How does air duct cleaning work?

Cleaning air ducts can remove air pollutants, dust, mold, and other allergens from pipes. It is advisable to do this approximately every three years to keep the air and oven in your home healthy. When looking for a professional air duct cleaner, it is vital to check that it has been certified by the National Air Duct Cleaning Association (NADCA). First, the air passes through the filter.

Then, it passes through the evaporator coil. The air then passes through the blower wheel. Most of the particulates that are not removed by the filter get stuck in the evaporator coil or in the blower wheel; only a small amount of particulate gets into the ductwork. Secondly, a professional duct cleaning is an opportunity for the technician to check for leaks or, in the case of flexible ducts, kinks.

So, if you're considering cleaning your air ducts and enjoying even more of our warm spring in Alaska, be sure to call a local air duct cleaning professional to get the job done right. If you think duct cleaning might be a good idea for your home, but you're not sure, talk to a professional. The supply side and the return side are separated, and the duct cleaning process must be performed on each of them. To counter these bad experiences, reputable duct cleaning companies are willing to teach homeowners the standard cleaning methods of the National Air Duct Cleaning Association (NADCA).

You may consider cleaning the air ducts simply because it seems logical that the air ducts become dirty over time and be cleaned from time to time. If you decide to have your air ducts cleaned, take the same consumer precautions you would normally take when evaluating the competence and reliability of the service provider. Air duct cleaning service providers can tell you that they need to apply a chemical biocide inside the ducts to kill bacteria (germs) and fungi (mold) and prevent future biological growth. NADCA suggests cleaning the other parts of the HVAC system as well, such as the air handler fan motor, the evaporator coil, and the drain pan.

A duct cleaning contractor will likely have cameras that can further explore the ducts and show the full extent of buildup prior to cleaning. Contaminants that enter the home from both outdoor and indoor activities, such as cooking, cleaning, smoking, or simply moving around, can cause greater exposure to pollutants than dirty air ducts. These practices have not yet been fully investigated and you should be fully informed before deciding to allow the use of biocidal products or chemical treatments in your air ducts. A careless or improperly trained service provider can damage the ducting or heating and cooling system, possibly increasing your heating and cooling costs or forcing you to perform difficult and costly repairs or replacements.

An air compressor is used to clean the ducts by pushing all dirt and debris into the vacuum with a pressure of 250 PSI. These products are specifically designed for use in ducts or as ducts, and are tested according to standards established by Underwriters Laboratories (UL), the American Society for Testing and Materials (ASTM), and the National Fire Protection Association (NFPA).

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