45.33D lnstallation of heating, ventilation and air-conditioning systems List of keywords Corresponding NOGA2008 codes air-conditioners, industrial use; cooling devices; fire detectors; heating equipment; refrigeration equipment; solar energy collectors; solar heating; sprinkler systems; ventilation equipment; ventilation systems Corresponding NOGA2008 codes 432204 lnstallation of heating, ventilation and air-conditioning systems