Smith Cast Iron Boilers will feature its 28HE Series high-efficiency boiler, said to offer the highest combustion and thermal efficiencies possible with forced draft firing. Thermal and combustion efficiencies are up to 86 percent for oil and 83 percent for gas. The boilers are available in 15 basic sizes, with gross output ratings from 931 to 4,622 MBH and can be used in either water or steam systems.

Smith Cast Iron Boilers, 260 North Elm Street, Westfield, MA 01085; 413-562-9631; www.smithboiler.com

Publication date: 12/19/2005