Date
Inquiry

For part (a), if a multi-family project conducts the Manual J calculation and estimates that the proper HVAC size is smaller than any commercially available unit (1.5 tons), how should the prerequisite be met?

Ruling

If the Manual J calculations indicates the need for an HVAC unit that is smaller than any commercially available unit, it is acceptable to put in a slightly oversized unit.

Internationally Applicable
Off
Campus Applicable
Off