I had just started working for a large grocery chain.
- I walked into fist shift only to find everyone all worked up.
It turned out that one of the freezer aisles had stopped working overnight. An entire island of food, both sides of the freezer aisle, was ruined. Me and others got to work cleaning out all of the food and melted ice cream and the manager mentioned that she called a HVAC company. I questioned her and said that it feels like the air conditioner was working fine. I though HVAC was only for air conditioners and heaters and such. She set me straight. She informed me that the industrial freezers and refrigerators work the same way the air conditioners do. The have big huge compressors that channel literally freezing air into those areas behind the glass doors where we keep all of the frozen food. Some HVAC companies also work on industrial freezers. And that is who she called. I was amazed, I had no idea that they worked that way but it makes sense. I’ve never really thought about it buy my refrigerator at home works the same way that an air conditioner does: it has coils filled with a special chemical. These coils compress the chemical creating freezing cold temperature which are then transferred into my refrigerator. I don’t understand, exactly, how this works but I know air conditioner compressors work the same way. No wonder industrial freezers need industrial sized air conditioners, and not just a few coils on the back like a household refrigerator has, to keep the air cool.
