Commercial Unit For Sale. This 60x20 unit is versatile whether you need more storage space or need a flexible space for your business. It features 16' sidewalls with a 14' overhead door as well as a front entry walk-in door. The interior of the unit is equipped with a utility sink and a half bath (8x5) with a 50 gal electric water heater (2019). This unit has an in-floor heating system (not hooked up currently) and has an included electric heater. The work benches are included in the sale while the hanging shelf is negotiable.