In residential sector, we often have small duct sizes which in most cases contains dust, bacteria, fungi, petís dander, smoke, emission of carbon monoxide while cooking, molds etc. That could affect your health and HVAC system performance. We offer free survey to inspect your HVAC system. In case the duct needs to be cleaned, our certified technicians will take care of it. You will be provided with before and after images and videos of your HVAC system. According to standards every house should be cleaned every 3 years. Our service charges depend on the size of the duct. Small villas would generally take 1 or 2 days while big villas and residential building would take from a week to a month.