Contractors hoping for a final word on the newest refrigerants will have to wait — but maybe only a bit longer. Research continues and most of the studies are focusing on low-GWP HFCs and HFOs. But the good news is that what is currently being worked on could well represent the last generation of refrigerants.
Nowhere in refrigeration has change taken place faster in terms of system design and refrigerants than in the supermarket sector. But through it all, those who design, install, service, and maintain such changing technologies still need to understand how these systems’ components operate and how to do proper maintenance.
One flick that turns up every fall is called “Love at the Thanksgiving Parade.” One scene is supposed to take place in late November in Chicago. The good-looking guy and good-looking girl are shopping at a supermarket. But there do not appear to be any doors at the front of the store.