air doesn't get into your house, so the temperature outside isn't necessarily a big factor. What's most important is that the weather should be dry.
Should I replace all my windows at once?
If your windows are more than 20 years old, you most likely need to replace all of them. At that point, they are often less efficient, leakier and/or more damaged than new windows. Replacing your windows all at once will involve less paperwork and less time.