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Indoor air quality is a growing problem among residents in Chapel Hill, North Carolina, and across the nation. The air you breathe within your own home could be more polluted than the outdoor air, resulting in a number of health symptoms. Some of the factors that impact your home’s indoor air quality include chemicals, contaminants, humidity and carbon dioxide.


Many of the products we use in our homes contain chemicals, also known as volatile organic compounds (VOC). Some of these VOCs are more harmful than others, causing the quality of the air you breathe to drop. Cleaning products, aerosol-based fragrances, paints, solvents, and wood preservatives contain higher levels of VOCs, so try to stick to natural products as much as possible.

When you do paint or do craft projects involving wood preservation, do it outside or keep these products in a well-ventilated area.

Contaminants and Allergens

Outdoor allergens and contaminants also impact your home’s indoor air quality. These may include pollen, dust, pet hair, grass, and dander. If you’re not replacing your HVAC filter often enough, it may not be able to prevent these contaminants from settling in the ducts. Regular duct cleaning and filter changes can help reduce these allergens.


Too much moisture can cause biological growth, leading to the presence of spores in your home that can cause symptoms such as congestion, headaches, and throat and eye irritation. Using a dehumidifier can reduce the moisture level in your home.

Carbon Dioxide

Carbon dioxide is an odorless gas that can cause significant health problems for those who are exposed to it. Your HVAC system contains carbon dioxide, but it shouldn’t escape the unit unless you have a leak. Use a carbon dioxide detector in your home to alert you if the level of this gas reaches a dangerous level. Also, make sure you have sufficient ventilation in all areas.

At A&E Heating and Air Conditioning, we offer a variety of indoor air quality solutions, so contact us for more information at (919) 823-5992.

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