Several small “Convertible” horizontal air conditioning units can be used in buildings in place of a single air conditioning system to cool an entire building. Available in capacities from 5 through 15 tons, the system is convertible in that the evaporator and condenser can be installed as one piece as a packaged system or separated up to 150 ft (to place the condensing section nearer an outside wall and running refrigerant lines in lieu of ductwork) without losing the refrigerant charge. The flexibility of the systems allow tenants to control, maintain, and pay for their own cooling needs because each unit can be metered separately, the manufacturer states.

Skil-aire, 1100 Wicomico St., 6th Floor, Baltimore, MD 21230; 410-625-7545; 410-625-6421 (fax); www.Skil-aire.tithecorp .com (website).

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