Business Details
Your Trusted Source for Doors, Windows & Skylights in NY
Cosmo Window & Door has established itself as a premier supplier of doors, windows, and architectural products for residential and commercial construction. With over 100 combined years of industry expertise, our team delivers tailored solutions that blend functionality, durability, and aesthetic appeal. We specialize in curating high-quality products from top manufacturers, including energy-efficient windows, entry doors, skylights, and custom cabinetry. Our dedicated sales representatives provide on-site consultations to ensure clients select the optimal products for their projects.Serving Long Island, New York, New Jersey, and Connecticut, we combine personalized service with competitive pricing to meet diverse home improvement needs. Our showroom in Lindenhurst, NY, showcases an extensive inventory, allowing homeowners and contractors to explore options that enhance curb appeal, energy efficiency, and interior design. From modern renovations to large-scale construction, we prioritize timely delivery, expert guidance, and products that meet rigorous quality standards.
Services
Doors
Windows
Skylights
Cabinets
Egress Systems
Molding
Railing Systems
Shutters
Attic Stairs
Architectural Products
Highlights and features
- We have over 100 years of combined experience in residential and commercial millwork.
- Our team provides on-site consultations for tailored product selection.
- We offer energy-efficient windows and doors from top manufacturers.
- Our inventory includes customizable solutions for every budget and style.
- We serve Long Island, New York, New Jersey, and Connecticut with prompt delivery.
Services
Doors
Cosmo Window & Door offers interior and exterior doors in wood, steel, and fiberglass. Our doors enhance security, energy efficiency, and curb appeal while providing customization options for finishes and designs. Ideal for homeowners and contractors seeking durable, stylish solutions.
Windows
We supply energy-efficient windows in wood, vinyl, and aluminum. Options include double-hung, casement, and awning styles. Custom sizes and features ensure optimal ventilation, insulation, and aesthetic alignment with your home's architecture.
Skylights
Our skylights from Supreme & Velux bring natural light and ventilation to residential and commercial spaces. Available in manual, electric, or solar-powered models with blinds and glazing options for comfort and energy efficiency.
Cabinets
Cosmo partners with Wolf Home Products to provide custom kitchen and bathroom cabinets. These handcrafted units combine solid hardwood elements with modern manufacturing for durable, stylish storage tailored to your space.
Egress Systems
Bilco basement egress doors ensure code-compliant safety and easy access. Designed for durability and aesthetics, they allow natural light and ventilation while facilitating movement of large items into finished basement spaces.
Questions
What products does Cosmo Window & Door offer?
We provide doors, windows, skylights, cabinets, egress systems, and architectural products like moldings and railings for residential and commercial projects.
Do you serve both homeowners and contractors?
Yes, we cater to both, offering expert guidance, competitive pricing, and bulk order support for contractors and personalized solutions for homeowners.
Where is your showroom located?
Our showroom is at 99 W. Hoffman Ave, Lindenhurst, NY 11757, showcasing our full product range for in-person exploration.
What areas do you serve?
We serve Long Island, New York City, New Jersey, and Connecticut with product delivery and on-site sales consultations.
Can you help with custom window and door designs?
Yes, we offer standard and custom sizes with various finishes, hardware, and energy-efficient features to match your project's needs.
Do you provide installation services?
We supply products and partner with professionals for installation referrals, ensuring proper fitting and adherence to local building codes.
