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NADCA Position Paper on the Use of Chemical Products in HVAC ...

NADCA Position Paper on the Use of Chemical Products in HVAC ...

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DeodorizersDeodorizers remove or mask unwanted odors <strong>in</strong>sidean <strong>HVAC</strong> system or build<strong>in</strong>g. Four types <strong>of</strong>deodorizers are comm<strong>on</strong>:1. Receptor blockers block scent receptors <strong>in</strong> <strong>the</strong> nose fromdetect<strong>in</strong>g certa<strong>in</strong> odors.2. Oxidizers chemically comb<strong>in</strong>e with (oxidize) sources <strong>of</strong>odors <strong>on</strong> surfaces.3. Air sanitizers <strong>in</strong>activate odor-caus<strong>in</strong>g microorganisms.4. Mask<strong>in</strong>g chemicals overwhelm an odor with ano<strong>the</strong>rscent.

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