• 83.00 General117
• 83.10 Ventilation1
• 83.20 Heating7
• 83.25 Automatic heater3
• 83.30 Air conditioning28
• 83.40 Air conditioning (automatic)18
• 83.55 A/C compressor13
• 83.65 Refrigeration units1
• 83.70 Auxiliary/supplementary heater22
• 83.80 Fragrance system4