The Vail 36 delivers the beauty of hand-painted ceramic fiber logs and natural flickering flames to dens, halls, and even bedrooms. Vail 36 Fireplaces are rated at 36,000 Btu heat to keep a family room cozy and warm. The basic Vail 36 operates with a built-in modulating hydraulic thermostat that automatically manages the flame to maintain your preset room temperature. Includes Black Frame, Hood, Louvers and Blower. Features Model # VFP36BP31LN. Fuel Type Natural Gas. Ignition Type Millivolt Control. Empire contour burner system. Fixed fire screen. Matte black metal interior. Black unitized louvers. Black hood. Rock wool. Vent free units do not require any venting products. Specifications Overall Dimensions 39 W x 17.37 D x 37.75 H . Rough Framing Dimensions 39.5 W x 17.87 D x 38.25 H . Viewing Area Dimensions 36 W x 24.87 H 680 sq. . BTU 36,000. Required Must Choose Log Set to Complete This Unit. Not Included, Sold Separately Ceramic Fiber Fireplace 5-piece Log Set LS30EF . Sassafras Refractory 30 inch 6-piece Log Set LS30RS . Brick Liner and Logs are shown in image, however not included in this product.