Refrigeration & Transportation
3/30/2022 This past weekend our walk-in refrigerator temperature began to rise above 40 degrees. (Acceptable temps for food storage are 34-40 degrees F.) The technician came last night (the 29th). He said that we are low on refrigerant gas, which means that we need to test for leaks. He observed some ‘wet’ areas at junctions in the system, that need to be tested and probably need to be repaired. But we have another problem, our unit is charged with a refrigerant gas that is obsolete. He is researching for compatibility with a modern refrigerant that can be used to top off the system and get us going again. He said that to replace with the old gas would cost more than our whole system is worth, if it is even available (must be one of those ozone things). There is a possibility that he will need to evacuate the old gas and then replace all the seals & gaskets in the system. He showed us that the coils inside the walk-in ...