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Improve Split System Humidity Control with Lennox’
Humiditrol® Enhanced Dehumidification Accessory

DALLAS, TX – June 5, 2007 – Lennox has made it easier than ever to improve humidity control and reduce the spread of allergens using the popular and effective Humiditrol® dehumidification system. The system is now available as a field installed accessory matched with three phase T-Class™ and S-Class™ 3- to 5-ton R-410A refrigerant split systems. It is capable of improving space humidity levels and outperforming conventional dehumidifiers with one single, easy-to-use control device that also controls room temperature.

Based on the award-winning Humiditrol system originally developed for rooftop units, the new Humiditrol enhanced dehumidification accessory (EDA) allows for space dehumidification without overcooling. High humidity levels – rather than room temperature – activate the dehumidification cycle.

The Humiditrol EDA is a secondary coil installed downstream of the evaporator. The system is completed with the addition of Lennox’ three-phase T-Class and S-Class 3- to 5-ton R-410A refrigerant air conditioners and heat pumps, SignatureStat™ comfort control and a variable-speed air handler or furnace. The result is outstanding and efficient comfort control.

How it works

If a room or building’s humidity level exceeds the system’s setpoint, the SignatureStat controller activates the Humiditrol feature, which then works with the heating and cooling system to remove excess moisture by reheating cooled air. By reducing humidity, this patented reheat design helps control the growth of mold, mildew and dust mites, which have been linked to allergies and asthma.

For more information on the Humiditrol dehumidification system and other Lennox products, visit www.lennox.com.

About Lennox Industries Inc.

A worldwide leader in residential and commercial heating and air conditioning systems, Lennox Industries Inc. is based near Dallas, Texas. Deeply committed to helping consumers and businesses reduce energy needs and lessen their environmental impact, the company offers a wide range of resources for improving efficiency, including a selection of ENERGY STAR® qualified products. Lennox Industries is a subsidiary of Lennox International Inc., which operates in over 100 countries and is a global leader in the heating, ventilation, air conditioning, refrigeration and fireplace markets. Lennox International stock is traded on the New York Stock Exchange under the symbol “LII.” To learn more about Lennox International, visit www.lennoxinternational.com. To learn more about Lennox Industries, contact a Lennox sales representative or visit www.lennox.com.

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