R Series

Room Air Conditioners


Window unit air conditioners and heat pumps for use in hazardous locations and industrial applications


  • *Certified by CSA (bearing the CSA mark) for compliance to applicable codes and standards
  • 100% re-circulated indoor air
  • Self-contained with integral controls
  • Spark resistant construction
  • EPA approved, HFC type refrigerants
  • Tool-less access to return air filter
  • Fully insulated supply plenum for quite operation
  • Protective coatings for prolonged life of cabinet and chassis


  • Nominal cooling up to 3 tons
  • Heat pump operation [WARNING: heat pump systems are not suited for heating operation in ambient temperatures lower than 45°F (7°C)]
  • Steam heating coil with connections
  • General purpose electric heat for purged cabins
  • Single phase operation in 60 or 50 Hz applications
  • Available for operation in various non-hazardous and hazardous rated locations
  • Type 304 or 316 stainless steel cabinet and chassis for corrosion protection
  • Corrosion resistant coatings for refrigerant coils and tubing (proven to withstand 10,000 hours of salt spray test)
  • Protective component coatings for prolonged life in corrosive environments
  • Auto-changeover heat/cool thermostat for unattended, year-round comfort
  • Low volume fresh air intake (for barometric relief only)


  • Storage sheds, analyzer shelters
  • Guard shacks, operator cabins, portable offices, living quarters, and other small, manned enclosures & buildings


*Certification may not apply to all configurations. Please contact our technical sales department for more information.