Tecogen Inc. logo

Tecogen Inc.

TGEN | AMEX
Chart Builder DCF Calculator
$3.31
+$0.19 (+6.09%)
At close: Sep 21, 2026, 4:00 PM ET
$3.26
-$0.05 (-1.51%)
After-hours: Sep 21, 2026, 4:07 PM ET

Company Profile

Tecogen Inc. specializes in the design, manufacturing, sales, and ongoing support of industrial and commercial combined heat and power (CHP) systems. These energy solutions cater to a wide range of applications—residential, commercial, recreational, and industrial—both within the United States and internationally. The company's operations are segmented into three main areas: Products, Services, and Energy Production. Its product offerings include: Cogeneration units, such as the InVerde e+ and TecoPower models, which efficiently produce both electricity and hot water. TECOCHILL branded chillers for air conditioning and refrigeration purposes. Tecofrost gas engine-driven compressors used in refrigeration systems. Ilios brand water heaters. Ultera emissions control technology. Beyond equipment sales, Tecogen provides extensive support services, including long-term maintenance contracts, spare parts sales, and comprehensive turnkey installation. These services are delivered through a network of eleven field service centers located strategically across California, the Midwest, the Northeast, the Southeast, and Ontario, Canada. Additionally, the company undertakes the installation, ownership, operation, and maintenance of distributed generation systems for electricity and other energy solutions, along with complementary technologies. Tecogen serves a diverse clientele spanning numerous sectors, such as healthcare (hospitals, nursing homes), education (colleges, universities), hospitality (hotels, motels, health clubs, spas), commercial real estate (office, retail buildings), manufacturing (food and beverage processors, factories), multi-unit residential properties, and specialized facilities like laundries, ice rinks, swimming pools, municipal buildings, military installations, and indoor growing operations. Established in 2000, Tecogen Inc. is headquartered in Waltham, Massachusetts.

Key Executives

Name Position
Abinand Rangesh Chief Executive Officer & Director
Robert A. Panora President & Chief Operating Officer
Roger Deschenes Chief Financial Officer, Treasurer & Chief Accounting Officer
John Kimball Whiting General Counsel & Secretary
Stephen Lafaille Vice President of Business Development
Tristen Howell Office Manager

Latest SEC Filings

Date Type Title
Sep 04, 2026 424B3 Filing
Sep 03, 2026 EFFECT Filing
Sep 01, 2026 EFFECT Filing
Sep 01, 2026 POS AM Filing
Aug 31, 2026 S-3 Filing
Aug 31, 2026 8-K Current Report
Aug 31, 2026 S-1/A [Amend] Filing
Aug 13, 2026 10-Q Quarterly Report
Aug 12, 2026 8-K Current Report
Jul 01, 2026 8-K Current Report
View All SEC Filings
Tecogen Inc.
Tecogen Inc. logo
Country United States
IPO Date May 19, 2014
Industry Electrical Equipment & Parts
Sector Industrials
Employees 120
CEO Abinand Rangesh

Contact Details

Building 1 North Billerica, Massachusetts 01862 United States

Stock Details

Ticker Symbol TGEN
Exchange AMEX
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001537435
CUSIP Number 87876P201
ISIN Number US87876P2011
SIC Code 3585

© 2026 bestshares.com. All rights reserved.