Experts agree that moisture should not be found in ducts and that if moisture and dirt are present, there is a potential for organic pollutants to expand and spread throughout the house. Control of moisture is the most efficient way to avoid biological growth in all types of duct. Dust and dirt reduce flow and the working condition of a furnace duct. Cleaning your duct is not as easy as you would think, therefore specialized equipment is required. It is advisable to get a professional to do the job. At Vsteam, our team of expert are always available at your service.