... www.broadinternational.com, BROAD developed the 1st direct fired absorption chiller around the world.Cooling principleThe ... to 7℃ to make cooling. The refrigerant water absorbs heat from air conditioning system and evaporates, ... kind of energy sources for BROAD chiller?Natural Gas, Diesel, Heavy oil, biogas, solar, hot ... be "three functions in one", cooling/heating/sanitary hot water.What is the minimum ...