Nance International, Inc. offers MPAC-EX series a Custom built Vertical Wall Mount Package Units. The unit will cool, heat, & pressurize per NFPA 496 from a single unit. Provides a positive pressure inside a closed space. The unit has a purge and pressurizaimum air flow thru an open door. Save installation time and wall space. The unit can have standard heating if room as been declassified for general purpose.

Cabinets are construcetd of pre-painted galvanized steel or optional 316 stainless steel to meet the environment.

mpac pic


  • Hermetic scroll compressors
  • Copper Tube-Aluminum Fin Condenser Coil
  • Painted Galvanized Steel Cabinet and Base
  • Complies with NEC500 for Class 1, Div.2, Groups C & D, T3, NFPA 496
  • Fresh air stack connection
  • EPA Approved Refrigerant R-41 10A
  • Built in controls for room access
  • Purge air for one 3'X7' door at 60 FPM KW
  • Nominal Cooling 2 to 6 tons


  • Copper Tube-Copper Fin Condenser Coil
  • 316 stainless steel Cabinet and / or Base
  • Condenser Coil coating spray applied or hot dipped / baked applied
  • Fresh air stack
  • Modifications for Hazardous Area Locations
  • Custom Paint
  • CSA Third Party Certified
  • Multiple voltages 208 / 230-1-60, 208 / 230-3-60, 460-3-60 & 380-3-50

The air conditioning-pressurizes are certified by Nance International or they can be certified by CSA international to U.S. and Canadian standards for Class 1, Division 2, Groups C & D, T3 hazardous (classified) locations for the Pressurization System and the Outdoor (Condenser) section only when the indoor section in a non-hazardous area (non-classified).

the heating and cooling are the be energized only after the room has been declassified to a non-hazardous are by the pressurization part of the unit.

2-Ton 71in (1792mm) 33in (846mm) 33in (846mm)
2.5-Ton & 3-Ton 71in (1792mm) 38in (970mm) 38in (970mm)
4-Ton & 5-Ton 85in (2156mm) 42in (1069mm) 42in (1069mm)
  • Units are rated at 95°F ambient with 80°F.D.B and 67°F.W.B return air temperature.
  • Specifications are subject to change without notice

mpac specs

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Corporate Office

Tel: (409) 838-6127
2915 Milam St.
Beaumont, TX 77701