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Tecogen is a leading manufacturer of Combined Heat and Power products including natural gas engine-driven cogeneration, air conditioning systems and high efficiency water heaters for industrial and commercial use. Tecogen systems supply electric power, cooling or hot water while thermal energy from the engine is recovered and recycled resulting in reductions in both energy costs and greenhouse gas emissions. Tecogen has an installed base of more than 2,000 units supported by an established network of engineering, sales and service personnel across the United States.

Website http://www.tecogen.com
Ticker TGEN
Revenue $22.4 million
Funding $8 million
Employees 69 (46 on RocketReach)
Founded 2000
Address 45 1st Ave, Waltham, Massachusetts 02451, US
Phone +1 781-466-6400
Fax (781) 466-6466
Industry HVAC and Refrigeration Equipment Manufacturing, Industrial Machinery & Equipment, CleanTech, Electrical Equipment, Turnkey Installation, Manufacturing, Sustainability, Natural Gas Engin-Driven Cogeneration, Energy, Natural Gas Engine-Driven Chillers (Air Conditioners), Industrial, Ilios High Efficiency Water Heaters, Mechanical Engineering, Science and Engineering
Web Rank 5 Million
Keywords Combined Heat And Power, Cogeneration Systems, Power Generation, Chp Systems, Onsite Power Generation, Energy Efficient Solutions, Engine Driven Generators, Electric Power Systems, Air Conditioning Systems, High Efficiency Heating, Industrial Equipment, Commercial Equipment, Heating And Cooling Systems, Water Heaters, Thermal Energy, Decentralized Energy, Clean Energy Technology, Sustainable Energy, Green Energy Solutions
Competitors Veolia North America, Bloom Energy, Chart Industries, Inc., Renewable Energy Group, Inc., FuelCell Energy, Biogaz-Services-Solutions, Ceres Global Ag Corp., Verde Solutions, Aegis Energy Advisors Corp., ENGINUITY ENERGY, LLC +40 more (view full list)
SIC SIC Code 35 Companies, SIC Code 358 Companies
NAICS NAICS Code 33341 Companies, NAICS Code 33 Companies, NAICS Code 3334 Companies, NAICS Code 333 Companies

Tecogen Inc. Questions

The Tecogen Inc. annual revenue was $22.4 million in 2026.

Abinand Rangesh is the CEO of Tecogen Inc..

46 people are employed at Tecogen Inc..

Tecogen Inc. is based in Waltham, Massachusetts.

The NAICS codes for Tecogen Inc. are [33341, 33, 3334, 333].

The SIC codes for Tecogen Inc. are [35, 358].

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