HVAC cylinder colors creatively extend beyond the basic palette, utilizing terms such as light green, battleship gray, and rose for such familiar refrigerants as R-22, R-134a, and R-410A. And they can ...

COLLEGE POINT, N.Y. — ComStar International Inc. has announced a new refrigerant for ice ... I wouldn’t be caught without any R-22 options down the road.” ComStar supplied the new RS-45 along with ...