Lennox Industries Introduces Industry-Leading Air Purification System

March 13, 2002

DALLAS, March 13 /PRNewswire-FirstCall/ -- Lennox Industries, a subsidiary of Lennox International Inc. (NYSE: LII), has introduced its new PureAir(TM) air purification system, an appliance that cleans the air in a home better than any other system on the market, according to independent test results. To further emphasize its commitment to consumer health and indoor air quality (IAQ), Lennox Industries has also entered into an educational cooperative agreement with the Allergy and Asthma Foundation of America (AAFA) and a sponsorship of the Indoor Air Quality Association (IAQA).

Money spent on direct and indirect care of allergies, asthma, and sinusitis in America totals over $30 billion per year, and approximately one in three households has an occupant suffering from these afflictions, according to studies by leading health associations.

"Our introduction of revolutionary products such as the PureAir System and our agreements with the AAFA and IAQA are significant steps in helping to promote the importance of clean indoor air for good health," said Bob Schjerven, LII chief executive officer.

Proven leading technology

Lennox Industries recently acquired Universal Air Technology's (UAT) revolutionary patented Photocatalytic Oxidation technology, making this air purification system the most effective product in its class in removing and destroying odors and chemicals.

"Our purchase of UAT's patented technology has led to the new revolutionary air purification technology in our PureAir product," said Schjerven. "We are always seeking to develop or acquire leading technologies to differentiate Lennox in the marketplace."

The success of the PureAir system has already been proven through field trials in existing and new homes, according to company representatives. In a 24-hour period, the toxin levels dropped in every home tested by approximately 50 percent.

"For over a century, we have differentiated ourselves by introducing innovative products and testing them to the highest standards," Schjerven said. "Our introduction of the PureAir air purification system is just one more example of our leadership in the home comfort industry."

A leading clinic has found air cleaners attached to whole house systems are generally more effective than freestanding air cleaners. Company officials say that, based on testing, the PureAir air system is the optimal solution for virtually all central air conditioning and heating systems because it installs easily into a home's return air ductwork and attacks the pollutants throughout the home during air circulation. By removing particles and bioaerosols and capturing and destroying odors and chemicals, the system improves comfort and also increases the efficiency and reliability of the home's air conditioning and heating system.

Using a combination of ultraviolet light and photo-catalytic oxidation technology, the PureAir system captures and destroys 75% of particles and 60% of bioaerosols as small as .3 microns, according to independent test results. (Particles smaller than 2.5 microns pass through the lungs, into the bloodstream and increase the likelihood of illness.) The system also removes and destroys 50% of odor and chemical content in a home in a 24-hour period.

Sponsoring consumer education

Eighty-five percent of Americans do not know indoor air can be hazardous to their health, according to the American Lung Association. To better educate consumers about the importance of indoor air quality, Lennox Industries has entered into an educational cooperative agreement with the Allergy and Asthma Foundation of America (AAFA) and a sponsorship agreement with the Indoor Air Quality Association of America (IAQA) focused on increasing public awareness of this little-understood health concern.

These efforts will include awareness and education of Indoor Air Quality (IAQ) for consumers. Health care providers-including doctors and nurses-will be targeted to assist in informing consumers in this educational campaign.

In addition to the PureAir air purification system, Lennox Industries has a complete line of IAQ products branded under the Healthy Climate name to meet the complete comfort and indoor air quality needs of the consumer. The Healthy Climate family of products includes electronic air cleaners, whole- house humidifiers, high efficiency 1-inch pleated filters, high-efficiency media air cleaners, and germicidal lights. The AAFA recommends controlling the air quality in your home as an effective method to reduce allergy and asthma symptoms. AAFA experts have reviewed Lennox' PureAir system and found it helps improve indoor air quality.

Lennox Industries is a subsidiary of Lennox International Inc. (LII). A Fortune 500 company operating in over 70 countries, LII is a global leader in the heating, ventilation, air conditioning, and refrigeration markets. LII stock is traded on the New York Stock Exchange under the symbol "LII". Additional information is available at www.lennoxinternational.com or by contacting Karen O'Shea, Vice President, Communications and Public Relations, at 972-497-5258.

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 that could cause actual results to differ materially from such statements. For information concerning these risks and uncertainties, see Lennox' publicly available filings with the Securities and Exchange Commission. Lennox disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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CONTACT: Karen O'Shea, Vice President, Communications and Public Relations of Lennox International Inc., +1-972-497-5258
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