Why use a cooler trailer versus a reefer van or truck? There are many benefits:
1) cooler trailers are low to the ground and easy to load
2) You can tow with a vehicle under 1 ton.
3) they cheaper to register, license and inspect.
4) a special operators license and endorsements not required.
5) cooler trailers with electric power are cheaper and cleaner than a diesel powered reefer
6) cooler trailers are less costly to repair.
7) cooler trailers take less space than a reefer van or large truck.