Tecogen

HVAC and Refrigeration Equipment Manufacturing • Billerica, Massachusetts, United States • 51-100 Employees

Company overview

Headquarters	76 Treble Cove Rd, North Billerica, Massachusetts 01862, US
Phone number	+17814666400
Website	tecogen.com
NAICS	3334
SIC	358
Keywords	Turnkey Installation, Ilios High Efficiency Water Heaters, Near-Zero Emissions Technology, Natural Gas Engine-Dirven Cogeneration
Founded	2000
Employees	51-100
Socials

Key Contacts at Tecogen

Abinand Rangesh

Chief Executive Officer

John Hatsopoulos

Ceo

Tecogen Email Formats

Tecogen uses 4 email formats. The most common is {first initial}.{last name} (e.g., j.doe@tecogen.com), used 50% of the time.

Format	Example	Percentage
{first initial}.{last name}	j.doe@tecogen.com	50%
{first name}.{last name}	john.doe@tecogen.com	37%
{first initial}{last name}	jdoe@tecogen.com	8.7%
{first initial}{last name}{first initial}.{last name}	jdoej.doe@tecogen.com	4.3%

About Tecogen

Tecogen is a leading manufacturer of Combined Heat and Power products including natural gas engine-driven cogeneration, air conditioning systems and high efficiency water heaters for industrial and commercial use. Tecogen systems supply electric power, cooling or hot water while thermal energy from the engine is recovered and recycled resulting in reductions in both energy costs and greenhouse gas emissions. Tecogen has an installed base of more than 2,000 units supported by an established network of engineering, sales and service personnel across the United States.

Tecogen revenue & valuation

Annual revenue	$26,300,000
Revenue per employee	$399,000
Estimated valuation?This valuation is estimated based on industry average for the HVAC and Refrigeration Equipment Manufacturing industry and current estimated revenues	$84,100,000
Total funding	$21,400,000

Employees by Management Level

Total employees: 51-100

Seniority

Employees

Entry

Manager

C-Suite

Employees by Department

Tecogen has 34 employees across 8 departments.

Departments

Number of employees

Funding Data

Explore Tecogen's funding history, including investment rounds, total capital raised, and key backers.

Funding Date	Round	Amount	Link to Article
2023-11-09	16	$1,500,000
2025-08-18	14	$19,900,000

Funding Insights

$21,400,000

Total funding amount

$19,900,000

Most recent funding amount

Number of funding rounds

Tecogen Tech Stack

Discover the technologies and tools that power Tecogen's digital infrastructure, from frameworks to analytics platforms.

Apache HTTP Server

Web servers

Google Ads

Advertising

Google Tag Manager

Tag managers

Linkedin Ads

Advertising

jQuery

JavaScript libraries

Browser-Update.org

JavaScript libraries

FancyBox

JavaScript libraries

Open Graph

Miscellaneous

Linkedin Insight Tag

Analytics

Google Ads Conversion Tracking

Analytics

PWA

Miscellaneous

Bootstrap

UI frameworks

Frequently asked questions

Tecogen is located in Billerica, Massachusetts, US.

You can reach Tecogen at +17814666400.

Tecogen was founded in 2000, making it 26 years old. The company has established itself as a significant player in its industry over this time.

Tecogen has approximately 51-100 employees. The company continues to grow its workforce to support its business operations and expansion.

Tecogen has raised a total of $21,400,000 across 2 funding rounds. This investment has helped the company grow and expand its operations.

Key Contacts at Tecogen

Abinand Rangesh

Chief Executive Officer

John Hatsopoulos

Ceo

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