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When Mold Infiltrates Your Air Ducts

Air conditioner system with dirty condition

Ventilation systems can harbor germs and lead to poor indoor air quality. Your air duct system could be circulating dust, pollen, unpleasant odors, debris, and other contaminants. The National Air Duct Cleaners Association recommends getting your air ducts cleaned every three to five years. Is it time for you?

Air Duct Contaminants

Visual clues, like signs of mold and excessive dust around the air vents, can point to a need for cleaning.

Special Situation– Mold

If there is substantial visible mold growth inside hard surface (e.g., sheet metal) ducts or on other components of your heating and cooling system, you must get professional help to clean all the components in the system.  Many sections of your heating and cooling system may not be accessible for a visible inspection, so ask the service provider to show you any mold they say exists. If the insulation got wet and cannot be effectively cleaned, it should be removed and replaced.

Other Situations

Additional factors that might require your ducts and HVAC system to be cleaned are :

  • Renovation: If your home has been remodeled, especially if there was asbestos or lead paint removal; if ducts were not sealed off during home renovations,
  • Poor Home Condition: Dusty build-up around the outside of the vent register; excessive debris around the filter area; noticeable bursts of rubbish exiting supply registers
  • Animals: Pets hair (certain breed or worse than others), if evidence of animal infestation/ nesting, have the animals removed then clean the system
  • Special Health Concerns: When chemical irritants have spread through the house; if residents continuously experience severe allergic reactions in the home

Take The Time

Usually, a service provider will use specialized tools to dislodge dirt and other debris in ducts, then vacuum them out with a high-powered vacuum cleaner. Typically, a 2,000-square-foot home will take about 3 to 5 hours. In fact, a rushed, an inadequate job can do more harm than good. According to the EPA, an inadequate vacuum collection system can release more dust, dirt, and other contaminants than if you had left the ducts alone.

K-tech Kleening Can Handle It All

The certified K-Tech team has special equipment to inspect and clean every air duct within your home, removing dust, pollen, and even the smallest contaminants.  K-tech Kleening industry-certified technicians can restore healthy indoor air quality with state-of-the-art cleaning equipment and process:

  • Inspect – K-tech inspects ductwork using video equipment to identify contaminants.
  • Protect – Protect facility or home and furnishing by covering all registers.
  • Creation – Creation of access hole into the property’s HVAC duct and flush the system with a stream of air moving at 75 mph, towards the vacuum which removes debris.
  • Loosen – Loosen air contaminants with various brushes and air-powered tools, while the forced airflow pulls contaminants into a large environmental vacuum.
  • Clean & Sanitize – Clean and sanitize every air register.
  • Test – Test the newly cleaned duct system.

To keep your family’s home safe from mold, K-tech Kleening can help. Air duct cleaning is only one task that the team of highly trained and certified technicians can handle any job, big or small. K-tech serves customers in Rhinelander and Central Wisconsin with a fleet of vehicles to outlying rural and metropolitan locations. Call 715-496-2955  or visit

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Please contact us by filling out the form below or give us a call at 800-215-8324.