T
Tecogen
Manufacturer of combined heat and power products including natural gas engine-driven cogeneration, air conditioning systems and high efficiency water heaters
About Tecogen
Tecogen, Inc. specializes in the manufacture, installation, and maintenance of high-efficiency, ultra-clean combined heat and power (CHP) products. These products include natural gas engine-driven cogeneration systems, air conditioning systems, and high-efficiency gas heat pumps. Tecogen serves a diverse range of clients, including residential, commercial, recreational, and industrial sectors. The company operates in the energy production market, focusing on cost-efficient and environmentally friendly solutions. Tecogen's business model involves generating revenue through the sale of its CHP products, as well as providing ongoing maintenance services. The company's patented technology significantly reduces pollutants, making their products both reliable and eco-friendly.
Source: Dealroom company dataAt a glance
- Status
- Listed
- Founded
- 1960
- Headquarters
- Billerica, United States
- Listing
- IPO 2016
- Employees
- 69
- Open positions
- 1
- Dealroom signal
- 50.0/100
- Industry
- Energy
- Sub-industry
- Clean Energy, Energy Providers, Water, Energy Storage
- Sector
- Energy, air conditioning
- Business model
- Manufacturing
- Client focus
- b2b
- Investment activity
- 2 companies, latest Nov 2016
- Capital deployed
- —
- Preferred round
- ACQUISITION
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| POST IPO EQUITY✓Other financing | Jul 2025 | $18M | — | Undisclosed | ↗ |
| POST IPO DEBT✓Debt | Oct 2023 | $1.5M | — | John Hatsopoulos | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Tecogen is 1K monthly website visits, up 81.8% over the last three months. Tecogen's team grew 40.8% over the past year.
Open positions
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
American DG EnergyWaltham, United StatesDistributes, owns, and operates on-site energy systems that produce electricity, hot water, heat, and cooling
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Ilios DynamicsWaltham, United StatesIlios Dynamics developS and distributes a line of ultra high-efficiency heating products
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Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed2 investors entered at this stage
NYSERDA
Michaelson Capital Partners
Series B and later1 investor entered at this stage
John Hatsopoulos
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Tecogen on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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