Definition of "hydronic" [hydronic]

• Of or relating to a heating or cooling system that transfers heat by circulating a fluid through a closed system of pipes. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This setup with water circulating through PEX tubing is called a hydronic floor heating system, or a radiant floor."
• "Unfortunately, the alternatives (such as radiant "hydronic" heating) are just too expensive for the time being, and so forced-air is what we've got."
• ""That's because, in addition to numerous energy conservation integrated design strategies such as hydronic radiant heated flooring and a high-efficiency HVAC system with an energy recovery wheel, our most innovative strategy was the use of high-tech computational fluid dynamics"