In addition many
Contractors also offer:
• System sanitizing.
• Dryer vent cleaning.
• Installation of UV
lights
NADCA has also
published a document
called ACR 2006 –
Assessment, Cleaning
and restoration of HVAC
Systems. This
document is the basis
for many commercial
cleaning specifications
today. These
commercial
specifications spell out
what is required on that
project. Typically you
need to clean anything
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