Business Details
50+ Years
experience
Your Trusted Source for Doors, Windows & Skylights in Long Island
At Cosmo Window & Door, we bring over 100 combined years of expertise in doors, windows, and millwork to serve residential and commercial clients across Long Island, New York, New Jersey, and Connecticut. Our team of specialists offers a curated selection of products from top manufacturers, ensuring you find the perfect solutions for your project needs. Whether you require energy-efficient windows, durable exterior doors, or custom architectural products, we provide personalized guidance to help you make informed decisions. Our outside sales representatives are available for jobsite visits to assist with product selection, ensuring seamless integration with your construction or renovation plans. We pride ourselves on delivering expert advice, competitive pricing, and a commitment to quality that enhances both residential and commercial spaces.From initial consultation to final installation, our goal is to exceed expectations through tailored service and industry-leading products. With showrooms featuring brands like Wolf Home Products, Masonite, and Jeld-Wen, we combine tradition with innovation to meet modern design and functionality demands. Our dedication to customer satisfaction is reflected in every project, whether it involves a minor renovation or a large-scale development. By staying at the forefront of industry trends and technologies, we ensure our clients receive solutions that balance aesthetics, durability, and energy efficiency. Trust Cosmo Window & Door to transform your space with products that add value, security, and curb appeal to your property.
Services
Doors
Windows
Skylights
Cabinets
Architectural Products
Details
- Year established: 1923
Highlights and features
- We have over 100 years of combined experience in doors and windows.
- Our team provides personalized attention for every project.
- We offer products from top manufacturers like Wolf and Jeld-Wen.
- Our outside sales representatives assist with on-site product selection.
- We serve Long Island, New York, New Jersey, and Connecticut.
Services
Interior & Exterior Doors
Cosmo Window & Door offers a comprehensive range of interior and exterior doors crafted from wood, steel, fiberglass, and composite materials. Our selection includes pre-finished and customizable options to suit diverse design preferences and functional needs. Trusted by builders, architects, and homeowners, our doors enhance security, energy efficiency, and aesthetic appeal while adding long-term value to residential and commercial properties.
Energy Efficient Windows
We provide energy-efficient window solutions featuring double-hung, casement, awning, and sliding designs from leading manufacturers. Available in wood, vinyl, aluminum, and composite materials, our windows improve insulation, reduce utility costs, and complement architectural styles. Custom sizing and hardware options ensure seamless integration with new construction or replacement projects across residential and commercial spaces.
Skylights
Our skylight installations include fixed, vented, and solar-powered models from Supreme and Velux, designed to maximize natural light and ventilation. Available for pitched or flat roofs with manual or electric operation, these skylights enhance interior ambiance while maintaining energy efficiency. We also offer replacement hatches and a variety of blinds to match functional and decorative requirements.
Cabinets
Cosmo partners with Wolf Home Products to deliver premium kitchen and bathroom cabinets featuring classic and modern designs. Our handcrafted options combine solid hardwood elements with contemporary manufacturing techniques, offering durability and style. Customizable finishes, storage configurations, and trendy color choices allow homeowners to create tailored solutions that balance aesthetics with practical functionality.
Architectural Products
We supply specialty architectural products including moldings, railings, columns, and attic stairs to elevate interior and exterior spaces. These components enhance structural character while maintaining durability and design cohesion. Our offerings cater to both traditional and contemporary projects, providing versatile solutions for residential renovations and commercial developments.
Questions
What types of doors does Cosmo Window & Door offer?
We offer interior and exterior doors in wood, steel, fiberglass, and composite materials, including pre-finished and customizable options for residential and commercial applications.
Do you provide energy-efficient window solutions?
Yes, we offer double-hung, casement, awning, and sliding windows in wood, vinyl, aluminum, and composite materials designed to improve insulation and reduce energy costs.
What areas does Cosmo Window & Door serve?
We serve Long Island, New York City, New Jersey, and Connecticut for residential and commercial door, window, and skylight projects.
Can I get custom-sized skylights?
Yes, we offer standard and custom-sized skylights with manual, electric, or solar operation options for pitched or flat roofs.
Do you carry cabinet products?
Yes, we offer Wolf Home Products' Classic series cabinets for kitchens and bathrooms, featuring customizable styles, finishes, and storage solutions.
Is professional installation assistance available?
Our outside sales representatives provide on-site consultations to help select and install doors, windows, and skylights tailored to your project requirements.
