The Last word in efficiency Xcelon's technology is engineered for innovation. With a combination of condensing boiler technology and advanced air distribution, Xcelon is the most efficient make-up air unit in the market. It maximizes energy utilization to provide efficiencies up to 98%, outperforming other rooftop MUAs with its unique and innovative hydro-air design. www.info.hotims.com/54425-24 www.xcelonhvac.com