Engineers have developed a technique that saves energy and servicing costs by indicating when air conditioners are low on refrigerant, preventing the units from working overtime. The new "virtual ...

When it comes to adding refrigerant to a refrigeration system, there are several different methods a technician can use to determine the correct amount needed. The preferred method will typically ...

The dire ramifications of under- and overcharging an air conditioner or heat pump were covered last month ("Using the Superheat Method to Charge A/C Systems," The News, Aug. 13, page 1). The first ...

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 ...

Engineers have developed a technique that saves energy and servicing costs by indicating when air conditioners are low on refrigerant, preventing the units from working overtime. Engineers have ...