Return Air
Baltimore City Code, Building Codes, Part X, Section 1602
in effectSection 1602. Return Air
{As in IRC}
Source: City of Baltimore Department of Legislative Reference, City of Baltimore Law Library (codes.baltimorecity.gov; Open Law Library bulk XML)URL: https://codes.baltimorecity.gov/us/md/cities/baltimore/code/building-codes/X/1602Fetched: 10/25/2026