20 Best Window Companies in Windsor Locks, CT (2025 Reviews)
Are you looking to upgrade your windows? Our guide to the top window installation companies can help you choose the right one for you.
We analyzed all the top-rated window companies in Windsor Locks and selected the best 20 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
Although clean energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house’s energy efficiency can also have a big impact on home energy conservation. If you have outdated, drafty windows, your AC or heating system could be working overtime to heat or cool your house. This means spending more on power bills.
Replacement windows improve your home’s insulation, not only making you and your family more comfortable during the summer and winter, but also saving you some money and helping the environment.
So if you’re building a new home, renovating or changing out old windows in Windsor Locks, this guide is the best place to get started.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Window Installation & Replacement Companies in Windsor Locks
The EcoWatch team assessed dozens of window installation companies across Windsor Locks to narrow our list down to the best ones. The companies in this article passed our review standards for energy-efficient offerings as well as customer service, local expertise, price and beyond.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World provides windows expertise in Windsor Locks. Window World has been in the window industry for around 27 years. Its reputation is backed by all the 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 WindowsWindow World is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to ask your Window World representative when inquiring about services.
How much does Window World cost in Windsor Locks?Prices are not available on Window World’s website, as the cost of window replacement varies greatly based on how many and what type(s) of windows you need. However, it's known for offering some of the most affordable window installations around. For more accurate information on the cost, you can inquire about a quote from the company.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
More expensive than competition
Renewal by Andersen provides the best availability in Windsor Locks. Andersen has been in the window industry for around 27 years. Its reputation is backed by all the 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 WindowsRenewal by Andersen is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to ask your Andersen representative when inquiring about services.
How much does Renewal by Andersen cost in Windsor Locks?Prices are not available on Andersen’s website, as the cost of window replacement varies greatly based 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. For more accurate information on the cost, you can inquire about 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 provides the best window installation for businesses in Windsor Locks. Aeroseal has been in the window industry for around 23 years. Its reputation is backed by all the positive reviews on customer review websites.
It has established itself as a company that installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to ask your Aeroseal representative when inquiring about services.
How much does Aeroseal Windows cost in Windsor Locks?Prices are not available on Aeroseal’s website, as the cost of window replacement varies greatly based on how many and what type(s) of windows you need. However, it provides high-quality windows at a competitive price point. For more accurate information on the cost, you can inquire about a quote from the company.

Window Nation
Award-winning company
Manufactures products in-house
Custom designs
Wide variety of products and services
Installation not covered by warranty
Limited service area
Window Nation provides the best residential windows in Windsor Locks. Window Nation has been in the window industry for around 16 years. Its reputation is backed by all the positive reviews on customer review websites.
It has established itself as a company that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsWindow Nation is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to ask your Window Nation representative when inquiring about services.
How much does Window Nation cost in Windsor Locks?Prices are not available on Window Nation’s website, as the cost of window replacement varies greatly based on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. For more accurate information on the cost, you can inquire about a quote from the company.
We’ve recommended providers with good reputations, but note that some national companies have independently owned locations in Windsor Locks, so your service may depend on your local crew. We have tried to stay unbiased and transparent by listing pros and cons for each company reviewed.
More Window Companies in Windsor Locks
Renewal by Andersen Window Replacement
Middletown, CTPrice Transparency
Free assessment
Good Customer Service
Services Offered
Window Replacement/Installation
Vinyl Frames
Energy-Efficient Options
Double-Hung
Custom Window Designs
Glass Doors
Bay Windows
Power Home Remodeling
Trumbull, CTPrice Transparency
Timely Service
Free assessment
Good Customer Service
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Window Nation
Wallingford, CTFree assessment
Price Transparency
Educational Website
Services Offered
Glass Doors
Custom Window Designs
Bay Windows
Energy-Efficient Options
Double-Hung
Window Replacement/Installation
DaBella
Westborough, MATransferable warranties
Timely Service
Good Customer Service
Alside® vinyl windows
family_owned
Services Offered
Glass Doors
Window Replacement/Installation
Vinyl Frames
Double-Hung
Big Dawg Home Improvements
South Windsor, CTFree assessment
Timely Service
Price Transparency
Good Customer Service
Services Offered
Window Replacement/Installation
Window Repair
Skylights
Energy-Efficient Options
Budget Blinds of Enfield and Hartford
Somers, CTEducational Website
Good Customer Service
Free assessment
Price Transparency
Services Offered
Custom Window Designs
Window Replacement/Installation
ZN Construction
Canton, CTTimely Service
Free assessment
Price Transparency
Good Customer Service
Educational Website
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Paramount Gallery
West Hartford, CTEducational Website
Good Customer Service
Free assessment
Price Transparency
Services Offered
Energy-Efficient Options
Window Replacement/Installation
Custom Window Designs
Glass Doors
Kubala Home Improvement
Ludlow, MAPrice Transparency
Educational Website
Free assessment
Services Offered
Glass Doors
Window Replacement/Installation
Closet & Storage Systems
Auburn, MAGood Customer Service
Educational Website
Free assessment
Price Transparency
Services Offered
Glass Showers
Window Replacement/Installation
Mirrors
Bert Falsetti's Home Improvement LLC
Shelton, CTServices Offered
Window Replacement/Installation
Double-Hung
Energy-Efficient Options
Vinyl Frames
Calvary Remodeling
Mystic, CTFree assessment
Educational Website
Good Customer Service
Price Transparency
Services Offered
Window Replacement/Installation
H & J Homes Solutions LLC
Shrewsbury, MAGood Customer Service
Free assessment
Educational Website
Price Transparency
Services Offered
Window Replacement/Installation
Window Depot USA of Southern CT
Trumbull, CTTimely Service
Free assessment
Good Customer Service
Price Transparency
Educational Website
Services Offered
Double-Hung
Vinyl Frames
Glass Doors
Triple Pane Glass
Bay Windows
Energy-Efficient Options
Window Replacement/Installation
Nu-Face Home Improvements
Berlin, CTFree assessment
Educational Website
Timely Service
Price Transparency
Good Customer Service
Services Offered
Glass Doors
Glass Showers
Energy-Efficient Options
Window Replacement/Installation
Double-Hung
Advanced Window Systems LLC
Cromwell, CTEducational Website
Price Transparency
Free assessment
Good Customer Service
Services Offered
Glass Doors
Double-Hung
Glass Showers
Bay Windows
Window Replacement/Installation
Bencar Building Systems LLC
Wallingford, CTGood Customer Service
Services Offered
Window Replacement/Installation
CARRIER ROOFING SIDING & WINDOWS
Webster, MAPrice Transparency
Educational Website
Good Customer Service
Services Offered
Window Replacement/Installation
Dresser Hull Lumber & Building Supply Company
Lee, MAPrice Transparency
Educational Website
Free assessment
Good Customer Service
Services Offered
Window Replacement/Installation
Tri-State Construction Co
Worcester, MAPrice Transparency
Educational Website
Free assessment
Good Customer Service
Services Offered
Window Replacement/Installation
Vinyl Frames
Energy-Efficient Options
Calculate how much you can expect to pay for window installation and replacement in Windsor Locks, CT 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 Windsor Locks Saves You Money
When you switch to energy-efficient windows, you may see some perks, such as:
- Protect your investment: The older your home is, the more likely it is that switching to energy-efficient windows will benefit you. Older homes tend to have windows that are outdated, leaky or maybe even damaged in some way. Updating your windows could help increase the value of your property if you decide to sell.
- Reduce your carbon footprint: Reducing the amount of energy you use also lowers your carbon emissions. You could reduce it by about 147 pounds.
- Save money on electricity bills: The Department of Energy estimates that heat gained or lost via windows makes up about 25-30% of household energy use. Switching to energy-efficient windows can help decrease that amount, which helps you save more on your bills.
- Protect your valuables from fading: When you upgrade to energy-efficient windows with low-emissivity coatings, your floors, carpets and furniture will be protected from fading due to their ability to filter out damaging UV rays.
Estimated Cost of Window Replacement in Windsor Locks
Windows come in varying shapes and sizes, so costs and services will vary considerably. Here are the average costs and the primary services that you can find from the average window installation company.
How Much Do New Windows Cost?
Typically, homeowners in Windsor Locks can anticipate that most replacement window installations will range from $250 to $1,200, with the most common installations sitting at around $600. But costs differ remarkably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also provide door installations, which will add extra costs to your project.
Whether or not you choose energy-efficient windows is another factor that will affect the cost. These will typically cost more than other windows, but on the other hand, you can save about $446 a year on your energy bills in Windsor Locks.
Something else that influences the overall cost is the material you choose for your frame. Aluminum frames are generally the least expensive and are sturdy and light, but they offer poor insulation. On the other hand, wood frames cost the most because they are aesthetically pleasing and offer decent insulation. Fiberglass and vinyl frames provide good insulation and cost somewhere between the other two.
What Services do Window Installers Offer?
There are generally two types of window installation services: full-frame and pocket installations.
A full-frame installation replaces the entire window, such as the sill, frame, trim and the window panes. Because this type of installation is more involved, it will cost more than a pocket installation. Pocket installations (also known as retrofits) are when you replace a window without replacing the frame. Pocket installations are on the simpler end and won’t cost as much, but you can’t do this kind of installment if you have any pre-existing rot or water damage.
Your window installer should be able to help you figure out which type of installation you need.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
How We Choose the Best Window Installers in Windsor Locks
In our hunt to find the most reliable, eco-friendly window installers in Windsor Locks, the EcoWatch team evaluated dozens of companies before landing on these. Along with energy efficiency, we reviewed several window installers in Windsor Locks and assigned rankings based on the following methodology:
Service Area
Since this is a guide for Windsor Locks, we paid more attention to companies that provide services to the city. There are other reputable providers that didn’t make the cut because they wouldn’t be able to serve homeowners in Windsor Locks.
Work Quality
We’re willing to bet that you’re not looking for a company to do a shoddy job installing windows. We’ve vetted each company on this list to ensure its technicians are well-qualified and that the company has received lots of positive customer feedback to vouch for its service.
Customer Reviews
Another self-explanatory yet super important review factor is customer feedback. If the majority of customers don’t have nice feedback about their experience with a certain window installation company, you won’t see it featured on EcoWatch.
Cost
Cheaper windows certainly don’t mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing providers’ prices, we gave higher scores to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
As discussed, windows are a sizable investment, so you’ll want to make sure that investment is well protected. Window installation companies with lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have a good track record in the industry. Window installation companies that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.
Windsor Locks, CT Window Replacement FAQs
What is the average cost to install new windows?
The average cost to replace a window can range between $450 and $650. There are several factors that affect how much it costs, which include the number of windows, your property’s location, local labor costs, styles and sizes of windows, how energy-efficient the windows are and the materials used in designing the windows.
What are the most common types of replacement windows?
There are various types of windows you can get for your house, including transom windows, casement windows, picture windows, slider windows, double-hung and single-hung windows, awning windows and bay windows.
Can I replace my own windows?
Although you can install your own windows, doing so requires a lot of time and handiness. Using a window replacement company can help guarantee that the installation is done properly and that you can avoid spending the time and effort of doing it yourself.
How often should you replace windows?
Windows have an average lifespan of about 20 to 30 years. If your windows are older than that, they probably need to be replaced. Apart from that, if your windows have any damage on them, or they have become difficult to operate, they may need to be replaced.
How long does it typically take to install windows?
Because the average installation time is 30 minutes per window, about 16 windows can be installed during a typical 8-hour work day.