Experts recommend cleaning the air ducts every 2 to 3 years to avoid many maintenance and health problems before they start. However, households with pets or children with allergies should professionally clean their air ducts more often than the recommended average. You can 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. As long as cleaning is done correctly, there is no evidence to suggest that such cleaning is harmful.
EPA does not recommend that air ducts be cleaned routinely, but only when necessary. However, the EPA recommends that if you have a furnace, stove, or fireplace that burns fuel, it be inspected for proper operation and serviced before each heating season to protect against carbon monoxide poisoning. The recommendation for air duct cleaning is every three to five years. But it depends on several factors.
Location, weather, and HVAC usage affect air duct cleaning frequency programs Other issues, such as mold and disease, can also be a sign that ducts need to be cleaned. Learn more about air duct cleaning to understand how often you should do it. Controlling humidity is the most effective way to prevent biological growth in all types of air ducts. Although it intuitively makes sense to clean the ducts, after all, you dust and clean the rest of your house, the fact is that the dust that settles on your ventilation system usually stays where it is, it is unlikely to disperse into the air unless you are disturbed.
If your home has a musty smell that you can't find the source of, it could be a sign that your air ducts need cleaning. In addition, there is no evidence that a small amount of household dust or other particles in the air ducts poses any risk to your health. If air ducts are not cleaned regularly, these contaminants and contaminants will spread throughout the house. Manufacturers of products marketed to coat and encapsulate duct surfaces claim that these sealants prevent dust and dirt particles inside air ducts from being released into the air.
A good HVAC duct cleaning service should have properly sealed all the vents and is there to improve air quality and not make it worse. In the latter case, you may want to invest more often in cleaning the air ducts to avoid allergic reactions. Whether or not you decide to clean your home's air ducts, it's essential to commit to a good preventive maintenance program to minimize duct contamination. While there are some benefits to cleaning and maintaining HVAC equipment, that benefit is relatively small and the little energy waste can be attributed to dirty ducts or equipment.
Researchers at the Environmental Protection Agency measured dust levels and efficiency of the HVAC system in test homes over a week period during the cooling season and found that cleaning the ducts did not significantly improve dust levels or performance Just make sure you clean ducts when there is visible mold, signs of pests, or excess dust and debris entering rooms. However, the EPA takes a different stance, noting that cleaning the ducts has not been shown to prevent health problems. It is possible to have clean ducts and still have dust, dander and allergens flying around the house. Sealants should never be used on wet duct lining, to cover actively growing mold or to cover debris in ducts, and should only be applied after cleaning in accordance with NADCA or other appropriate guidelines or standards.