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Mold growths often cause discomfort and make indoor areas less pleasant to inhabit. When spores collect in your HVAC system, they can circulate through your home, diminishing the quality of your indoor air and potentially leading to allergic reactions and asthma attacks. Below, you’ll learn more about how to tell when you have mold in your HVAC system and how to remove harmful microbes. 

4 FAQ About HVAC Mold 

What causes mold to grow?

Mold spores require moisture to germinate and reproduce, which is why they favor damp environments. When warm air comes into contact with cold surfaces on air ducts, vents, evaporator coils, and drain pans, condensation can develop, creating a breeding ground for mold.

What are some signs of buildups?

When mold grows on your HVAC components, you might notice a stale or musty odor, especially while your system runs. Additionally, you might see mold buildups on air vents and ductwork, or on the walls around them.

How can I prevent mold?

HVACHVAC systems that are too large for your space run for short periods, preventing them from removing excess humidity, which leads to mold growth. Make sure your unit is the right size. Most systems heat and cool about 400 square feet per ton. 

Additionally, slope the pan so that moisture can move into the drain line rather than sit and grow mold. Seal ductwork to prevent warm air from entering the tubes and causing condensation formation. Use HEPA filters to trap microscopic mold particles and keep them from recirculating. 

How does mold removal work?

Since exposure to mold can cause allergic reactions and illnesses, a professional should remove it. They’ll start by covering the vents and shutting off the HVAC system. Then, they’ll remove any standing water and replace ductwork or insulation affected by mold.

They’ll use protective coverings to isolate sections of your vents, walls, and HVAC components, cleaning them individually to prevent spores from spreading. Lastly, a technician will fog the area with disinfectant to remove any airborne spores. 

 

Keep your HVAC system clean and mold-free with maintenance from Ashland Furnace Co. This heating and air conditioning contractor provides HVAC repairs and indoor air quality tests to homes and businesses throughout Ashland, KY. Call (606) 325-3211 to set up an appointment for repairs, and visit the website to learn more about the benefits of air purifiers for home health. 

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