An HVAC unit is one of the significant appliances in the modern world. Almost all have invested in it to get protection from the intense heat wave of the summer as well as the cooling effects of the winter. HVAC is a low to moderate maintenance appliance. However, repair service for a breakdown costs more. It happens if the HVAC unit is overlooked and is not maintained adequately. Since the fixing of the HVAC issue is more expensive than maintenance service, we at Velavi HVAC for a complete heating and air conditioning near Bellflower would like to provide the following tips to clients: