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The Master Group sells only in Canada.

Old Models


  • All model sizes share a common, compact design cabinet in a single footprint for on-site flexibility
  • Installation time and costs are reduced by easy power and control wiring
  • All units are factory wired, charged with R-22, and tested prior to shipment
  • Electric utility knockouts are provided on unit side and bottom for easy connections
  • Convertible airflow design means no panel cutting is required, and no accessory panel is necessary
  • Condensate pan is non-corrosive, long-lasting, and watertight
  • Condensate drain is heavy-duty
  • One-inch NPT copper connection is rigidly mounted for a proper fit and a tight seal
  • Durable finish, made of powder-painted, galvanized steel to meet 1,000-hour salt-spray test demands
  • Full-perimeter base rails are easily removable, yet provide a solid unit foundation
  • Engineered and built to be among the quietest
  • Compressor is internally protected against high pressure and temperature
  • Grooved copper tubes and enhanced aluminum-fin construction improve heat transfer
  • Secured service access ports are protected, externally mounted, and reusable on both high and low lines
  • Complete line of field-installed accessories, including economizers, single- and dual-enthalpy sensors, and more

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