Scientists at Germany’s Fraunhofer Institute ISE and a consortium of heat pump manufacturers have achieved a new efficiency record in their development of a low-refrigerant propane refrigeration ...

The Rage R22 can handle big-water swells or skinny creeks with equal aplomb. But indulge me for a moment while I rave about its handling. Get up to speed and crank the wheel hard over, and you’re ...

Suction pressure, head pressure, subcooling, superheat, Delta T. Taking all five of these calculations into account on every service call is critical. Even if further diagnostic tests must be done to ...