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Trusted Door & Window Installation Experts in Long Island
Factory Doors and Windows has dedicated over four decades to mastering the art of window and door installation and replacement. As a family-owned and operated business, we specialize exclusively in delivering precision-crafted solutions tailored to enhance home aesthetics, security, and energy efficiency. Our innovative mobile workshop ensures clean, efficient installations year-round, while our lifetime labor warranty underscores our commitment to unmatched quality and customer satisfaction. With a focus on Long Island communities, we combine technical expertise with personalized service to address unique architectural challenges, from historic homes to modern constructions.

Our team treats every project with meticulous attention to detail, ensuring seamless integration of products like entry doors, patio doors, storm doors, and energy-efficient windows. Backed by hundreds of five-star reviews, we pride ourselves on transparent communication, competitive pricing, and a dedication to exceeding client expectations through every phase of service delivery.
Services
Entry Doors Patio Doors Storm Doors Window Replacement Custom Solutions
Highlights and features
  • 40+ years of specialized expertise in door and window solutions
  • On-site mobile workshop ensures clean, weather-independent installations
  • Lifetime labor warranty exceeding industry standards
  • Serving Suffolk and Nassau County communities with local knowledge
  • 5-star rated service with hundreds of verified customer reviews
What people say
Impeccable craftsmanship Lifetime labor warranty Completed in 3 days Energy costs reduced Spotless cleanup
Services
Entry Doors
Custom entry door installations enhance home security and curb appeal while improving energy efficiency. Our specialists measure and install doors with sidelites, ensuring perfect fit and operation for Long Island's climate. Clients benefit from lifetime labor warranty and seamless integration with existing architecture.
Patio Doors
Energy-efficient patio doors combine smooth operation with enhanced insulation for year-round comfort. Our installations feature durable materials that withstand coastal weather while maximizing natural light. The process includes precise measurements and cleanup, typically completed within one day for most standard configurations.
Storm Doors
Storm door installations protect homes against Long Island's variable weather while maintaining aesthetic appeal. Our solutions include impact-resistant options that reduce energy costs without compromising ventilation. Technicians use specialized tools from our mobile workshop to ensure perfect alignment and weatherstripping.
Window Replacement
Full window replacement services address drafts and inefficiency in homes dating back to the 1920s. Our energy-efficient vinyl windows reduce heating costs by up to 30% while maintaining historical accuracy through custom trim matching. Installations typically complete 10-15 windows in three days with minimal disruption.
Custom Solutions
Tailored door and window solutions for unique architectural challenges, including Victorian homes and historic buildings. Our team handles complex installations requiring non-standard measurements, custom moldings, and cedar trim matching. Projects maintain structural integrity while modernizing energy performance.
People
Willie
Owner
With over 40 years in the industry, Willie leads client consultations and product selection. He oversees quality control and warranty compliance, ensuring every installation meets lifetime labor warranty standards. His expertise in door design and energy efficiency has earned 5-star ratings across multiple review platforms.
Joe
Lead Installer
Master craftsman Joe specializes in precision installations for historic and modern homes. His attention to detail in moldings and trim work has been praised in over 50 customer reviews. He completes complex projects like Victorian window replacements while maintaining original architectural integrity.
Questions
Do you offer lifetime warranties on installations?
Yes, all our installations include a lifetime labor warranty covering workmanship for as long as you own your home.
Can you handle historic home window replacements?
Our team specializes in replacing windows in homes over 100 years old while preserving original architectural details.
How long does a typical installation take?
Most window replacements complete 10-15 windows in 3 days, with single door installations typically finished in one day.
Do you serve both Nassau and Suffolk counties?
We provide services throughout Long Island including all areas of Nassau and Suffolk counties.
What makes your mobile workshop unique?
Our fully equipped mobile workshop allows year-round installations without weather delays and reduces multiple site visits.
Can you match existing window trim?
Our specialists create custom trim solutions to match existing architecture during window and door replacements.