Q-PAC Fan Achieves Seismic Certification for Critical Facilities
Seismically certified solution now available for both new and retrofit air handlers

SEISMIC: Unlike many seismically certified fans tied to specific OEM units, Q-PAC’s modular, field-installable design allows flexible installation across new and existing air handlers.
Company: Q-PAC
Product Name: Multimotor Plenum Fan (MPF)
Description: Q-PAC’s Multimotor Plenum Fan (MPF) has received HCAI Special Seismic Certification Preapproval OSP-0875, following full-system shake table testing to stringent ICC-ES AC156 standards, making it a rare standalone retrofit and new-build fan solution that is code-compliant for IBC 2024 and CBC 2025 seismic demands. Engineered to remain anchored and operational during design-level earthquakes, the MPF is certified up to SDS 2.50 g for grade-level and 1.61 g for elevated installations, covering nearly all high-seismic U.S. regions and supporting California’s 2030 hospital seismic mandate. Unlike many seismically certified fans tied to specific OEM units, Q-PAC’s modular, field-installable design allows flexible installation across new and existing air handlers, with documentation and engineering support for rapid plan review and regulatory compliance in critical facilities.
For more details, visit Q-PAC’s website.
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