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Exhaust fans remove stale air, moisture, odors, and airborne contaminants from commercial and industrial spaces to maintain code-compliant ventilation and protect occupant health. Proper exhaust ventilation is required in restrooms, locker rooms, kitchens, utility spaces, and many industrial environments under local building codes and OSHA standards.
At RelightDepot, commercial exhaust fans span a wide range of CFM ratings, static pressure tolerances, and enclosure types to cover light commercial restrooms through heavy-duty industrial exhaust applications. Ceiling-mount and wall-mount configurations are both available, with motor and housing options rated for continuous duty, high-temperature, or corrosive-atmosphere environments.
When specifying an exhaust fan, the two primary criteria are airflow capacity in CFM and static pressure. ASHRAE Standard 62.1 provides minimum ventilation rates by space type. For restrooms, a common rule of thumb is 1 CFM per square foot or 50 CFM minimum per water closet, whichever is greater.
Noise level, expressed in sones, matters in occupied commercial spaces such as offices and restaurants. Specify fans rated at 2.0 sones or lower for acceptable noise levels in those environments. Many commercial exhaust fans include integrated humidity sensing, occupancy control, or timer functions that eliminate the need for separate control wiring.
Pair exhaust fans with Occupancy Sensors for automated control. For ceiling air movement in the same space, browse Ceiling Fans. The full fans category is at Fans.