 WALTHAM, MA, Jan. 14, 2021 GLOBE NEWSWIRE -- via NewMediaWire -- Tecogen Inc. OTCQX: TGEN, a clean energy company providing ultra-efficient and clean on-site power, heating and cooling equipment, is pleased to announce the sale of two 200-ton Tecochill chillers for a new cannabis cultivation facility located in Massachusetts. The chillers will provide cooling for the facility using inexpensive natural gas, with the free waste heat utilized for dehumidification. A maintenance contract is expected to be executed once the units are installed later this year and will be serviced out of Tecogens Waltham factory service center. 