Energy & Green Tech

A cooling system without harmful refrigerants

A discovery from 1917 becomes viable for the future. A team of researchers at the Fraunhofer Institute for Physical Measurement Techniques IPM is developing efficient magnetocaloric cooling systems that make do without harmful ...

Energy & Green Tech

Keeping refrigerants flowing steadily in HVAC units

Oak Ridge National Laboratory researchers have demonstrated that microchannel heat exchangers in heating, ventilation and air conditioning units can keep refrigerants evenly and continually distributed through the insertion ...

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