Aerotech Fans
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A dedicated Fresh Air Unit (FAU) designed to provide makeup air to commercial kitchens. Prevents negative building pressure caused by high-volume exhaust hoods. Available with optional evaporative cooling pads or heating coils to temper incoming air.
Max Airflow
Up to 50,000 CMH
Material
Galvanized Steel / Prepainted GI
Drive Type
V-Belt or Direct Plug Fan
Efficiency
G4/M5 Filtration Standard
Improved Indoor Air Quality
Continuous fresh air supply with pollutant removal
Occupant Comfort
Climate-controlled air maintains optimal environment
Prevents Negative Pressure
Balances exhaust air to maintain positive kitchen pressure
Health & Hygiene
Multi-stage filtration removes allergens and contaminants
Kitchen & Food Court
Institutional
Commercial
| Model | Air Volume (CFM) | Static Pressure (in.wg) | RPM (Max) | Motor (HP) |
|---|---|---|---|---|
| FAU-12 | 7,000 | 150 | 1,450 | 2 |
| FAU-25 | 14,700 | 250 | 1,450 | 5 |
| FAU-50 | 29,400 | 400 | 1,200 | 15 |
Commercial mechanical codes require the exhaust fan and the Make-Up Air (FAU) unit to be electrically interlocked. If the exhaust fan turns on, the MUA must automatically engage to prevent severe building depressurization. If the MUA fails, the exhaust must shut down.
According to IMC (International Mechanical Code), the fresh air intake for a Make-Up Air unit must be located a minimum of 10 feet horizontally from the kitchen exhaust fan discharge to prevent short-circuiting and drawing toxic grease and smoke back into the building.
Commercial kitchen balancing requires the Make-Up Air (FAU) to supply roughly 80% to 90% of the air volume extracted by the exhaust fan. The remaining 10% to 20% deficit creates a slight negative pressure, ensuring food odors are kept inside the kitchen rather than drifting into the dining room.
