... Website:http://www.broadinternational.com, BROAD developed the 1st direct fired absorption chiller around the world.Cooling principleThe input heat energy heats ... the ozone layer.FAQWhat kind of energy sources for BROAD chiller?Natural Gas, Diesel, Heavy oil, biogas, solar, hot ... water, exhaust, steam etc.BROAD chiller can be "three functions in one", cooling/heating/sanitary hot ...