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

Energy Efficiency Reimagined

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

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 1982 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+

Upcoming Event


RT @LandlordsNY: We found this advice about cost reduction from @Tecogen_Inc. given at our last Symposium. Enjoy!

View Post

#Ultera emissions control can help! RT @tom_burke_47: Air pollution causes 40k premature deaths a year in Britain.…

View Post

@TT_cogen Hires Alternatives Project Development Expert to Lead #Biofuel #CHP Effort $TGEN

View Post

Investor RelationsView Investor Relations

Tecogen, Inc. NASDAQ: TGEN
Day Range
52 WK Range