If you run a restaurant or if your business otherwise has one or more commercial refrigeration units, then you might be looking for a repair technician who can perform the necessary repairs. Commercial refrigeration units do sometimes need repairs; these are some of the common repairs that are often done, although there are other issues that repair technicians can address as well. Replacing Seals and Gaskets For your commercial refrigerator to do a good job of keeping food items cold, it has to have proper seals and gaskets.