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Using Chemicals in Cleaning HVAC Systems: An Expert’s Opinion

Posted on July 26, 2012
by Wendy Stackhouse


We get a lot of great information from listening to the shows at IAQ Radio and this week’s show is no exception.

This week their guest was Dan Stradford from the NADCA talking about using chemicals to clean HVAC systems. We prefer using heat, so we were interested to hear what Dan had to say.

Did you know…

“Right now there is no chemical that has been registered for sanitizing or disinfecting ductwork.”

Chemicals used to clean the coils or the drain pans, “When you use them in the duct system, they are not classified as sanitizers or disinfectants.”

Chemicals called “Stats” can be used to “curb microbial growth” but you cannot disinfect or sanitize with these algistats, fungistats or bacteriostats. Any company that claims to be able to “sanitize” or “disinfect” ductwork in particular with chemicals is putting out misleading information, according to Mr. Stradford.

When you are choosing a company to clean your HVAC system and your ductwork, be sure to ask whether they use chemicals to sanitize or disinfect the ducts. A reputable company will say “No, we can curb the growth but we cannot do those things with chemicals.”

High temperatures, however, can in fact sanitize AND disinfect ducts and AirTek offers ThermaPureHeat treatment to ensure that not only your coils and drain pans, but also your entire duct system are sanitized and bacteria and mold spore free. ThermaPureHeat also has the advantage of leaving no chemical residue or volatile organic compounds behind to pollute your indoor air AFTER cleaning your HVAC system.

If your HVAC system needs to be sanitized and disinfected, heat is your best choice for thorough cleaning and safety.

Dan Stradford

Listen to the entire episode here.

We thank the folks at IAQ Radio for their terrific show this time and every time!

Wendy Stackhouse is the Online Community Manager for AirTek Indoor Air Solutions and our affiliate Alliance Environmental Group. We welcome your comments! For more news and tips or to ask questions of our experts, Like us on Facebook and follow us on Twitter! For updates on environmental services like mold remediation, lead removal and pest control including bed bugs, Like us at Alliance Environmental on Facebook or follow Alliance on Twitter!

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