Rule 1059. The residential provisions of the international energy conservation code,
2015 edition, except for sections R107.2 to R107.5, R301.2, R301.3, R402.3.2, and Table
R303.1.3(3), govern the energy efficiency for the design and construction of residential
buildings and, with exceptions noted, the international energy conservation code is
adopted by reference in these rules. All references to the international building code,
international residential code, international energy conservation code, international
electrical code, international existing building code, international mechanical code, and
international plumbing code mean the Michigan building code, Michigan residential
code, Michigan energy code, Michigan electrical code, Michigan rehabilitation code for
existing buildings, Michigan mechanical code, and Michigan plumbing code respectively.
The Michigan energy code is available for inspection or purchase at the Okemos office of
the Michigan Department of Licensing and Regulatory Affairs, Bureau of Construction
Codes, 2501 Woodlake Circle, Okemos, Michigan 48864, at a cost as of the time of
adoption of these rules of $44.00 or may be purchased from the International Code
Council, 500 New Jersey Avenue, N.W., 6th Floor, Washington, D.C. 20001.
History: 2008 AACS; 2010 AACS; 2015 AACS.
R 408.31060 Scope; requirements.
Rule 1060. Sections R101.1, R101.4.3, and R102.1.1 of the code are amended to
read as follows:
R101.1. Title. This code shall be known and cited as the “Michigan Energy Code.”
It is referred to herein as “this code.”
R101.4.3. Additions, alterations, renovations, or repairs. Additions, alterations,
renovations, or repairs to an existing building, building system, or portion thereof, shall
conform to the provisions of this code as they relate to new construction without
requiring the unaltered portion or portions of the existing building or building system to
comply with this code. Additions, alterations, renovations, or repairs shall not create an
unsafe or hazardous condition or overload existing building systems. An addition shall
be deemed to comply with this code if the addition alone complies or if the existing
building and addition comply with this code as a single building.
Exception: The following need not comply provided the energy use of the building
is not increased:
1. Storm windows installed over existing fenestration.
2. Glass only replacements in an existing sash and frame.
3. Existing ceiling, wall, or floor cavities exposed during construction provided that
these cavities are filled with insulation.
4. Construction where the existing roof, wall, or floor cavity is not exposed.
5. Reroofing where the roof is part of the thermal envelope and where neither the
roof sheathing nor the roof insulation is exposed.
6. Reroofing where the roof is not part of the thermal envelope.
7. Replacement of existing doors that separate conditioned space from the exterior
shall not require the installation of a vestibule or revolving door, provided, however, that
an existing vestibule that separates a conditioned space from the exterior shall not be