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In light of the global Coronavirus pandemic, focusing on cleaning and disinfecting buildings has become increasingly important. While air filters may be the first thing that comes to mind, duct cleaning and maintenance is often overlooked.

PATHOGENS

Pathogens (viruses, bacteria, or other microorganisms that can cause disease) can build up in your HVAC system and possibly be carried throughout your ducts. Duct contamination is even more likely when they rely on cooling towers or chillers that are improperly maintained. Since so many buildings are either empty or mostly empty for the foreseeable future, now would be an opportune time to maintain, clean, and disinfect your systems to get them running in tip-top shape for the upcoming summer months.

MOLD

Another common problem in Houston’s humid, hot climate is the growth of mold and mildew in your HVAC system, usually in ducts. These contaminants flourish in environments with little to no light and a steady source of air and water to help them thrive. Sounds like your HVAC ducts, right? If mold and mildew are allowed to grow within your system, your filters could quickly lose their effectiveness. This could cause your system to run less efficiently and expend more energy. More energy usage equals increased operating costs and no one wants that, especially right now while your resources are needed elsewhere.

CHEMICALS

Just because you do not work in a building that handles toxic chemicals or hazardous waste, does not mean that chemicals cannot still foul up your HVAC system. Some things to look out for include substances such as allergens, ozone, and formaldehyde which can all cause breathing problems. The latter two fall into a category known as volatile organic chemicals (VOC). Copiers, printers, permanent markers, and adhesives can all emit these compounds, as can some rugs and carpets, paint, pesticides, and cigarette and vape smoke.

POLLUTION

Pollution manifests in many different forms including smog, dust, dirt, etc. The pollution that lingers inside your building and affects the operations of all the HVAC components within your system can be attributed to poor ventilation. An example of a ventilation issue would be excess humidity, which is where a dehumidifier would come in handy to prevent mold and mildew while your issues are being repaired.