Protruding only 4.5 Inch from the wall the Quadra ethanol fireplace can easily be hung on any wall in your home. The seven inch stainless steel frame together with the black powder coated inset it really lets the 1.5 liter burner shine. Dimensions: 30.75" x 21.25" x 4.5". Features: Ventless - no chimney, no gas or electric lines required. Easy or no maintenance required. Easy Installation - Can be mounted directly on the wall or recessed (mounting brackets included). Capacity: 1.5 Liter. Approximate burn time - 5 hour per refill. Approximate BTU output - 6000.