According to a study carried out by the National Air Duct Cleaners Association (NADCA), indoor air is more polluted on average compared to outdoor air. The study also pointed to the fact that an average 6-roomed house has the capacity to collect up to 40 pounds of dirt, dust, and allergens each year within its air ducts. Since dust mites reside in these ducts, a dirty ductwork can easily harbor microbes which cause health problems.
The Threat of Asthma and Allergens
When dust, dirt, pet dander, and other allergens accumulate in the ductwork, it’s usually blown away by AC fans and scatters in the indoor space. The dust forms the primary food source of dust mites which in turn cause allergic conditions such as skin reactions and respiratory illnesses including asthma. In order to guard your family against these illnesses, you should have your air ducts cleaned regularly by professionals.
Signs Your Ductwork Requires Cleaning
There are telltale signs that your air ducts are dirty ducts hence requiring professional attention. These are:
- Dirty vent covers and supply
- Dark filtration lines on walls, carpets, and ceilings that are surrounding air vents
- Excess dust in the house
- Airflow or temperature variance within your home
- Excessive energy cost to maintain your HVAC system
How Often Should You Clean Your Air Ducts
Every home is different. There are various factors that determine the frequency of air duct cleaning. According to NADCA, these are:
- Pet dander
- Tobacco smoke
- Damaged HVAC system
- Home renovation
If you home has pets and/or someone who smokes, your air ducts should be cleaned regularly. Additionally, if you recently had remodeling projects in your home, ensure the ductwork is cleaned after the exercise. NADCA also recommends regular air ducts cleaning if your heating, ventilation, and air conditioning unit is damaged.
Professional Duct Cleaning Services
If you decide to hire HVAC experts to clean your ducts, ensure they are NADCA-trained and NATE certified. When your ductwork is not attended for a long time, debris, dirt, and dust accumulate on its channels and this restricts the free flow of air. This causes your HVAC system to go an extra mile in order to circulate air in your indoor space. This increases your energy bills.
Some companies have a unit that is dedicated to ductwork cleaning. Such a unit normally undertakes a thorough and extensive cleanup process which includes the removal of vent covers for cleaning using specialized equipment. All the corners and bends within your ductwork are accessed and cleaned giving you a fresh and free-flowing internal environment.
Insist that the air duct cleaning materials used have low to zero VOC levels. Using materials that are safe and which guarantee you a pollutant-free indoor space, is beneficial not only to you but also your family.