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+LA+Air+Conditioning+Contractors,+Victory+Boulevard,+Canoga+Park,+CA,+USA&mode=driving" width='100%' height='600'> hvac unitSuitable ventilation is essential for your HVAC system’s efficiency and longevity. Make sure that all vents and registers are unobstructed to permit for correct airflow.The average lifespan of the HVAC system will vary based