Energy Efficiency Reimagined

Our natural-gas-fueled CHP products reduce energy costs, decrease greenhouse gas emissions and alleviate congestion on the national power grid.

Revolutionized Distributed Generation

Tecogen is the leading provider of clean and reliable products for power production, heating and cooling, nearly eliminating criteria pollutants and significantly reducing your carbon footprint, all while saving your business money.

Commercial and Industrial Applications

Combined Heat & Power (CHP)

Combined Heat & Power (CHP) is the best way to get “two for the price of one.” Generate the electricity or cooling power that you need, while capturing much of the thermal energy that is normally lost during the energy conversion.

All Our Products

A Wide Array of Support

From application and implementation analysis, installation, real-time monitoring, parts, and nationwide maintenance, we’ve got you covered. You can rest assured that your equipment will run for decades to come.

Services and Support

The Sensible Green Technology

Our technology incorporates state-of-the-art engines, power electronics, exclusive microgrid software, controls, heat recovery and patented emissions technology in a complete packaged design for seamless installation.

Proprietary Clean Energy Technology
The Sensible Green Technology

A Leading Manufacturer of Clean Technologies

Tecogen has been pioneering the development of efficient clean energy technologies that save customers money for over three decades.

A Growing Company in a Growing Industry

Market Leading Innovations

We invented the nation’s first packaged cogeneration module back in 1983 and have led the industry with:


The first standardized natural gas engine-driven chillers


The first R-134a-based engine-driven chillers


The first (and only) California Rule 21-certified engine-based cogeneration module


The first inverter-based engine-driven CHP units


The first engine-based emissions controls able to meet California’s latest strict emissions standards


Received patents for Emissions Control


Launched InVerde e+

Latest Event


Congratulations to Denise MacQuirk from New Jersey Natural Gas! Denise won our "Cooler Cooler" and several bottles…

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Visit us today & tomorrow at the NE Buildings & Facilities Show, Boston Conv. & Expo Center, Booth 411!

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Tecogen Inc. (Nasdaq: TGEN), maker of highly efficient CHP products, rings the Nasdaq closing bell today.…

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Tecogen, Inc. NASDAQ: TGEN
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