Combined particle filter and purifier

   
   

A heating and cooling system which includes in combination a blower, a hot air furnace and an air conditioner unit with interconnected ducting and a filter/purification member positioned on the upstream side of the blower. The filter/purification member functions to mechanically filter solids with the purification component functioning to act as a catalyst for UVPCO when exposed to ultraviolet light. The filter is a mechanical filter which further contains a titania component and a source of UV light adjacent the filter to facilitate UVPCO.

 
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