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The humidity level at the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) was uncomfortably low, but the amount of new humidification and dehumidification products made up for the conditions.

Warming the crowds at the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) was a significant number of new boilers and water heaters. Higher energy efficiency, smaller footprints, and advanced controls were the highlighted items on many of the new products.

Test instruments, meters, sensors, and monitors continue to gain sophistication. It’s the way diagnostic tools are headed, based upon what manufacturers brought and introduced at the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo).

Zoning products continue to make inroads for both comfort and efficiency, as seen in the products at this year’s AHR Expo.

Hydronic systems can require a number of different parts, and many of these items were displayed at the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo).

The rooftop units and accessories at the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) were as diverse as the structures on which they are installed.

On a cold winter’s day, few things are as comforting as radiant heat. At the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo), manufacturers highlighted their new products that are guaranteed to keep building occupants warm and toasty.

Ease of installation and ease of service are prime features of benefit to HVAC contractors and technicians. So it’s no surprise that, at the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo), manufacturers of unit heaters, duct heaters, and air curtains were pointing out the simple installation and serviceability of their new products.

Software innovations shown at the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) continue to indicate a trend towards increased integration among specialties, decreasing the potential for errors by automatically calculating changes into the entire design and providing automatic analyses among multiple users.

In the world of ventilation, you have power ventilators, blowers, dampers, fans, and air-handling units. Manufacturers of these products brought their newest wares for display at the 2009 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo).