Residential Energy Conservation Code
Baltimore County has adopted and is currently enforcing the International Energy Conservation Code (IECC) 2012 edition, see Baltimore County Building Code 40-12.(PDF) The IECC replaces chapter 11 of the International Residential Code, 2012 edition. All permit applications applied for on or after the effective date of July 1, 2012 shall comply with the provisions of International Energy Conservation Code, 2012 edition.
Compliance methods consist of Prescriptive (specific insulation requirements) in Sections R402.1, R402.2, R403.2.1 or simulated performance alternative section R405 (an energy estimation tool used to compare the annual energy cost of the proposed design to the annual energy cost of the standard design).
Mandatory requirements apply to both Prescriptive and Performance based designs.
Revised on July 12, 2012