Windows and Doors in the Greater Toronto Replacement, Installation, 100% customer satisfaction! One-Stop-Shop Winmax Corporation provides design, manufacturing and installation of high quality windows and doors in the Greater Toronto Area. With more than 30 years of industry experience, our selection of aluminum and vinyl windows provide customers with complete functionality and beauty that is always enjoyable. Our windows and doors are highly energy efficient and durable too. From modern sleek design to traditional and classical splendour, Winmax Corporation offers products that suit your space, style and budget. All our work includes complete 100% customer satisfaction. Each product is tested using the latest technology and our skilled installers are insured and trusted with the ability install windows and doors around your property within 1-day. Preview our portfolio and read our HomeStars reviews to see what our customers say about our products and installation services.