Moffitt Make-up Air (MMA) Series

Make Up Air Unit

The Moffitt Make-up Air (MMA) Series units replace exhausted air with fresh, heated or cooled, outdoor air to maintain pressure and indoor air quality (IAQ) in an industrial facility.

To lean more about how Make-up Air can improve temperature consistency in your facility, read our article on Industrial Make-Up Air Units and How They Work.

PRODUCT BENEFITS

  • Delivers precise make‑up air volume, temperature, and pressure to maintain building pressurization and indoor air quality in industrial environments.
  • Modular design allows the unit to be configured for ventilation only, heating, cooling, or combined air treatment applications to meet project requirements.
  • Custom configurations are available to meet facility and project needs.

STANDARD FEATURES

  • Fully welded structural steel frame with steel sheeting
  • 30,000 to 140,000 CFM; up to 3.5 in. w.g. total static pressure (TSP)
  • Vertical and horizontal configurations
  • Industrial-grade painted finish
  • Airfoil-blade plenum fan array with TEFC belt-drive motor
  • Control panel with service switch and circuit breaker

OPTIONAL FEATURES

HEATING

  • Direct-fired natural gas burner: 92% thermal efficiency; up to 12,500 MBH; up to 25:1 turndown ratio
  • Indirect-fired natural gas heat exchanger: 80% thermal efficiency; up to 3,000 MBH input; up to 60:1 turndown ratio
  • Steam heating coils
  • Hot water coils

COOLING

  • Direct-expansion (DX) cooling coil
  • Chilled water coil
  • Direct evaporative cooling

FILTRATION

  • V-bank filter or filter hood
  • Standard 2 in. MERV 8 filters with multiple filter ratings available
  • Bird screen inlet

CONTROLS

  • VFD airflow control
  • MODBUS/BACNET Compatibility
  • HMI with temperature & pressure sensors
  • Control dampers for inlet/outlet, backdraft or motorized

MISCELLANEOUS

  • Silencers: Custom sound attenuation to meet project requirements
  • Up to 80% return air