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A COMPRESSORLESS, CFC-FREE AIR CONDITIONER INTRODUCED BY ICC TECHNOLOGIES AND ENGELHARD CORPORATION

 -- System To Be Installed At Test Sites --
 CHICAGO, Jan. 25 /PRNewswire/ -- A breakthrough in air conditioning


technology -- an air conditioner that has no compressor (the part in conventional air conditioners that consumes most of the electricity) nor any refrigerants (such as CFCs, the ozone-destroying coolants found in conventional air conditioners) -- is being introduced today by ICC Technologies, Inc. and Engelhard Corporation at The International Air Conditioning-Heating-Refrigerating Exposition in Chicago.
 The air conditioner, called Desert Cool, is a five-ton unit designed to cool large residential or light commercial buildings. It also has gas heating capability, thereby resulting in year-round climate control from a small unit. Other systems are being developed to heat and cool single-family homes. This unit is the first of an entire product line ranging from 0.5 tons to 100 tons and will be field demonstrated in 1993 in conjunction with the natural gas industry.
 The system provides a breakthrough in air conditioning technology by addressing the three major concerns about conventional air conditioning -- energy efficiency, environmental safety and indoor air quality. Its unsurpassed moisture removal capacity allows the introduction of large volumes of fresh ventilation air into a building without paying huge penalties in energy costs and indoor humidity.
 The Desert Cool system was developed by combining the equipment technology and application engineering of ICC and the materials technology of Engelhard. The new ETS(TM) desiccant material, developed and patented by Engelhard, absorbs up to 100 percent more water from the air than any existing compound. Harnessing these attributes, ICC has built an air conditioner that can process air with a temperature of 80 degrees and 50 percent relative humidity and cool it to 60 degrees and 50 percent relative humidity. Conventional air conditioning systems, on the other hand, cause humidity to rise as the temperature falls. Humid air is much harder to cool than dry air.
 Here is how the Desert Cool air conditioner works: supply air first passes through a slowly rotating desiccant wheel, which removes humidity (more than 90 percent). Once the air is dehumidified, cooling can be performed, as needed, by tightly controlled addition of moisture. Having separate elements to control humidity and temperature breaks the air conditioning industry's dependence on the cool, humid air supplied by all of the "cold coil" technologies that are commonly used today. This means, on a cool damp day, you don't need to further cool the air to create comfortable conditions, when humidity control alone is needed.
 The demonstration unit will have a COP of approximately 0.9, which gives it the highest efficiency per unit of cooling of any small, gas- powered air conditioning system. Production models are expected to be significantly more efficient.
 ICC Technologies (NASDAQ: ICGN), headquartered in Philadelphia, Pa., develops innovative, energy-efficient space conditioning technologies to address the need of today's commercial marketplace. ICC's products are being marketed to industries with a pressing need for effective climate control and energy management, including supermarkets, hotels, hospitals and nursing homes, large retail outlets and office buildings.
 Engelhard is a world leading provider of speciality chemical products, engineered materials and precious-metals management services.
 -0- 1/25/93
 /CONTACT: Erika Freed or Peter Collins both of Ruder-Finn, 212-715-1538 or 212-593-6326, for ICC Technologies/
 (ICGN)


CO: ICC Technologies, Inc.; Engelhard Corporation ST: Pennsylvania IN: SU: PDT

TM-LD -- NY003 -- 8343 01/25/93 10:01 EST
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Publication:PR Newswire
Date:Jan 25, 1993
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