According to the company, the Effinity93unit heater is the most efficient gas-fired, condensing unit heater in North America, delivering 93 percent efficiency. The new line comes in six sizes - from 135,000 to 310,000 Btuh - and features Modine’s Conservicore™ technology, a stainless steel secondary heat exchanger specifically designed to withstand the acidic condensate that is a byproduct of the combustion process.

Modine Manufacturing Co., Commercial Products Group, 1500 DeKoven Ave., Racine, WI 53403-2552; 800-828-4328; 262-636-1665 (fax); chvac&;