Picking up where I left off in May, when I touched on designing sheet metal distribution, this month I am going to hit the high points of engineering a pipe distribution system with thoughts on closed ...

Copper steam condenser pipes coated with F-DLC (top) and without a coating (bottom). The F-DLC coating allows the condensed water to form into droplets rather than a thin film covering the pipe.

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 ...