A common cause of premature compressor failure is excessive migration of refrigerant vapor to the crankcase of the compressor during the off cycle. When this happens, refrigerant vapor can condense ...

The lubricant in refrigeration and air conditioning systems has many important functions. Even though the circulated refrigerant is the working fluid required for cooling, the lubricant or oil is ...

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 ...