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First Integrated Solar-Assisted Residential Heating and Cooling System

DALLAS, TX (September 18, 2008) - Lennox Industries unveiled SunSource,™ the industry's first integrated solar-assisted residential heating & cooling system, today at the Association of Energy Services Professionals (AESP) 4th Technology Symposium in Long Beach, CA. The system will be available to the public in 2009. Lennox Industries is a subsidiary of Lennox International (NYSE: LII).

“Lennox is a recognized and respected innovator in the heating and cooling industry, and with the introduction of the Lennox SunSource™ we are furthering our commitment to innovation and energy efficiency,” said Doug Young, president and COO, LII Residential Heating & Cooling.

As photovoltaic solar panels become more affordable, solar power becomes a more viable solution to reducing peak residential energy consumption, reducing energy bills and demand on a capacity-constrained energy grid. Solar power provides an alternative resource during the hours when air conditioning drives energy demand higher and peak energy relief is needed most. Using a patent-pending technology developed specifically for use in residential applications, the Lennox SunSource™ can help reduce peak demand, increase energy efficiency, and maintain homeowner comfort.

The Lennox SunSource™ integrates solar power by using a single 190-watt solar panel which provides power to assist the fan motor that moves air across the outdoor coil, a critical component in any home comfort system. Even on days with limited sun exposure, the Lennox SunSource™ takes advantage of the available solar resources and reduces energy usage. To match the expected gains in energy efficiency, a conventional outdoor residential air conditioning unit would have to almost double in size.

Integrating solar power into other components of a typical home comfort system -- including indoor motors, compressors, indoor air quality products, and thermostats -- is currently being evaluated. “The Lennox SunSource™ is another step towards the acceptance of single-point solar technology applications,” said Doug Young. “This unique application specifically targets reducing peak demand, while improving energy efficiency and maintaining comfort. Together with the electric industry and the support of our outstanding North American dealer network, we can begin to make a significant positive change in 2009.”

Lennox Industries is a subsidiary of Lennox International Inc. Through its subsidiaries, Lennox International Inc. 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.”

Additional information is available at: or by contacting Ozzie Buckler, director, communications and public relations of Lennox International Inc., at 1-972-497-7456.

This news release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are subject to numerous risks and uncertainties. For information concerning these risks and uncertainties, see LII's publicly available filings with the Securities and Exchange Commission. LII disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

"Safe Harbour" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding Lennox International's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.

For more information, contact:
Ozzie Buckler
Director, Communications and Public Relations
Lennox International Inc.

© 2015 Lennox International Inc.