(via TheNewswire)

OTTAWA, ONTARIO / TheNewswire / March 26, 2018 - Thermal Energy International Inc. (" Thermal Energy " or the "Company") (TSX-V: TMG ), a global provider of industrial and institutional energy efficiency solutions , has received a $820 thousand order from a teaching hospital for one of the Company's proprietary FLU-ACE (R) heat recovery systems. This system has been designed to significantly reduce the operating costs of the hospital as well as reduce the carbon footprint of the site. The project is expected to be completed and revenue earned over the next six months.

"This order is yet another example of why our hospital customers continue to choose Thermal Energy," said William Crossland, CEO of Thermal Energy. "With best-in-class efficiency, high return on investment, and a 20-plus year track record, the FLU-ACE heat recovery systems are a proven solution for reducing operating costs and carbon emissions. By making hospitals greener and more energy efficient, hospitals can reallocate funds to where they matter most, providing excellent health care.

The FLU-ACE system will recover the energy from the waste heat generated in the flue gases of two gas-fired hot water boilers and an onsite cogeneration unit. The waste heat will be used to generate hot water for use in hydronic heating and domestic hot water. Once installed, the FLU-ACE system is expected to provide the teaching hospital with annual savings of approximately $220 thousand, while reducing greenhouse gas emissions by 1,007 tonnes per year.

About Thermal Energy International Inc.

Thermal Energy International Inc. is an established global supplier of proprietary, proven energy efficiency and emissions reduction solutions to the industrial and institutional sectors. We save our customers money and improve their bottom line by reducing their fuel use and cutting their carbon emissions. Our customers include a large number of Fortune 500 and other leading multinational companies across a wide range of industry sectors.

Thermal Energy is also a fully accredited professional engineering firm and by providing a unique mix of proprietary products together with process, energy and, environmental engineering expertise, Thermal Energy is able to deliver unique turnkey projects with significant financial and environmental benefits for our customers.

Thermal Energy's proprietary products include; GEM TM - Steam traps, FLU-ACE (R) - Direct contact condensing heat recovery, and Dry-Rex (R) - Low temperature biomass drying systems.

Thermal Energy International Inc. has offices in Ottawa, Canada as well as Bristol, U.K., United States, Germany, Italy and China. The Company's common shares are traded on the TSX Venture Exchange (TSX-V) under the symbol TMG.

For more information, visit our website at www.thermalenergy.com and follow us on Twitter at http://twitter.com/GoThermalEnergy .

William Crossland

President and CEO

Thermal Energy International Inc.

613-723-6776

bill.crossland@thermalenergy.com

Trevor Heisler

Investor Relations

Heisler Communications

416-500-8061

trevor@heislercommunications.com

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This press release contains forward-looking statements relating to, and amongst other things, based on management's expectations, estimates and projections, the anticipated effectiveness of the Company's products and services and the timing of revenues to be received by the Company. Information as to the amount of heat recovered, energy savings and payback period associated with Thermal Energy International's products are based on the Company's own testing and average customer results to date. Statements relating to the expected installation and revenue recognition for projects, statements about the anticipated effectiveness and lifespan of the Company's products, statements about the expected environmental effects and cost savings associated with the Company's products and statements about the Company's ability to cross-sell its products and sell to more sites are forward looking statements. These statements are not guarantees of future performance and involve a number of risks, uncertainties and assumptions. Many factors, some of which are outside of the Company's control, could cause events and results to differ materially from those stated. Fulfilment of orders, installation of product and activation of product could all be delayed for a number of reasons, some of which are outside of the Company's control, which would result in anticipated revenues from such projects being delayed or in the most serious cases eliminated. Actions taken by the Company's customers and factors inherent in the customer's facilities but not anticipated by the Company can have a negative impact on the expected effectiveness and lifespan of the Company's products and on the expected environmental effects and cost savings expected from the Company's products. Any customer's willingness to purchase additional products from the Company is dependent on many factors, some of which are outside of the Company's control, including but not limited to the customer's perceived needs and the continuing financial viability of the customer. The Company disclaims any obligation to publicly update or revise any such statements except as required by law.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

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