An HVAC has a limited period to work efficiently and reliably. To keep it in the workable condition, it does require regular maintenance. It is the maintenance that assists the HVAC from preventing breakdowns and maximizing performance. Coil cleaning is one of the significant aspects of maintenance. Here two types of coil matters: condenser coil and evaporator coil. The issue with the coil is that it accumulates dust, pollen, and moisture due to air movement. Thus these accumulated contaminants reduce the surface area meant for heat transformation. As a result, efficiency gets reduced and at the same time, the HVAC consumes excess energy. At Velavi HVAC forheating, ventilating and air conditioning near Lakewood, we have trained HVAC technicians to provide condenser and evaporator's coil cleaning service. Our technicians provide maintenance service based on space size, age, and capacity of HVAC. We do the cleaning job safely and handle the materials properly. Otherwise, this service has its share of risks in terms of shock and fire hazards. In our service, we protect the area of the HVAC unit to avoid damage. A lot of cleaning methods are used such as: