Industrial Grade Monorail Crane Hoist uses a buried or submerged geothermal heat exchanger. The Monorail Crane Hoist can reject or draw heat from a source such as the earth, a lake, or a pond, by circulating water through a loop. The Monorail Crane Hoist is rugged in construction but robust in design. The Industrial Grade Monorail Crane Hoist is designed in such a way that it ensures long lasting service.