DIY Video: How to build an Efficient Cold Water Powered Radiant Air Cooler that uses no electricity. Turns Cold Water into Cold Air!!


    This video shows the build of a simple Homemade Water-Chilled” Radiant Air Cooler! w/motor speed control!.Made with an 8×8 “water-to-air” heat exchanger, small water pump and a 7″ fan. This new design cools air by pumping ice-water (or cold water) thru a water-to-air heat exchanger (copper/aluminum radiator) and then drawing the warm air thru the unit using a 12v radiator fan. the air that is produced is cooled dramatically with no increase in humidity and no need to vent any part of the unit to the outside. the heat is essentially captured into the cold water and the “cold” in the water is released into the room as cold air.

    Watch the DIY Homemade Offgrid Radiant Air Cooler Build Video



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