At a recent meeting of the International Ground Source Heat Pump Association (IGSPHA), Enertech business development manager Rob Derksen shared tips for how HVAC contractors can become better at ...

In a conventional application, there are three rings per piston. The top ring is called the compression ring. Its purpose is to seal the combustion gas pressure, transfer heat from the piston to the ...

The membrane-spanning enzyme known as complex I couples the movement of electrons to that of protons as a way of converting energy. Crystal structures suggest how electron transfer drives proton ...