Tecogen Inc. (NASDAQ: TGEN) manufactures, installs and maintains high-efficiency, ultra-clean combined heat and power products – including natural gas engine-drive cogeneration, air conditioning systems and water heaters for residential, commercial and industrial use. For over 20 years, the company has built a reputation for its cost-effective, environmentally-friendly products that utilize patented technology in order to significantly reduce its clients’ carbon footprints. Tecogen is supported by an established network of engineering, sales and service personnel located throughout the United States. For more information, visit the company’s website at www.tecogen.com.