The Dave Lennox Signature™ Collection Elite® CVF catalytic vent-free fireplace reflects the ultimate in innovation and efficiency. Ideal for contemporary living spaces, high rises, lofts or any space where venting cannot be installed, the slim and modern design makes installation as easy as hanging a picture on a wall. They're less than eight inches deep! And because this fireplace approaches a 100% fuel efficiency rate, nearly all the heat produced is distributed directly into the living space. Plus, patented (US Patent 5,678,534) catalytic technology cleans hot air as it leaves the combustion chamber. This sleek offering creates a unique fire presentation that is sure to amaze and mesmerize.