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Lennox Commercial Introduces Innovative Products at 2006 AHR Expo

DALLAS, TX (January 10, 2006) – Lennox will present the latest advancements in commercial HVAC at the AHR Expo in Chicago, January 23-25, 2006. Lennox Commercial will be located at booth number 5550 in the center of the Technology Solutions area in the Lennox International booth. The four innovative products that will be featured include:

S-Class™ 35- to 50-Ton Rooftop Units (AHR Expo Innovation Award Honorable Mention)

Designed to achieve a low lifecycle cost, Lennox' S-Class™ 35- to 50-ton packaged rooftop product line features innovative designs that help speed installation and maintenance activities and reduce operation costs. Lennox has the most energy efficient unit in this tonnage category with up to 10.8 EER. Engineered for maximum efficiency and performance, Lennox' S-Class units are available with either R-22 or R-410A refrigerant (select units). S-Class units feature factory installed options such as integral energy recovery wheels, economizers, demand control ventilation and variable frequency drives to control operating costs while protecting thermal comfort and air quality. Features that enhance performance and Indoor Environmental Quality include the Humiditrol® dehumidification system, double-wall construction and high-efficiency MERV 11 filters.

HS/HP29 3- to 20- Ton Split Systems

Lennox' line of HS/HP29 split system air conditioners and heat pumps deliver excellent reliability, easy installation and maintenance and great performance. Standard features such as high and low pressure switches, crankcase heaters and minimum compressor run times improve unit durability. Scroll compressors, service valves and easy access control components speed installation and maintenance while improving unit performance.

T-Class™ 3- to 6-Ton Rooftop Units

Lennox has also expanded its line of rugged, reliable T-Class™ rooftop units, available second quarter 2006 in 3-to 6-ton capacities. Designed to meet or exceed new minimum efficiency requirements (13 SEER) and provide dependable, efficient control year round, the systems feature thermal expansion valves for better cooling and dehumidification over the entire application range. Tonnages range from 3 to 25 for gas heat, cooling only (with field-installed electric heat) and heat pump models (maximum 20-tons).

Interoperability via BACnet® or LonTalk® protocols

Lennox' Integrated Modular Controller (IMC) premium rooftop unit controller was designed to complement and enhance Lennox' L Series® and S-Class™ rooftop units. New open protocol integration modules allow the IMC to support communication following the BACnet® Application Specific Controller device profile, LonMark® Space Comfort Controller functional profile, or LonMark® Discharge Air Controller functional profile.

About Lennox Industries

A worldwide leader in residential and commercial heating and air-conditioning systems, Lennox Industries Inc. is based near Dallas, Texas. 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 and refrigeration markets. Lennox International stock is traded on the New York Stock Exchange under the symbol "LII". To learn more contact a Lennox field sales representative or visit www.lennox.com.

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