The described 20 Lbs Propane Cylinder Exchange vending machine works very similarly to a soft drink vending machine - is only bigger. The Propane Cylinder vending machine draws its power from a small solar panel eliminating the need for cabled power and reducing the risks of a spark as well as facilitating installation not too mention where it can be installed, or cable or the both. 

This propane cylinder exchange vending machine is manufactured to your capacity requirements be they 18, 24 or 36 cylinders (min order quantities required). This new and innovative Propane Cylinder Exchange vending machine is patented in the US and patent pending in Canada.

Patents are available for purchase under the right conditions.