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verification of ventilation and filtration requirement for EQp1: Verification of Ventilation and Filtration . MERV 13 filtration is not required for systems that supply air to warehouses or other areas addressed in the ASHRAE exemption for outdoor air treatment.
Exemption to 6.1.4 Systems supplying air for enclosed parking garages, warehouses, storage rooms, janitor’s closets, trash rooms, recycling areas, and shipping, receiving, or distribution areas [114]
MERV ratings are defined and tested per ASHRAE Standard 52.2-2017 . ePM1 50% are defined and tested in ISO 16890-1:2016 . In the U.S., MERV filtration ratings are the primary rating classification. In Europe, projects commonly use the ISO filtration ratings. Both options are available for compliance with this credit to allow for regional flexibility.
Filter maintenance Using clean filters on HVAC systems improves system efficiencies and ensures cleaner air for building occupants by properly removing air pollutants.
Maintain and replace filters, per the manufacturer’s recommended intervals or as described in the project-specific building readiness plan. Different filter types and brands often have varying maintenance requirements. More frequent replacement may be needed during or after an episodic outdoor event (see EQc6: Resilient Spaces ).
Facility managers must document all filter replacements and any maintenance required for the filters.
Automatic notifications are not a requirement for the credit. However, having an automated process can lead to more successful maintenance programs. For projects that use a building automation system (BAS), consider installing and programming monitoring points for each outdoor air filter and/or recirculating filter. Alarms, either visual or audible, at the BAS or at the equipment can alert the facility maintenance team when they need to change the filters.
U.S. Green Building Council LEED v5 Reference Guide for Operations and Maintenance, April 2025 Launch Edition 247