How Do We Follow Proper HVAC Cleaning Process

HVAC Cleaning

EPSCO India is offering HVAC Cleaning Service since a decade. We are the members of NADCA. According to the NADCA standards, we follow two methods to clean HVAC cleaning: breaking contaminants loose, and collection of contaminants.


Properly cleaning of HVAC systems requires removing the sources of contamination. Source removal begins with the use of one or more agitation devices designed to loosen contaminants from the surfaces within the HVAC system. Examples of agitation devices include brushes, air whips, and compressed air nozzles or “skipper balls.” Agitation can also be achieved through hand-brushing or contact vacuuming.


During cleaning, the entire HVAC system is placed under continuous negative pressure (vacuum) to prevent the spread of contaminants. The continuous negative pressure removes very fine particles from the HVAC system as they become airborne, ensuring that these particles are not released into the room when the system is turned on after cleaning. This negative pressure also serves to extract the loosened contaminants, which are collected and removed from your commercial premises.

During HVAC Cleaning, source removal is the only effective way to rid your office HVAC duct of particulates and contaminants. EPSCO India adheres to the duct cleaning standards for source removal set forth by the National Air Duct Cleaners Association (NADCA). We use advanced techniques and state of the art equipment, including our robotic duct cleaner that actually records the duct cleaning process.

In addition to normal accumulations of dust and dirt found in all commercial premises through regular use, there are several other factors that can increase the need for HVAC duct cleaning:

  • Occupants with allergies or asthma
  • Cigarette or cigar smoke
  • Water contamination or damage to the office / HVAC system
  • Office renovation or remodelling projects

Some office occupants are more sensitive to these contaminants than others. Allergy and asthma sufferers, as well as young children and the elderly, tend to be more susceptible to the types of poor indoor air quality that HVAC duct cleaning can help to address.

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