LEED v5 O+M Rating System_February 2026 - Page 081

Extracted Content

Indoor Environmental Quality Credit

AIR FILTRATION

EQc5

1 point

INTENT

REQUIREMENTS

Achievement Pathways	Points
Existing Buildings	1
Air Filters	1

Each ventilation system used to meet the ASHRAE ventilation rate procedure that supplies outdoor air and/or recirculated air to regularly occupied spaces must meet one of the following:

• Minimum efficiency reporting value (MERV) of 13 or higher, in accordance with ASHRAE Standard 52.2-2017

• Equivalent filtration media class of ePM1 50% or higher, as defined by ISO 16890-2016, Particulate Air Filters for General Ventilation—Determination of the Filtration Performance

NOTE: Spaces listed in ASHRAE Standard 62.1-2022, Exception to 6.1.4, may be excluded from this requirement.

Filtration media must be maintained and replaced according to the manufacturer’s recommended interval.

U.S. Green Building Council LEED v5 Reference Guide for Operations and Maintenance, November 2025 Edition 75