HVAC Health
filter . However , take note that these parts being clean doesn ’ t necessarily mean that you ’ re free of mould . Ducts , ventilation shafts , and other less easily visible areas may hide mould too .
The best way to be absolutely sure about whether or not you have a mould problem is to hire a professional to run individual tests in the space . In addition to confirming whether the mould is a problem , experts can return to the property after any moulds removal to retest and help make sure that you ’ re in the clear . If you ’ re looking for a professional to help you test for mould in your house , try to find individuals or companies who follow standards such as those created by the American Conference of Governmental Industrial Hygienists or the American Industrial Hygiene Association .
Your best bet with a central air system connected to HVAC is to contact a professional and let them remove the mould . Such a complicated job requires special tools in order to ensure that it ’ s done thoroughly and that the air conditioning and ventilation systems are not damaged .
The Environmental Protection Agency ( EPA ) recommends making sure that you choose an individual or professional who sticks with the NADCA ( National Air Duct Cleaners Association ) standards when finding someone to help you remove mould from a property ’ s AC unit ( s ). Do your research to find someone who complies with those standards and has a history of reliable , highquality work . RACA
HOW TO GET RID OF MOULD IN AN AC SYSTEMS If you ’ re using a standalone AC unit and discover mould in it , the solution is relatively simple , if a little spendy : throw it out and buy a new one . Things are a bit more complicated if you have a central air system . Merely replacing the air conditioner in your central air system is not enough , as it ’ s entirely possible ( and even likely ) that mould has already spread through the HVAC ducts connected to the AC system by the time that mould has been discovered .
" Parts being clean doesn ’ t necessarily mean that you ’ re free of mould . Ducts , ventilation shafts , and other less easily visible areas may hide mould too ."
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RACA Journal I November 2022 www . refrigerationandaircon . co . za