Business Details
31 Years
experience
Your Trusted Partner for Home Exterior Remodeling in Connecticut
Window World of Connecticut has been a trusted leader in exterior home remodeling since 1995. Founded on the principles of quality, professionalism, and affordability, we specialize in replacement windows, doors, siding, and gutters designed to enhance energy efficiency and curb appeal. Our locally owned and operated business, led by Anton Du Plessis, serves homeowners across Connecticut with precision craftsmanship and a commitment to customer satisfaction. Our team of experts combines decades of industry experience with innovative products to deliver solutions tailored to each clients unique needs. We prioritize energy-efficient technologies, durable materials, and seamless installation processes to ensure long-term value for every project.As a community-focused company, we emphasize transparency, competitive pricing, and exceptional service, backed by a Lifetime Limited Warranty on select products. Our dedication to excellence has earned us recognition as Connecticuts most trusted home remodeler, with a proven track record of transforming homes and improving property value. By maintaining partnerships with leading manufacturers, we offer cutting-edge designs and customizable options that align with modern aesthetic and functional standards. Our streamlined processfrom free in-home estimates to post-installation supportensures a stress-free experience for homeowners seeking reliable, high-quality upgrades.
Services
Windows
Doors
Siding
Gutters
Energy Efficiency
Details
- Year established: 1995
Highlights and features
- Locally owned and operated by Anton Du Plessis since 1995.
- Serving all of Connecticut with free in-home and virtual estimates.
- Lifetime Limited Warranty on select replacement windows and doors.
- Energy-efficient solutions that reduce utility bills and improve comfort.
- Professional installation team with a focus on precision and cleanliness.
What people say
Professional installation
Prompt service
Energy savings
Beautiful results
Lifetime warranty
Services
Windows
Our replacement windows enhance energy efficiency and curb appeal with durable vinyl frames and advanced glass technologies. Customizable options include double-hung, sliding, and casement styles to suit any home design. Each installation is performed by certified technicians to ensure optimal performance and longevity.
Doors
We offer engineered entry and patio doors that combine security, insulation, and aesthetic appeal. Options include steel, fiberglass, and custom vinyl designs with reinforced locking systems. Professional installation ensures seamless integration with existing home structures and energy efficiency.
Siding
Our vinyl siding solutions provide weather resistance and low maintenance with a range of colors and textures. Products like the 10006000 Series Siding are designed for durability and energy efficiency. Expert installation maximizes insulation and protects against Connecticuts climate.
Gutters
High-quality seamless gutters prevent leaks and reduce maintenance with aluminum or steel construction. Optional Leaf Solution guards block debris while allowing water flow. Custom-fitted systems ensure proper drainage and protection for Connecticut homes.
Energy Efficiency
We specialize in energy-efficient windows, doors, and siding that lower utility bills and improve indoor comfort. Products feature low-E glass, insulated cores, and weatherstripping to meet Energy Star standards. Free savings calculators help homeowners estimate annual benefits.
People
Anton Du Plessis
Owner
Anton Du Plessis founded Window World of Connecticut in 1995, bringing over 25 years of exterior remodeling expertise. He oversees daily operations and ensures adherence to quality standards.
Questions
What areas do you serve?
We serve all of Connecticut, including Hartford, Litchfield, Middlesex, New Haven, New London, and Tolland counties.
Do you offer free estimates?
Yes, we provide complimentary in-home or virtual estimates for windows, doors, siding, and gutters across Connecticut.
Are financing options available?
Yes, we offer flexible financing plans to help homeowners afford energy-efficient upgrades with approved credit.
What warranties do you provide?
Our windows and doors include a Lifetime Limited Warranty, and gutters come with a 20-year warranty on materials and workmanship.
Can I customize my products?
Yes, we offer customizable options for windows, doors, siding, and gutters, including colors, styles, and energy-efficient features.
How long does installation take?
Most window and door installations are completed in one day, while siding or gutter projects typically take 1–2 days depending on scope.
Reviews (3)
Patricia Burke
Nov 11, 2017
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I got up this morning and thanked (not out loud) you guys for my windows. I had half of the house done (6 windows) about 8 years ago, and the other half about 4 years ago. Money is tight but I HAVE TO TELL YOU the money I spent on these windows is the best money I ever spent on my house. My furnace is iffy, and I never wake up to less than 60 degrees in the house. (We have a backup wood stove.) All I can really say is thank you guys so much for keeping us warm and safe.
Julie A. Gibson
Jun 08, 2017
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We had a kitchen window that was literally rotting off of the house. Anton personally came and installed our new window, and we could not be more pleased! I'm still taken aback every morning when I walk into the kitchen and see the beautiful new window and how much glorious light it let's in! Thank you, Anton!
Kylie Joan
Feb 22, 2017
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Great job having our windows and new doors put in. Professional and great to work with from sales to installing it was a great experience. Even though we had a minor issue with one door everything was quickly handled by AJ, Dylan, and our installer, and was never a headache. Thanks for making my house look great.
