PACE Air Systems provides custom air handlers with a track record of exceptional reliability. The products are manufactured by Johnson Controls as part of the Johnson Controls’ product portfolio, which means that PACE solutions are the result of over 140 years of engineering experience.

Product Line

Every project is different, and not all of them require the cost or complexity of a custom air handling unit. PACE air systems offer the flexibility to meet your unique design requirements at the pace of performance, whether your project is for a school, a hospital, a commercial building, a manufacturing facility, etc. PACE equipment gives you the best of both worlds: a great level of customization with the reduced lead times, easy specification, and cost-savings found in cataloged air handlers.

Maximum Flexibility

The variable aspect ratio design of PACE allows configurations that are scalable in 3” height and width increments – from 27” x 27” up to 144” x 288”. This highly adaptable design optimizes the system footprint, freeing up valuable space in the facility.

PACE air handlers are available in airflow capacities from 2,000 to 60,000 CFM (@500 FPM coil face velocity), and there is a wide range of component and material choices, including:

  • Chilled water, hot water, glycol, steam and direct expansion (DX) coils in stacked, split, staggered, run-around and wrap-around arrangements
  • Stainless-steel interior panels
  • Structural steel unit base
  • Piping on either or both sides of the cabinet
  • A choice of corrosion-resistant coil coatings, copper fins and stainless steel coil casings for maximum durability in any location
  • Electric and indirect, gas-fired heating options
  • Multiple filtration options
  • Gas Phase
    • Photocatalytic oxidation (PCO)
    • Activated carbon
    • Bi-polar ionization
  • UV lights for coil surface decontamination or airborne disinfection
  • Airside economizer systems and energy recovery components
  • Flexible, factory-packaged controls with optional Metasys®BACnet controller

Outstanding Efficiency

By incorporating a series of extensively researched, PACE stands out in its class in any size or configuration.

  • Air-side economizer systems provide airflow control to bring in cool, outside air ahead of systems that require more energy
  • Direct-drive, variable speed fan systems optimize wire-to-air efficiency
  • Factory tested for guaranteed low air leakage

Product Features


  • AHRI 430 Certified
  • 1,500 – 60,000 CFM
  • Configurable cabinet sizes
  • 2″ foam injected, R-13 double wall panels
  • Galvanized steel exterior, galvanized or stainless steel interior lines
  • Aluminum tread plate flooring
  • Formed galvanized steel base rail
  • Configurable openings
  • Multiple unit configurations and split options


  • Forward curved, airfoil, plenum – AC & EC motors
  • Fan arrays and dual fans
  • Every fan and motor is factory-balanced to ensure minimal vibration


  • AHRI 410 rated water coils
  • Water, steam, glycol, and DX coils
  • Multiple fin and tube options
  • Staggered and split coils
  • Indirect face and bypass coil
  • Wrap-around heat pipes



  • MERV 1 through 18 (HEPA 99.99%) media
    • 1”, 2” and 4” thickness
    • Cleanable, washable or throw away
    • 12” or 21” bags
  • HEPA, high-efficiency, and bag filters

Energy Efficiency

  • Energy recovery wheels
  • Plate heat exchangers
  • Economizers


  • Factory mounted and wired VFDs
  • Factory mounted and wired end devices
  • Single point power
  • Lights/outlets


Additional Features/Options

  • Air blenders
  • Humidifiers
  • Gas and electric heat
  • Acoustical treatment

PACE Benefits

  • Faster installation and commissioning with factory installed and wired power distribution panels, motor controls, and controller-ready end devices
  • Designed to support extensive configurations that meet unique project requirements
  • Robust processes ensure that you get what you ordered
  • Validated compliance AHRI 430, 410, and 260
  • Best-in-class low leakage rates
  • Backed by an extensive network of application and service experts

PACE Innovations

PACE is packed with a combination of innovative features that only Johnson Controls could deliver:

  • Metasys® building management technologies provide control over how and when systems are running, including scheduling, occupancy detection, and trend summaries
  • Standard Building Information Models (BIM) to aid in design and engineering
  • Permanent-magnet EC motors systems (energy efficiency, easy installation and commissioning,  and reduced footprint)
  • Service-friendly features: slide-out coil stacking racks with removable coil pull wall panel, raised coil supports for easy drain
    pan access, motor removal rails, inward-swinging doors and inside door handles
  • Proprietary Acoustiweir™ technology minimizes sound in critical frequencies
  • Advanced, ETL-listed factory-integrated electrical features include:
    •  Individual motor disconnects for multiple fans
    • Single-point power  DDC controls
    • Interior LED lighting
    • Single or redundant motor controls
  • Two-inch double-wall construction with EcoMate® injected foam insulation
  • Health-minded options including UV lighting, antimicrobial coatings, and multi-sloped drain pans
  • Stainless-steel liners ensure longevity and reliability in more extreme environments
  • Structural steel bases reduce rigging effort while allowing for larger, one-piece units

To learn more about PACE and its solutions, click here.