The City Multi R2 series variable-refrigerant-flow zoning system features inverter technology and simultaneous cooling and heating, and is ideal for hospitals, multilevel office buildings and hotels, according to company officials. The integrated system uses the proprietary Melans control system. Two different outdoors models are offered: an 80,000-Btu unit with up to 15 connectable indoor units and a 100,000-Btu unit with up to 16 connectable indoor units. Both systems can be with or without ducts. Three indoor models are offered, including wall-mounted, ceiling-recessed and concealed-ducted types.

Mitsubishi Electric & Electronics USA Inc., 4505-A Newpoint Place, Lawrenceville, GA 30043; (678) 376-2923.

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