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The Hydro-Thermal energy calculator, including its assumptions and formulas, has been examined by several state and federal government energy groups who found it to be sound. We are proud to say that the calculations have been vetted by:

  • Wisconsin Focus on Energy Group
  • The U.S. Department of Energy
  • Sempra Energy (Southern California Gas Company)
  • Several engineering professors at the University of Wisconsin - Madison, the University of Wisconsin - Milwaukee, Purdue University and others.

Sempra Energy says: "Based on my knowledge and the assumptions you sent to me, the calculations look very strong."

Wisconsin Focus on Energy says: "Your calculations are sound and if we have any reservations about the assumptions and formulas in the Hydro-Thermal energy calculator, it's that you may be too conservative."

Our calculator is copyrighted. It may only be used on line and may not be reproduced for use in any manner without written permission from Hydro-Thermal Corporation. For more information please contact This email address is being protected from spambots. You need JavaScript enabled to view it.


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Hydro-Thermal is the global leader in the development and manufacturing of Hydroheaters. Through our vast global channel partners, we support hydro heating in six continents and all industrialized areas. We create heating systems for a variety of industries including: pulp, paper, chemical, ethanol, food & beverage, metal, & more!

Hydro-Thermal Corporation 

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