INTERNATIONAL ENERGY CONSERVATION CODE (IECC)
The IECC is a building energy code created by the International
Code Council. It is a model code adopted by many states and municipal
governments in the United States for the establishment of minimum
design and construction requirements for energy efficiency, and is
updated on a three-year cycle. The baseline energy conservation requirements
of the Massachusetts State Building Code are the IECC with Massachusetts
amendments, as approved by the Board of Building Regulations and Standards.
STRETCH ENERGY CODE
Codified by the Board of Building Regulations and Standards
as 780 CMR Appendix 115.AA of the 8th Edition Massachusetts Building
Code, the Stretch Energy Code is an appendix to the Massachusetts
Building Code, based on further amendments to the IECC to improve
the energy efficiency of buildings built to this code.
The purpose of the Stretch Energy Code (780 CMR 115.AA) is to
provide a more energy-efficient alternative to the Base Energy Code
applicable to the relevant sections of the Building Code for new buildings.
This code applies to new residential and commercial buildings.
Buildings not included in this scope shall comply with 780 CMR 13,
34, 51 as applicable.