Nortek Air Solutions (NAS) received a notice of acceptance (NOA No. 20-0630.02) on its Welded Frame (WF-2) air-handling unit (AHU) cabinet for compliance with Miami-Dade County’s High Velocity Hurricane Zone (MDC HVHZ) building code. The WF-2 was tested at 227 pounds per square foot (PSF). The PSF rating equates to a wind-load rating of approximately 301 mph, depending on equipment elevation and building importance (risk factor). The WF-2 is built with heavy-gauge metal exterior panels and interior liners and a structural integral or welded framework with a fully welded structural unit base. All units or verified through in-house testing for performance, strength, and durability.
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