Snow defrost heater for photovoltaic systems assembled on pitched roofs, rear-ventilated slant and flat roofs, roofs with air circulation and for non-heated buildings, comprises one or more hot air blowers and air distribution ducts

摘要

The snow defrost heater comprises one or multiple hot air blowers and air distribution ducts. Heated air with electrical hot air blower is blown between photovoltaic (PV) modules and roof covering and from this the PV modules are heated. Manually or with clock timer, the snow is defrosted by the PV modules as desired. An unregulated or fully electrically regulated electrical hot air blower is mounted in the area of the mounted place between PV modules and the roof covering.