Tri-State Window Factory Corp. is a well-known manufacturer and installer of windows, siding, and sliding and entry doors in Deer Park, NY. With nearly 50 years of experience, the company has the skills and equipment to install and repair a variety of products, including vinyl windows, french patio and sliding doors, gutters, and roofing systems. Customers often praise the company for its excellent installation, friendly and considerate crew, and the noticeable reduction in dust and temperature inside their homes. Many reviews highlight the top-quality windows, with some customers mentioning that their windows, installed 20 years ago, still work perfectly today, even after a problem with one. The company is known for honoring warranties without extra charges and providing honest, helpful service. Their prices are competitive, and they offer custom products, earning a strong reputation for value and quality in the area. Customers also appreciate the company's honesty, fair pricing, and the professional work done at a great price, making Tri-State Window Factory a trusted choice for window and door needs.
Best quality windows doors and siding with excellent professional customer service! Most affordable energy efficient windows to keep my house warm all winter!
August 2025
10 years of looking for quality and pricing. I found bothit Tri-State.
October 2024
Amazing company. I used them twice and both times very happy!!! They last time they installed 7 newwindows within 3.5 hours. Happy with the job! David, the sales person was very helpful and professional too! Thanks guys!
