Product Spotlight: Eliminate HVAC Odors and Improve Indoor Air Quality

At CRT, we developed the following solution to help buildings maintain positive indoor air quality, and avoid odor problems originating in the HVAC system.

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Practically all items inside of buildings contribute to indoor air quality. Everything from carpeting to office equipment release gases and particles known as volatile organic compounds (VOCs). However, the most referenced cause of indoor air quality concerns by tenant and workforce populations is the HVAC system.

These concerns are a result of the strength and frequency of undesirable odors being disseminated by HVAC systems. Contaminated outside air, bacteria and mold are thought to contribute to many health issues. Unfortunately this is quite common, as the interior of HVAC systems provide the perfect growth environment for spores to become active. Along with providing a dark, temperature-controlled area, HVAC systems remove moisture from the atmosphere providing mold spores with water, and remove dirt and debris providing mold spores with food.

At CRT, we developed the following solution to help buildings maintain positive indoor air quality, and avoid odor problems originating in the HVAC system. By using these products, air handler units can remain clean and disinfected. Additionally, the time between cleanings and the life of the unit itself can be increased, and the chance of poor indoor air quality can be dramatically decreased.

CleanAC Kit
The CleanAC Kit is an annual, four-step application process that rids HVAC air handler units of buildup and accumulation by cleaning, sanitizing and protecting both the evaporator coil and condensate pan. It is generally applied in the spring or summer months when condensate pans accumulate moisture, and in systems requiring a thorough cleaning.

The first step is to apply Instant Powder Kegs coil cleaner to clean the evaporator coil of deposit buildup. Instant Powder Kegs is a concentrated cleaning powder, that is mixed with water at the job site, saving users expensive and unnecessary shipping charges. Instant Powder Kegs removes dirt and odor-producing build up that hinder the efficiency of HVAC systems.

The second step is to apply Fast Attack to sanitize the coil, and remove any odor-causing algae, fungus, bacteria or mold. Fast Attack is an EPA-registered, concentrated antimicrobial that cleans as it sanitizes. Iodine was chosen as the active ingredient, as its effectiveness is well known and widely used in hospitals and laboratories.

The third step is to apply First Strike Micro Coat to the coil surface to protect against future buildup of dirt and contamination. First Strike Micro Coat provides a clear molecular barrier (less than one micron), that does not inhibit heat transferability. Because First Strike Micro Coat has been extensively evaluated, it performs without maintenance attention for a year or more. This decreases redundant labor costs and coil cleanings, and keeps coils performing at optimal energy usage.

The fourth step is to place a PanGuard timed-release strip in the HVAC condensate drip pan. PanGuard is a blending of wetting agents and dispersants that eliminates clogs and overflows due to deposit accumulation. By protecting the unit using a timed-release product, it will continue to work even after staff have completed maintenance, for up to six months. This in turn, protects against costly water damages that can occur.

The CleanAC Kit is available in three different sizes for both residential and industrial needs. These sizes are 3-5 tons, 10-15 tons and 20-25 tons. By using this kit annually, one can be assured that HVAC air handlers remains clean and protected year round.

If you have an experience you would like to share, or want to talk more about this blog, please leave your comments below.

Jonathan Dunagin, Marketing Director of Controlled Release Technologies, Inc. located in Shelby, North Carolina. More information about the company, and its products, can be found at and by calling (800) 766-9057.

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