• 83.00 General129
• 83.10 Ventilation36
• 83.20 Heating5
• 83.25 Automatic heater38
• 83.30 Air conditioning51
• 83.40 Air conditioning (automatic)36
• 83.55 A/C compressor24
• 83.65 Refrigeration units1
• 83.70 Auxiliary/supplementary heater174
• 83.80 Fragrance system8