This model is designed for all type of installations, inside or outside and residential or commercial use. The W Series comes in three sizes with capacities from 1500 watts to 4000 watts. They are generally installed at a height from 7 ft to 11 ft from the floor. The heavy duty stainless steel casings are designed to resist to bad weather. Choose from brushed stainless-steel finish or 6 standard powder coated colors. Possibility to order your own custom finish options to coordinate with your interior or exterior environment.