Why the ammonia refrigerant number matters for your cooling
If you've spent any time around industrial chillers or large-scale cold storage, you've likely seen the ammonia refrigerant number R-717 stamped on everything from compressors to safety manuals. To the uninitiated, it's just a random digit, but in the world of cooling, that number represents one of the most effective, albeit misunderstood, tools we have. It's been the backbone of the food and beverage industry for well over a century, and even with all the high-tech synthetic gases we've invented since then, good old 717 is still the reigning champ in many categories. ...