The RSI Company manufactures and services the Typhoon A/C VPAC line, the Nesbitt Multizone and single zone lines, the Correct-Air line, the Rollin Kool line and OEM parts.

			http://www.rsicomp.com/nesbitt.htm Multizone and single zone rooftop units and Vertical Unit Ventilators
			http://www.nesbittaire.com Manufacturers of quality HVAC brand equipment.
			Typhoon Vertical Packaged Water and Air Cooled Air Conditioning Units Vertical packaged water and air cooled A/C units for the commercial and industrial market.
			http://www.correct-air.com Custom built severe duty air-conditioning, heating, air filtration, ventilation, & spot cooling.
			http://www.rsicomp.com/rollinkool Rollin Kool Portable Cooling Systems
	Parts Division		http://www.rsicomp.com/parts.htm Replacement parts for RSI proprietary equipment including Airtemp, Chrysler Airtemp, Climatrol, Climatrol Industries, Fedders, Fresh Air Solutions, Lodestone, Mueller Climatrol, Nesbitt Multizone Rooftop, Typhoon, Correct-Air and Worthington.
			3-7 ton Vertical Unit Ventilator, designed to replace the original EDPAC SE units with zero down time. Quick installation and serviceability, with autonomous classroom control, make this unit very attractive in today's education facilities.