CHARLOTTE, N.C. — Harris Teeter, Matthews, N.C., opened a new store here yesterday that includes the first installation in North America of a medium-temperature secondary refrigeration system that ...

Direct expansion (DX) air conditioning systems are widely employed in residential and small- to medium-sized commercial buildings due to their compact design and ability to directly utilise ...

ADDITION: There are many accessories, like the TXV pictured here, that can be added to an operating system. Some are added to protect the system, while others are used to increase its efficiency. June ...

Researchers in China developed a large-scale PV-thermal heat pump system using a liquid overfeed method that reportedly improves both thermal and electrical efficiency. Field tests showed up to a 4.81 ...

A group of researchers from MIT World Peace University in India has conducted an extensive review of all direct expansion solar heat pump (DX-SHP) technology for domestic heating applications like ...