Small duct, high velocity system
means a heating and cooling product that contains a blower and indoor coil combination that:
(1) is designed for, and produces, at least 1.2 inches of external static pressure when operated at the certified air volume rate of 220‐350 cfm per rated ton of cooling; and
(2) when applied in the field, uses high velocity room outlets generally greater than 1000 fpm which have less than 6.0 square inches of free area.