780 CMR, ch. 51, ch. 4, R405, R406.1

Current through Register 1538, January 3, 2025

Subsection R406.1 - Scope

R406.1 - Revise and add subsection as follows:

This section establishes criteria for compliance using an Energy Rating Index (ERI) analysis, or approved alternative energy performance rating methods.

R406.1.1Approved alternative energy performance methods. The following rating threshold criteria are sufficient to demonstrate energy code compliance under section R406 without calculation of a standard reference design. The mandatory provisions listed in R406.2 also apply:

Any other software approved by the Board of Building Regulations and Standards.

780 CMR, ch. 51, ch. 4, R405, R406.1

Amended by Mass Register Issue 1532, eff. 10/11/2024.