CHAMPAIGN, Ill. — Modern microchannel tube technology – widely used in the automotive industry for heat exchangers – offers an excellent opportunity to rethink the use of ammonia as a refrigerant, say ...

Hot water has been created in very much the same way for many years. Fossil fuels are combusted around a metal vessel filled with water. More recently, electric elements have been immersed in a water ...

Geothermal heat exchangers almost always use condenser water or glycol as the heat transfer medium — and, sometimes, refrigerant. Wastewater heat recovery systems typically preheat domestic cold water ...

As energy costs rise and environmental awareness is coming to the industry forefront, the interest in energy recovery is also increasing. In building services systems, heat recovery from the condenser ...