When an alternative refrigerant is mixed with R-22, there is no pressure-temperature chart to refer to and therefore no way to optimize the system charge. Improper superheat or subcooling can lead to ...

It is practically impossible to identify a single component refrigerant or refrigerant blend by pressure alone, even though a check of the pressure of a refrigerant against the PT chart will give some ...

MONTGOMERY, Ala. -- A 22-year-old Millbrook, Ala., man, Nicholas Burdette, died at Eastdale Mall in Montgomery and officials closed the mall for a time Sunday while a hazardous materials team ...

A company that operates a heating and cooling facility at 377 Riverside Dr. E. pled guilty to discharging, or permitting the discharge, of an ozone depleting substance.