27 Best Window Replacement Companies in Flemington, NJ (2023 Reviews)
Window Companies Near Me
Are you thinking about replacing your windows? Our list of the best window installation companies can help you pick the right one for you.
We analyzed all the top window installers in Flemington and selected the top 27 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
A review of the top window replacement companies in Flemington may not seem like the most interesting article on EcoWatch, but trust us, windows have a more direct impact on your life than you might realize. If your windows are outdated or drafty, you could be sending 25-30% of your house's heat or cool air right out of them.
Replacement windows improve your home's insulation, not only making you more comfortable during the summer and winter, but also saving you money and helping the environment.
Unlike other review sites, EcoWatch ranks window replacement companies based on energy efficiency while also taking into consideration cost, customer satisfaction and service area.
Best Overall
Renewal by Andersen
- Member of US Green Building Council
- Manufactures products in-house
- Award-winning company
- More expensive than competition
Best Affordability
Window World
- Great industry reputation
- Lifetime warranty
- EnergyStar Partner
- Quality of service will depend on your area
Best Warranty
Universal Windows Direct
- Lifetime warranty
- Wide variety of products and services
- Manufactures products in-house
- Limited service area
Best Window Replacement Companies in Flemington
The EcoWatch Reviews team assessed dozens of providers that service the Flemington area to find the top window installation companies that fit our standards. The providers in this article passed our review standards for energy-efficient offerings as well as local expertise, customer service, price and beyond.

Renewal by Andersen
-
Member of US Green Building Council
-
Manufactures products in-house
-
Award-winning company
-
More expensive than competition
Renewal by Andersen provides the best availability in Flemington. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This window installation company has been in business since 1995 and currently services nearly every state except Mississippi and West Virginia.
Andersen may be the company for you if you're interested in 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 WindowsThere are a wide range of window types available from Renewal by Andersen, some of which are Energy Star products. A 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.
How much does Renewal by Andersen cost in Flemington?Though pricing is not readily available on Andersen's website, 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 know for sure is to request a free quote from the company.

Window World
-
Great industry reputation
-
Lifetime warranty
-
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. This company has 27 years of experience in the windows industry, and it has become one of the best companies in the business. The company has a lot of positive reviews from customers online.
It 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 WindowsWindow World offers some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to ask for Energy Star windows when inquiring. 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 Flemington?Even though prices are not readily available on Window World's website, it's known for offering some of the most affordable window installations around. The best way to get more accurate pricing information is to get a free quote from the company.

Universal Windows Direct
-
Lifetime warranty
-
Wide variety of products and services
-
Manufactures products in-house
-
Limited service 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 been in the window industry for about 20 years. Many positive reviews on customer review websites back the company's reputation.
You may want to consider opting for Universal if you're interested in a installer that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThe 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. Not all of Universal's windows are Energy Star certified, so be sure to mention that you're interested in Energy Star windows when inquiring.
How much does Universal Windows Direct cost in Flemington?Prices aren't listed 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. For more accurate information on pricing, you can get a quote from the company.

Aeroseal Windows
-
Many years of experience
-
Great industry reputation
-
Low number of customer complaints
-
Manufactures products in-house
-
Custom Designs
-
No lifetime warranty
-
Not ideal for residential installations
Aeroseal Windows has the best window installation for businesses in Flemington. Aeroseal has been in the window installation industry for around 23 years. Hundreds of positive reviews on customer review websites back the provider's reputation.
It installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you ask for high-quality Energy Star windows when inquiring. The 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.
How much does Aeroseal Windows cost in Flemington?Prices aren't available on Aeroseal's website, but it provides high-quality windows at a competitive price point. The best way to get more accurate information is to receive a free quote from the company.
We have tried to stay unbiased and transparent by describing pros and cons for every installer. Additionally, any partnerships do not influence our reviews.
More Window Replacement Companies in Flemington
Tom Adams Windows & Carpets
Doylestown, PA-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
New Jersey Siding & Windows, Inc.
Randolph, NJ-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Tom Adams Windows & Carpets
Churchville, PA-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Tom Adams Windows & Carpets
Southampton, PA-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Essex Replacement Doors-Windows
Scotch Plains, NJ-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Pella
Budd Lake, NJ-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Glass Diamond LLC
Edison, NJ-
Good Customer Service
-
Price Transparency
-
Timely Service
-
Free assessment
Services Offered
-
Glass Showers
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Tempered Glass
-
Double-Hung
-
Commercial Windows
Glass Castle
Neshanic Station, NJ-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Sliding Glass
-
Custom Window Designs
-
Full-Service Installations
-
Residential Windows
-
Commercial Windows
Markey Windows, Doors & More LLC.
Bridgewater, NJ-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Energy-Efficient Options
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Double-Hung
Premier Home Renovations
Hamilton Township, NJ-
Good Customer Service
-
Price Transparency
-
Award-Winning
-
Educational Website
Services Offered
-
Sliding Glass
-
Custom Window Designs
-
Full-Service Installations
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Pella Windows & Doors of Langhorne
Langhorne, PA-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Window Guardians
Langhorne, PA-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Double-Hung
Mr. Handyman of Princeton and Robbinsville
Princeton, NJ-
Good Customer Service
-
Award-Winning
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Glass Castle
Lawrence Township, NJ-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Sliding Glass
-
Custom Window Designs
-
Full-Service Installations
-
Residential Windows
-
Commercial Windows
Mr. Handyman of Easton, Bethlehem, Nazareth & Allentown
Easton, PA-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Custom Window Designs
-
Residential Windows
-
Commercial Windows
-
Double-Hung
Home Services at The Home Depot
Phillipsburg, NJ-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Bay Windows
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
-
Double-Hung
Cooks Glass & Mirror
Hamilton Township, NJ-
Good Customer Service
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Sliding Glass
-
Custom Window Designs
-
Stained Glass
-
Residential Windows
-
Tempered Glass
-
Double-Hung
-
Commercial Windows
Window World Garden State West
Flemington, NJ-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Double-Hung
Image Glass
Hillsborough Township, NJ-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Tempered Glass
-
Double-Hung
-
Commercial Windows
Quality Glass & Mirror Corporation
New Brunswick, NJ-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Commercial Windows
-
Double-Hung
Mr. Handyman of Blue Bell and Doylestown
Montgomeryville, PA-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Glass Showers
-
Custom Window Designs
-
Residential Windows
-
Commercial Windows
-
Double-Hung
Window World of Jersey Coast
Edison, NJ-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Bay Windows
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Double-Hung
Home Genius Exteriors
Somerset, NJ-
Good Customer Service
-
Free assessment
-
Educational Website
-
Price Transparency
-
Timely Service
Services Offered
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
Norman's Glass & Auto Services
Trenton, NJ-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Commercial Windows
-
Double-Hung
Acre Windows & Doors
Metuchen, NJ-
Good Customer Service
-
Award-Winning
-
Free assessment
-
Educational Website
-
Price Transparency
Services Offered
-
Energy-Efficient Options
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Double-Hung
Karl's Glass LLC
Phillipsburg, NJ-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Sliding Glass
-
Custom Window Designs
-
Full-Service Installations
-
Residential Windows
-
Tempered Glass
-
Commercial Windows
BOON GLASS
Warren, NJ-
Good Customer Service
-
Educational Website
-
Price Transparency
-
Free assessment
Services Offered
-
Glass Showers
-
Sliding Glass
-
Custom Window Designs
-
Residential Windows
-
Aluminum Window Frames
-
Fast Delivery
-
Commercial Windows
How Installing Energy-Efficient Windows in Flemington Saves You Money
Energy-efficient windows can benefit you in more than one way. Here are some reasons you may want to consider making the switch:
- Decrease your carbon footprint: Decreasing the amount of energy you use also lowers your carbon emissions. You could reduce it by about 206 pounds.
- Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.
- Protect your investment: If your home is on the older side, your windows are most likely in need of replacement. Upgrading your windows can make your home more comfortable and also help raise the value of your house if you decide to sell.
- Save money on power bills: Because energy-efficient windows decrease how much energy you need to heat or cool your home, the switch can help you save about $300 annually on your energy bills in Flemington.
Estimated Cost of Window Replacement in Flemington
Windows come in varying shapes, styles and purposes, so costs and services will differ remarkably based on your project. Below, we go over the average cost and services that you can get from window installation companies.
How Much Do New Windows Cost?
The average cost to replace a single window is about $600 but can range anywhere from $200 to $1,200. These figures are based on the specifics of your installation, such as the location of your home, type, material, number of windows, size and more.
Bear in mind that energy-efficient windows may cost more, but Energy Star estimates the upgrade will save you between $101 and $583 a year when you install single-pane windows and between $27 and $197 a year when you install double-pane, clear glass windows. Your savings will vary based on your local climate, energy rates and individual home characteristics.
Asking for free quotes from several installers is the best way to figure out which one is right for you.
What Services do Window Installers Offer?
When it comes to window replacements, there are generally two types that your provider will offer: full-frame and pocket installations.
Full-frame installations involve replacing the total window, including the frame, sill and trim. You most likely need a full-frame installation when you want to change the style of your windows or your window has considerable damage. Full-frame installations are more involved and will increase overall costs. Pocket installations (or retrofits) entail installing a new window within the existing frame, which makes pocket installations less labor-intensive and costly. But, if the frame has any damage or rot, you will most likely need a full-frame installation instead.
If you're unsure which window installation service you should get, your installer can advise you. Typically, the decision depends on factors such as the age and condition of the home, the type of building material, budget and time restrictions.
Best Overall
Renewal by Andersen
- Member of US Green Building Council
- Manufactures products in-house
- Award-winning company
- More expensive than competition
Best Affordability
Window World
- Great industry reputation
- Lifetime warranty
- EnergyStar Partner
- Quality of service will depend on your area
Best Warranty
Universal Windows Direct
- Lifetime warranty
- Wide variety of products and services
- Manufactures products in-house
- Limited service area
How We Choose the Best Window Installers in Flemington
EcoWatch reviews differ from most reviews because we assess these companies through a sustainability lens. We've assessed the best window replacement companies in Flemington mostly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows have been shown to reduce your electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:
Service Area
This one is pretty self-explanatory, but we've chosen to highlight window installation companies that serve a wide variety of states and cities so you can find the best window installation company near you.
Work Quality
When choosing new windows, the quality and variety of services often plays just as important of a role in insulation and performance as the brand you get. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
We analyzed trends in recent customer feedback to determine the companies with the highest rates of customer satisfaction. Customer satisfaction might be the factor we place the most value on, as it indicates the quality of services across nearly every category, including warranty, professionalism, quality of installation, cost, quality of parts and more.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing the prices of providers, we awarded higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
As discussed previously, windows are a serious investment, so you'll want to be certain that investment is protected. Window installation companies that provide lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Due to Flemington's climate, homeowners need to be wary of rot, water damage and low efficiency. We factored in local experience to reflect the ability of Flemington window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.
Flemington, NJ Window Replacement FAQs
How much should a window install cost?
The national average cost of installing a single window is about $600 but can range from $200 to $1,200, depending on a variety of factors. The price is typically influenced by the size of the window, the location of your property and the type and material of the window. Also, keep in mind that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.
What kind of window is the best for energy efficiency?
A window's energy efficiency is affected by several factors, including the quality of the installation and what kind of window it is. Look for Energy Star Certified windows — these are usually the most energy-efficient and are certified by the U.S. Department of Energy.
When do I have to use a window installation company?
Unless you have home repair skills and have all the tools you need to replace your own windows, we recommend hiring a professional. 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 save some money by doing it yourself, hiring a professional is a faster, more efficient and safer option.
How long does it usually take to install windows?
Each window takes around 30 minutes to install based on the kind of window. However, the window installation can be a two-day job — or more — if you need to have a lot of windows installed.
Should I replace my windows all at once?
If your windows are greater than 20 years old, it's probably time to replace all of them. At that point, they are usually less efficient, draftier and/or more damaged than new windows. Replacing your windows all at the same time will involve less paperwork and less time.