When it came to this year’s refrigerant shortage, Manny Griego, owner of Arrowhead Refrigeration, wasn’t messing around. He kept that cylinder under lock and key in his office — with a security camera pointed at it, to boot. In this video, we catch up with Griego to see what availability is looking like this fall and through the end of the year. (Spoiler: At Arrowhead, the lock-and-key policy is still very much in effect.)

Read more about the refrigerant shortage.