Refrigeration is the process of removing heat from a substance to produce a low temperature. Heat always flows from a warmer to a cooler body or substance. Refrigeration works by placing something to be cooled near a refrigerant, something cooler that...

People have taken advantage of natural refrigeration for thousands of years. Caves, holes dug in the ground, springs, ice and snow, and evaporative cooling have all been used to cool food and drinks. Natural refrigeration, however, has limitations....

Refrigeration is the process of removing heat from an enclosed space, or from a substance, and rejecting it elsewhere for the primary purpose of lowering the temperature of the enclosed space or substance and then maintaining that lower temperature. The...

REFRIGERATION Gains in low-temperature cases helped unit shipments of commercial refrigeration equipment show a 3.1% increase in 1988 over the previous year's performance, according to the Commercial Refrigerator Manufacturers Association (CRMA). The trade association does not report numerical totals for shipments...

EPA extends regulations to the new 'substitute' refrigerants, including HFCs. Under Title VI Section 608 of the Clean Air Act, it has been illegal since Nov. 15, 1995, to knowingly vent substitutes for chlorofluorocarbon (CFC) and hydrochlorofluorocarbon (HCFC) refrigerants during the maintenance,...

Every year, thousands of American children go through the tearful, teeth-gritting ordeal of getting their vaccinations, only to be forced to do it all over again. The vaccines were duds, ruined by poor refrigeration.It is more than a source of distress for parent and child....

When John Cornwell graduated from Duke University last year, he landed a job as software engineer in Atlanta but soon found himself longing for his college lifestyle. So the engineering graduate built himself a reminder of life on campus: a refrigerator that can toss a...