Comfort-Aire’s HB Series of commercial water-source heat pumps are said to be ideally suited to boiler/cooling tower installations, with compact cabinet sizes that adapt to replacement and new construction applications. Vertical and horizontal package models are available in 1/2 to 5 ton capacities in a variety of voltages. Features include a performance monitoring system to safeguard the unit and high energy efficiency.

Heat Controller Inc., 1900 Wellworth Ave., Jackson, MI 49203; 517-787-2100; 517-787-9341 (fax);