Friedrich SH20M50B 21,000 BTU Commercial Room Air Conditioner with 50 hz, 8.8 EER, R-410A Refrigerant, 7.0 Pts/Hr Dehumidification, Permanent Split Capacitor Motor and Sealed Refrigeration System: White

Hermetically sealed reciprocating compressor is cooled during the refrigeration cycle, which allows the unit to tolerate higher outdoor temperatures up to 130ºF/55ºC. Equipped with hot gas bypass for cooling operation at low ambient temperatures, down to 45ºF/7ºC without freezing

Robust engineering, commercial grade components and extensive field testing provide the durability and safety required in hazardous locations

Unit surface temperatures will not rise above 275°F/135°C. Hazardgard can tolerate higher outdoor temperatures up to 130°F/55°C. Unit will operate at low ambient conditions without freezing at outdoor ambient temperatures as low as 45°F/7°C

ElectroFin 5-stage, immersion ecoat process, or Diamonblue Advanced Corrosion Protection on 100% of metallic surfaces on the outdoor coil provides outstanding corrosion resistance protection and extends the life of the unit, especially in coastal or corrosive environments

Hazardgard's reliable design is backed by robust engineering. Used across the globe, Hazardgard is a tested and reliable product and not a quick-fix, job shop alteration

Hazardgard is designed with a slide-out chassis for more permanent installation and easier access for maintenance. Sleeve dimensions have remained the same for 20+ years for easy replacement. The unit installs in a window or through-the-wall