CERTIFICATION AGENCY INTERPRETATION
Our NGBS Interpretation documents provide recommendations on technical and verification issues related to NGBS Green certification
File Under: Chapter 11: Existing Building
Verifiers working on existing mixed-use buildings, where there is no planned renovation to the existing commercial space(s) have asked if Home Innovation allows certification of the entire building, not just the residential portion of the building. The answer is yes, there is a path for certification of the whole building as discussed below.
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File Under: Chapter 11: Existing Building
The 2020 NGBS Section 3 – Compliance Method provides rules for remodeled buildings, and subsection 305.2.3 Mandatory Practices for whole-building ratings states that, "Unaltered portions of the existing building shall not be required to meet Mandatory requirements except when life safety or apparent moisture issues exist." This exception applies to Section 11 Remodeling, including the new prescriptive options for energy efficiency compliance in the following subsections.
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