- CEO
- Abinand Rangesh
- Full Time Employees
- 91
- Sector
- Industrials
- Industry
- Electrical Equipment & Parts
- Address
- 45 First Avenue Waltham MA United States of America 02451
- IPO Date
- May 20, 2014
- Business
- Tecogen Inc. specializes in the design, manufacture, installation, and maintenance of high-efficiency, ultra-clean cogeneration products focused on commercial, industrial, residential, and recreational applications. Its core product portfolio includes natural gas engine-driven combined heat and power (CHP) systems, commercial and industrial cogeneration systems, air conditioning systems including hybrid air-cooled chillers, high efficiency water heaters, and heat pumps. The company operates through three primary business segments: Products, which involves design and sales of cogeneration and HVAC systems; Services, which provides long-term operational and maintenance support; and Energy Production, managing distributed electricity generation systems and selling energy under extended contracts. It serves diverse markets including healthcare, recreation, data centers, multifamily housing, and industrial sectors primarily across the United States. Headquartered in Waltham, Massachusetts, Tecogen was founded in 1960.
Recently, Tecogen has made significant strides in expanding its data center market presence, highlighted by receiving a letter of intent for a 100+ MW data center project with potential expansion to 500+ MW. In 2025, the company completed an $18.2 million capital raise aimed at funding product development, expanding sales and marketing, increasing personnel, and capital expenditures, particularly to support its data center strategy. The company launched a new hybrid air-cooled chiller contributing to revenue growth but impacting gross margins due to higher associated costs. Tecogen has intensified its manufacturing capacity through partnerships with Vertiv and contract manufacturers to scale production to meet anticipated demand from data centers. The partnership with Vertiv has accelerated, with enhanced engineering support and factory testing underway for validation of new products. Tecogen reports strong product segment revenue growth, a robust cash position of approximately $140 million, and no debt on its balance sheet, reinforcing its financial stability as it pursues strategic expansion in cogeneration and data center cooling solutions.
These operational enhancements and technological advancements reflect Tecogen’s strategic shift toward scalable solutions for the growing data center industry while maintaining its established cogeneration and HVAC offerings. The company continues to leverage its proprietary CHPInsight’s Equipment Insight monitoring technology to optimize system performance and reliability, supporting long-term maintenance contracts. This comprehensive approach affirms Tecogen’s position as a developer of clean energy and energy-efficient solutions across multiple sectors with a growing foothold in the data center cooling and power generation market.