Researchers in Hong Kong have developed a hybrid-energy heat pump that seamlessly combines absorption and compression cycles using crystallization-free ionic liquids, improving efficiency and ...

"A dollar in, a dollar out." ...

"The new figures highlight how Germany can reduce its dependence on fluctuations in oil and gas prices." ...

Last month’s article examined two systems that were experiencing high compressor discharge temperatures. One system had too much refrigerant, while the other had a partially restricted liquid line. In ...