Highland Window Company LLC

Marc Cowan, who started The Highland Window Company in 2002, has built his exterior renovation business on a solid foundation of the highest quality materials, excellent workmanship, and extremely competitive pricing. Highland’s window replacements, siding, and entry doors, installed with a full lifetime transferrable warranty (details available upon request) have been delighting customers for years. As a result, The Highland Window Company has established itself as one of the premier home improvement companies in Connecticut, with a long roster of satisfied clients.