This company has introduced its line of 13-SEER central air-conditioning products. The complete line includes split air-conditioning systems from 1.5 tons to 4 tons. All units meet the 2006 federal energy-efficiency requirements. The air conditioners are ideal for slab or rooftop mounting in single or multifamily homes and light-commercial applications. Other features of the unit include a factory-installed liquid-line filter dryer, brass suction and discharge service valve with sweat connections and copper-tube aluminum fin-coil construction.

Fedders Corp., Westgate Corporate Center, 505 Martinsville Road, P.O. Box 813, Liberty Corner, NJ 07938; (908) 604-8686; (908) 604-0715; www.fedders.com.