Champion Windows of Loveland... 7500 feet of showroom to provide Replacement Vinyl Windows , Patio Rooms and Enclosures , Vinyl and Steel Siding , Entry Doors and Retractable Awnings. "We build it...We install it...We stand behind it". For 54 years Champion Windows has served Fort Collins, Loveland, Greeley, Windsor, Longmont, Lafayette, Louisville, Boulder, Colorado and Cheyenne Wyoming