Boston-area Ice Rink Orders Second Chiller

WALTHAM, MA -- (Marketwired) -- 03/27/18 -- Tecogen® Inc. (NASDAQ: TGEN), a clean energy company providing ultra-efficient, clean, natural gas powered on-site power, heating and cooling equipment, is pleased to announce that an ice rink in the suburban Boston area has ordered a second Tecochill STx Series water-cooled chiller to accompany the same chiller installed in late 2016. As with the first unit, the purchase of the second unit qualifies for local utility incentives due to its energy efficiency rating. Tecogen will provide ongoing maintenance following installation by a third-party contractor. The unit is likely to ship by early April.

"Tecochill is a true power-play for ice rinks. It gives them the ability to produce their ice at half the cost and provides ample free hot water to all of the necessary thermal loads at a rink such as ice resurfacing, dehumidification, ice pit melting, sub soil heating, domestic hot water production for showers, and even space heating," according to Tecogen Product Manager Stephen Lafaille. "At the time of the initial sale in 2016, it was apparent that there may be a need for a second chiller. Six-figure savings in the first full year of operation and 99.9% uptime from the first chiller and a substantial incentive from the local utility certainly aided the owner's decision to work with us again. The local electric utility also projected rate hikes over the coming years while the owner's research into natural gas futures indicates that his spark spread is likely to only get wider."

"Ice rinks are an integral part of Tecogen's broad and diverse customer base," stated Benjamin Locke, Tecogen's Co-CEO. "A repeat customer is an unbeatable endorsement of both our products and service. We've worked hard to be able to provide the best service possible for our customers as it's critical to optimize the value proposition that our products can provide."

About Tecogen
Tecogen® Inc. designs, manufactures, sells, installs, and maintains high efficiency, ultra-clean, cogeneration products including natural gas engine-driven combined heat and power, air conditioning systems, and high-efficiency water heaters for residential, commercial, recreational and industrial use. The company is known for cost efficient, environmentally friendly and reliable products for energy production that, through patented technology, nearly eliminate criteria pollutants and significantly reduce a customer's carbon footprint.

In business for over 30 years, Tecogen has shipped more than 2,500 units, supported by an established network of engineering, sales, and service personnel across the United States. For more information, please visit www.tecogen.com or contact us for a free Site Assessment.

Tecogen, InVerde, InVerde e+, Ilios, Tecochill, and Ultera are registered trademarks or trademarks pending registration of Tecogen Inc.

Forward Looking Statements
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In addition to those factors described in our Annual Report on Form 10-K and our Quarterly Reports on Form 10-Q under "Risk Factors", among the factors that could cause actual results to differ materially from past and projected future results are the following: fluctuations in demand for our products and services, competing technological developments, issues relating to research and development, the availability of incentives, rebates, and tax benefits relating to our products and services, changes in the regulatory environment relating to our products and services, integration of acquired business operations, and the ability to obtain financing on favorable terms to fund existing operations and anticipated growth.

Tecogen Media & Investor Relations Contact Information:
John N. Hatsopoulos
P: (781) 622-1120
E: John.Hatsopoulos@Tecogen.com

Jeb Armstrong
P: (781) 466-6413
E: Jeb.Armstrong@Tecogen.com

Source: Tecogen Inc.

Released March 27, 2018