Wall Mount HVAC Units

Tru-Temp™ Wall Mount HVAC Units

Northern Air Systems Tru-Temp™ Wall Mount HVAC Units are designed and manufactured for the highest reliability in over-the-road applications. They are direct replacements for Bard and Marv Air HVAC Units.


  • Drilling Equipment
  • Driller Cabins
  • VFD Houses
  • MCC Rooms
  • Living Quarters


Northern Air Systems Tru-Temp™ Split Systems are designed for extreme temperatures from -40⁰ F to 131⁰ F and have one of the lowest fail rates in the industry. They feature the following:

  • Rugged construction provides dependable cooling in the most demanding environments
  • Designed for 24-hour operation in high load demands, from -30° to 125°F
  • Available in painted stainless steel construction with marine coatings
  • Available with coated coils and explosion proof applications
  • Available in worldwide voltages


  • Remote panel
  • Purge and pressurization
  • Regular filtration
  • Coated coils
  • Stainless steel finish
  • Lead lag operation
  • Worldwide remote monitoring via cellular
  • Customized programming
  • Custom filtration packages

Optional Certifications

  • Class 1, Division 1 & 2, Groups B, C & D
  • NFPA 496 Purge and Pressurization
  • ATEX
  • IECEx
  • GOST
  • Zone 1, Zone 2
  • UL and CSA
  • Intertek