Since its inception, On Star Windows & Doors has become a spearhead in the industry for window replacement in Newmarket. With our range of versatile and customizable designs that embody both high-quality and style, we can furnish you with the guarantee that you will find a window replacement unit that you love. With On Star Windows & Doors, you will be settling down with nothing but the best for your window replacement in Newmarket.
Our specialization lies in superior-quality and energy efficient vinyl windows that are the best available in the Newmarket area. Our replacement windows are warrantied against every sort of manufacturing defects so that you can be assured of the best performance without having to undertake any initiatives for frequent and unnecessary repairs.