On average a typcial home (1000-3000 sq ft) takes 1 ½ - 2 hours to clean with two professionally trained technicians. This routine process is highly effective in removing the buildup of dust, dirt and harmfull contaminants from the duct system, while performed in a way as to ensure that no dust or debris enters your home. The extraction of these unwanted substances allows for better air circulation within your home as well as a more efficient furnace operation and most importantly, healthier air.


Upon arriving at your home the technician will ensure that the HVAC system is turned off prior to the cleaning.

  1. The procedured starts by connecting an 8” vacuum line into the supply section of the duct work near the furnace, using access panels. Unlike some competitors SADC does not charge extra for making access panels.
  2. The system is then sealed using magnetic strips covering all supply and return grills, allowing for concentrated suction.
  3. Once the truck mounted vacuum is turned on the system is then put under a negative pressure and the cleaning process begins.
  4. High pressured air (250psi) is forced through each individual supply vent.
  5. This process is continued until all supply vents are adequately cleaned. The vacuum is then switched to the return section of duct work and the procedure repeated with all return vents.
  6. Following the air washing of all supply and return vents, the technician continues the cleaning in the basement where special tools are inserted into the duct system through a series of 1” holes. These tools agitate the dust and direct it towards the vacuum and out of the home.
  7. Both the air conditioning coil and furnace are cleaned to finalize the cleaning procedure.
  8. All access panels and 1” holes are sealed air tight and the system is turned back on to its original settings.

All cleaning procedures follow NADCA regulations



Within a duct system the combination of moisture and heat creates an accumulation of bacteria (mold & mildew) which may cause an unpleasant living experience. A sanitizer may be recommended in certain instances where evidence of growth is visible. The sanitizer used is specially fomulated to kill 99.9% of all bacteria within the duct system, while being home safe. The solution is applied at the end of the cleaning process using a fogging machine that disperses a powerful mist within your entire duct system. The system is then turned on to allow for the sanitizer to circulate.



Air duct cleaning packages

Superior A.D.C offers two difference packages for your clean air needs. We've provided a clear side by side chart of our two primary residential packages. For further information please contact us for more information.

Service check list Whole home package Platnium Package
System evaluation prior to starting cleaning √  √ 
System sealed prior to starting cleaning √  √ 
System put under negative pressure air using truck mounted high pressure vacuum √  √ 
Supply vents are blown clean using high pressure air √  √ 
Supply vents are hand washed   √ 
Supply lines are blown using 250 psi forcing debis into main system √  √ 
Supply lines contact agitated (brush) forcing debris into main lines   √ 
Return Grills are blown clean using high pressure air √  √ 
Return grills are hand washed   √ 
Return lines are blown using 250 psi forcing debris into main system and drop boxes √  √ 
Return lines are contact agitated (brushed) forcing debris into main system and drop boxes.   √ 
Main supply runs are agitated (brushed) and air racked removing debris √  √ 
Main return lines/drop boxes are agitated (brushed) and air racked removing remaining debris √  √ 
Furnace cleaned and A/C coil blown clean. System accesones inspected √  √ 
System sanitized against mold, mildew odour causing bacteria √ 
Additional Cost
System professionally sealed, turned on and tested for proper operation √  √ 



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