What can I say about tri State windows? Totally professional company inside and out. I was extremely pleased with the installation technician Roger. He was prompt, incredibly Swift, professional, courteous, hard-working, and respectful. He only took about 5 1/2 hours by himself to install eight windows, which quite impressed me. I am thrilled with the products themselves, and the service. I would highly recommend this company to anyone looking for new windows for their home. Joel Call Service: Window installation