The NEWS - February 18, 2008 - (Page 41)

Humidity, Dry Air Solutions Make a Splash A Concentration on High-Performance Remedies By Angela D. Harris Of The NEWS Staff EW YORK — Whether the air is too dry or too moist, humidification and dehumidification manufacturers at the 2008 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) had the product solution. Tucked within the many aisles at the expo were systems as diverse as the exhibitors. Overall, however, each concentrated on quiet efficiency and low-cost operation. N Three models offer different control options. According to the manufacturer, this system provides the high efficiency and decreased water consumption of steam-based humidification with more versatile installation options. Lennox International Inc. (www.lennox.com) displayed its Humiditrol® dehumidification system for split systems. This winner of a 2008 AHR Innovation Award offers space dehumidification without overcooling in one system. High humidity levels, rather than room temperature, activate the dehumidification cycle. Once activated, the unit works with the heating and cooling system to remove excess moisture by reheating cooled air. According to the company, this patented reheat design helps control the growth of mold, mildew, and dust mites. This new system is a secondary coil installed downstream of the evaporator. Now available as a field-installed WET, DRY, AND EFFICIENT Dristeem Corp. (www.dri steem.com) introduced its polyvinylidene fluoride (PVDF) insulated dispersion tube options at its booth. Available for new or retrofit applications, both the Ultra-sorb® and Rapid-sorb® models employ this insulation. It is approved for use in plenums, rated for high temperature operation, doesn’t degrade when exposed to UVC light, and doesn’t shift or slip on the tubes. PVDF’s closed cell structure won’t absorb water or support microbial growth. According to the company, this insulation reduces wasted energy by up to 85 percent and it reduces unwanted downstream heat gain and condensate. Ebac Industrial Products Inc. (www.ebacusa.com) showcased two new wall-mounted dehumidifiers. The WM80 and the WM150 are both high-capacity, high-efficiency units with an inlet air filter, high-performance cross-flow fan, internal humidistat, hot gas defrost, an optional internal condensate pump, and R-22 refrigerant. The WM80 weighs just over 82 pounds and has a 15-gallon per day capacity. Its high efficiency rotary compressor operates at 6,625 Btuh. The WM150 weighs just over 124 pounds and has a 27-gallons-perday capacity. Its reciprocating compressor operates at 12,000 Btuh. Honeywell (www.forward thinking.honeywell.com) launched the TruSteam™ humidification system, a high-performance, application-flexible system that allows homeowners to select desired humidity set points independent from air temperature, said the company. The unit, which uses multiple water sensors located in a separate compartment to monitor water levels, can be remotely mounted up to 20 feet away from the desired humidification zone. ONLINE AT WWW.ACHRNEWS.COM ■ Icor010708.indd 1 eProduct #38 at achrnews.com 12/5/07 3:02:05 PM February 18, 2008 41 http://www.icorinternational.com/tn.html http://www.icorinternational.com/tn.html http://WWW.ACHRNEWS.COM http://WWW.ACHRNEWS.COM

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The NEWS - February 18, 2008 Turnout Contents Newsline FYI Unitary Oil-Fired Products Furnaces Hydronics Ductless Rooftops Drives & Motors Controls Transmitters, Sensors Zoning Valves Refrigerants Condensers & Coils Heat Exchangers Cooling Towers Chillers Duct Products Humidification IAQ Monitors, Instruments Trucks Tools Software Installation, Maintenance of HVAC Coils Munters MCS Dries Up Water Concerns at Hospital Michigan Home Show Brings out Contractors Investigating Furnace Failures Mold/Bacteria Protection of A/C Coil Learning Center Classifieds Advertisers Opinions

The NEWS - February 18, 2008

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