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Tecogen Inc. and Ilios Dynamics Sign Distribution Agreement with Air Treatment Corporation for Southern California. 

Tecogen Inc., a pioneer in combined heat and cooling (CHP) systems, and Ilios Dynamics, a majority owned subsidiary of Tecogen, today announced that they have signed a distribution agreement with Air Treatment Corporation, one of the largest HVAC products distributors in southern California.

Air Treatment is committed to offering technology solutions that enhance both energy and water efficiency in both the HVAC and refrigeration markets. Tecogen and Ilios CHP products are uniquely qualified to be represented by Air Treatment, because they can deliver premium energy efficiency benefits to Air Treatment’s customers, while meeting California’s stringent rules for low emissions.

“When we heard about the near-zero NOx emissions technology coming from all three of the product lines produced by Tecogen and Ilios, we knew that we just had to be involved,” said Mark Hartman, president, Air Treatment Corporation. “We are excited about the future and feel we have a real opportunity to change the way that people think about all types of cogeneration – to see its ability to address critical energy and environmental issues now.”

“Working with Air Treatment Corporation, one of the largest distributors in southern California, is an excellent opportunity to bring the benefits of ultra-low emissions technology to commercial and industrial facilities,” said Robert Panora, President, Tecogen Inc. “These breakthrough emissions are at least on par with those from fuel cells, and allow our equipment to deliver reliable, clean energy performance to building owners for heating, chilling and power. Our systems are designed to offer the highest overall efficiencies and best paybacks. We believe that Air Treatment’s top-notch sales and application talent and energy expertise are a perfect fit for our products.”

The Tecogen InVerde module, a 100-kW inverter-based, natural-gas powered CHP system, meets a growing customer demand for “black-start” capability (operation during utility outages), simplified interconnection with the electric utilities, premium power quality, high part-load efficiencies, and breakthrough low emissions. Tecogen InVerde was the first engine-driven product in the CHP market to be certified “utility safe” to the latest UL 1741 interconnection standard, which qualifies it for a much simpler permitting process and is a requirement for California’s standardized interconnection process for distributed energy resources. Tecogen’s proven line of smaller induction generator-based cogeneration modules also feature high efficiency and ultra-low emissions, and can be a good fit where black-start capability is not required.

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Tecogen’s TECOCHILL® Natural Gas Engine-Driven Chillers are available in capacities ranging from 25 to 400 tons, including air-cooled and water-cooled models. The chillers provide both cooling and heat for a building from a single fuel source, resulting in dramatic savings on energy bills. They provide significant electrical demand reductions during peak times of the year.

The Ilios High Efficiency Water Heater is an alternative to conventional systems. Ideal for locations with a gas demand of at least 4000 therms/month, such as swimming pools, hotels, schools, colleges, hospitals, apartment buildings & recreation centers, the system provides a heating capacity of 500,000 Btu/hour. Ilios is designed to boost heating efficiency, save money, and reduce impact on the environment. Southern California is an ideal region for this equipment due to its high energy awareness and generally mild ambient temperatures.

About Air Treatment Corporation
Air Treatment is a leading manufacturers’ representative organization, with headquarters in Southern California. Air Treatment offers a wide array of top-quality HVAC equipment, representing the industry leaders in most product categories. Its diverse group of application engineers is dedicated to providing HVAC equipment and system design support to consultants, owners, and contractors. For more information, please visit

About Tecogen
Tecogen manufactures highly efficient, ultra-clean Combined Heat and Power (CHP) products including natural gas engine-driven cogeneration modules, chillers, and high-efficiency water heaters for commercial and industrial use. Tecogen has an installed base of more than 2100 units, which it supports through an established network of factory engineering, sales, and service personnel across the United States. For more information, please visit

About Ilios
Ilios Dynamics, a subsidiary of Tecogen Inc., was formed in April 2009 to develop and distribute a line of ultra high-efficiency heating products for commercial and industrial applications utilizing advanced thermodynamic principles. Products incorporate mechanical work to extract heat from the environment to supplement chemical energy available from natural gas. The result is a significant boost in efficiency and reduced carbon emissions relative to conventional heating systems. For more information, please visit




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