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This series of steps and pictures is designed to give a general overview of the major steps required to clean and decontaminate a residential furnace/air conditioner and its associated duct system.
Steps 1
The system will be tested for proper operation, then the power will be disconnected for safety
purposes
The interior of the furnace/air conditioner will be vacuumed
The cooling coils will be cleaned with a HEPA vacuum and a coil cleaner
The blower unit will be cleaned
An automist fogger will be used to decontaminate the interior surfaces with Sporicidin,
an EPA registered biocide.
Step 2
The wall, ceiling, and floor registers will be removed
Registers will be washed with Dynamite cleaner and rinsed
The supply duct opening will be blocked with foam register plugs
The filter will be placed in a plastic bag and installed in the return to block the air flow
Step 3
A HEPA air duct specialty system will be connected to the air duct
A powerful brush will aggressively remove duct debris or an air-powered tool can be sued to remove
purposes
duct debris more gently
Ducts will be fogged with Sporicidin, Soot Set sealant, and an Odor Kill deodorizer
Step 4
The filter from the return should be replaced with an electrostatic air filter
Registers will be reinstalled
Solid Odor Kill should be placed in the return to control odors for up to 3 months
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