A ton of refrigeration is a rate of heat transfer, not an amount of heat. One ton is equal to the heat absorbed in melting 2,000 pounds (1 ton) of ice at 32°F in 24 hours (1 day). This equates to ...

The homeowners of a medium-sized house complain of reduced airflow coming from their registers during the summer. Their air conditioner is a 4-ton (48,000 Btuh), R-22 split system with the A-coil in ...

Refrigerant is a fluid used in cooling and heating to absorb and transfer heat. The new class of mandated refrigerants is A2Ls. The Environmental Protection Agency said this group of refrigerants ...

While Freon, the Dupont/Chemours Co. brand name for the refrigerant R-22, has become a household word, it’s going away. As of Jan. 1, 2020, R-22 will no longer be manufactured in the U.S. or ...

August 2000. Carbon dioxide could replace global-warming refrigerant. WEST LAFAYETTE, Ind. – Researchers are making progress in perfecting automotive and portable air-conditioning systems that use ...