vrf against the background of a kerpic wall on the roof

air background blue boxes brackets brick ceiling climate cold component compressor condenser condition conditioner conditioners conditioning control cool cooler cooling design diagnose diagnosis electrical electricity equipment failure fan filling fog freon gauge gauges gift green illustration install installation job maintenance measure measurement meter multi outdoor pink pressure professional red refrigerant refrigerator refueling render repair roof sensor service split support system technician technology temperature three troubleshoot unit vacuum ventilation vrf vrv wall