There are lots of things a commercial refrigeration repair man does. They will mainly work on expensive, high maintenance commercial fridges, as they have to have a high uptime.
http://my-air-conditioner.com/commercial-refrigeration/ is a good website to find commercial refrigeration repair. I don't know much about them but im sure they will do the trick.
Refrigeration and airconditioning mechanics assemble, install, service and repair industrial, commercial and domestic refrigeration and airconditioning systems in homes, shops, factories, office buildings and hospitals.
In general, one tends to need to complete a refrigeration and air conditioning repair course. This can be in the form of a college course of completed as part of a recognized apprenticeship.
Commercial refrigeration services are expansive throughout the world. Carrier is one of the best, and most trusted commercial refrigeration services around.
You do have several choices for commercial purposes. True Refrigeration would be the best in my opinion.
Commercial refrigeration first became commercialized in the early 1950's. However, commercial refrigeration via an ice machine or refrigerator has existed since the early 1940's.
AirZero provides reliable Commercial Refrigeration Services for all of Clearwater, Largo and St. Pete Florida. Call our Commercial Refrigeration specialists
Dixon Training at http://www.dixontraining.co.uk/ offers a course in refrigeration repair. Fred's appliance academy at http://www.fredsappliance.com also offers courses on appliance repair.
Check into True Manufacturing. They have a variety of commercial refrigeration units, and they're based in O'Fallon, Mo. I own a couple gas stations and I just had to replace my commercial refrigeration units. I got my new ones from the FoodService Warehouse.
Two websites where commercial refrigeration supplies can be found are www.instawares.com and www.acemart.com. You may want to check your local yellowpages for local providers.
Commercial refrigeration supplies can be purchased from missionr.com there are other sites to visit as well. This site however, is quite good and you should check it out.
Commercial refrigeration equipment can cost anywhere from $1,000-$8,000 and even more. It depends on the quality/size of the product and where you purchase it.