Tecogen Inc., together with its subsidiaries, designs, manufactures, markets, and maintains cogeneration products for multi-family residential, commercial, recreational, and industrial use in the United States. It operates in three segments: Products, Services, and Energy Production. The Products segment designs, manufactures, and sells industrial and commercial cogeneration systems to hospitals and nursing homes, schools and universities, health clubs and spas, hotels and motels, office and retail buildings, food and beverage processors, multi-unit residential buildings, laundries, ice rinks, swimming pools, factories, municipal buildings, indoor agriculture, military installations, and indoor growing facilities; and refrigeration compressors for cold storage, wineries, dairies, ice rinks…