The furniture and assets are covered by a plastic sheet in order to protect from dust and dirt.
Thoroughly cleaned supply returns, and exhausts fans and blowers.
Cleaned the grills, coils, drain pans by scrubber and chemicals.
The source removal process (physical removal of contaminants and debris from the internal HVAC system surface) is used to clean the duct.
A duct sweeper in conjunction with the HEPA Vacuum system is used to clean the inside the duct.
Vacuum Collection: brushing and hand vacuum is used to collect the physical contaminants inside the duct.
Pen Duct Window
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A proper window is opened for the access of the cleaning machine into the duct and cleaning is done as per previous steps.
Close Window
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The window is closed properly after cleaning with a steel sheet and sealed with a fire-rated sealant (silicon) and aluminium tape.