Business Details
31 Years
experience
Trusted Remodeling Experts for Windows, Doors & Siding in Connecticut
Founded in 1995, Window World of Connecticut has built a reputation for delivering superior home improvement solutions with a focus on quality and customer satisfaction. Our team of professional craftsmen specializes in the installation of energy-efficient replacement windows, doors, vinyl siding, and seamless gutters, ensuring every project meets the highest standards of durability and aesthetic appeal. Locally owned and operated by Anton Du Plessis, we serve homeowners across Connecticut with personalized service and a commitment to excellence. Our product lineup includes industry-leading brands like Therma-Tru Doors and Energy STAR-certified options designed to reduce energy costs while enhancing home value.Backed by a limited lifetime warranty and flexible financing options, we prioritize transparency, reliability, and long-term client relationships. With decades of combined experience, our team stays at the forefront of industry innovations to provide tailored solutions that address each homeowner's unique needs. Our dedication to customer-centric service is reflected in our 5-star reviews, which highlight prompt issue resolution, professional installations, and energy savings. As a trusted local partner, we emphasize clear communication, meticulous attention to detail, and a streamlined process from initial consultation to final installation.
Services
Windows
Doors
Vinyl Siding
Gutters
Energy Efficiency
Window Installation
Door Installation
Siding Replacement
Gutter Guards
Home Insulation
Details
- Year established: 1995
Highlights and features
- We offer 28 years of expertise in Connecticut home remodeling since 1995
- Our team uses patented installation methods for optimal energy efficiency
- We guarantee price-matched quotes with our Low Price Guarantee
- Our products feature Energy STAR-certified windows and Therma-Tru Doors
- We provide a best-in-class limited lifetime warranty on all installations
Associations and certifications
- Energy STAR
What people say
Professional installation
Energy savings
Excellent service
Durable products
Increased home comfort
Services
Replacement Windows
Our replacement windows feature double-hung, sliding, and casement styles with low-E glass and durable vinyl frames. Engineered for energy efficiency, they reduce utility bills while enhancing curb appeal. Professional installation ensures proper sealing and insulation for year-round comfort.
Exterior Doors
Energy-efficient fiberglass entry doors and patio doors with customizable colors and hardware options. Installation includes precise fitting to prevent air infiltration, improving home security and thermal performance while increasing property value.
Vinyl Siding
Durable 6000 Series vinyl siding with foam insulation improves energy efficiency and protects against harsh weather. Available in multiple colors and textures, it enhances exterior aesthetics while requiring minimal maintenance for long-term value.
Seamless Gutters
Custom-formed aluminum gutters with Leaf Solution guards prevent debris buildup. Seamless design reduces leaks while protecting foundations from water damage. Available in 14 colors to complement home exteriors with a 20-year warranty.
Energy Efficiency
Energy STAR-certified products including low-E glass windows, insulated siding, and weather-tight doors reduce HVAC usage. Our solutions meet federal efficiency standards, potentially qualifying homeowners for tax credits up to $500 for qualifying installations.
People
Anton Du Plessis
Owner
Anton Du Plessis owns and operates Window World of Connecticut, bringing over 25 years of home improvement expertise. He oversees all projects to ensure quality craftsmanship and customer satisfaction, prioritizing energy-efficient solutions that enhance home value.
Questions
How do I schedule a free estimate for window or door replacement?
Schedule via our website form or call (860) 643-4568. A representative will coordinate your in-home or virtual consultation at your convenience.
What warranty options are available for replacement windows?
All windows include a limited lifetime warranty with optional upgrades for double lifetime coverage, glass breakage, and installation protection.
Do you offer financing options for home improvement projects?
Yes, we provide flexible financing through the Window World Credit Card with approved credit, including special terms and promotional offers.
Are your installation services available year-round?
We install replacement windows and doors year-round, using methods that minimize temperature loss during the one-day installation process.
What energy-efficient options do you provide?
We offer Energy STAR-certified windows, Therma-Tru Doors, and Prodigy Vinyl Siding with foam insulation to reduce heating and cooling costs.
