Champion is the leading manufacturer and installer of energy efficient, maintenance free, custom replacement windows, patio rooms, entry doors and vinyl siding. We add beauty & value to your home. -- Champion, windows, siding, home windows, vinyl siding, patio enclosures, replacement windows, bay windows, entry doors -- Pittsburgh windows, siding, home windows, vinyl siding, replacement windows, sliding doors, french doors, patio enclosures, vinyl windows, entry doors