High performance, energy-efficient heating fans with two power settings. Robust and practical with a lightweight construction, in powder-coated, corrosion-resistant, galvanized sheet steel. The design of the fan and housing maximize the throw and spread of warm air. TF 15HW has three adjustable air distributors, capable of maintaining the temperature in an area of around 300 m². Accessible, modular construction makes cleaning/servicing easy and ensures easy access to the electrical box.