Modular photocatalytic air purifier

A fan coil unit including an air return, a coil unit, a fan, and an air supply, the fan coil unit comprising:

• at least one photocatalytic purifier including,
• a modular enclosure having a retractable alignment mechanism, the retractable alignment mechanism being configured to move between an in-use position aligned within the fan coil unit and a retracted position,
• a plurality of support structures disposed within the modular enclosure, each of the plurality of support structures having a catalytic layer disposed thereon, and
• at least one UV lamp interposed between the plurality of support structures;
• and
• a control unit coupled to the at least one photocatalytic purifier, whereby the control unit energizes the at least one UV lamp in accordance with a fan coil operating mode.

A method for filtering air in a unit having an air return, and an air supply, the method comprising:

• providing at least one modular photocatalytic purifier, the at least one photocatalytic purifier including a modular enclosure having a retractable alignment mechanism, and at least one UV lamp interposed between a plurality of titanium dioxide coated filter structures;
• using the retractable alignment mechanism to dispose the at least one modular photocatalytic purifier in an in-use position within the unit;
• directing air from the air return into the at least one photocatalytic purifier;
• bringing contaminants borne by the air into contact with the titanium dioxide coated filter structures;
• and
• directing UV radiation from the at least one UV lamp onto the titanium dioxide coated filter structures, whereby the titanium dioxide coated filter structures are activated to react with the contaminants to produce carbon dioxide and water.