Did you know that indoor air can be as much as 100 times more polluted than outdoor air? The U.S. Environmental Protection Agency (EPA) ranks poor indoor air quality among the Top 5 environmental health risks.
Homes with older heating and cooling systems, and newer homes that have been built to be more “air tight” both are susceptible to poor indoor air quality. Indoor air can be loaded with contaminants and allergens that cause respiratory problems such as asthma and sinusitis.
Ventilation System Maintenance
HVAC systems cool/heat and circulate the indoor air in your home. House dust, the worst offender for causing indoor allergy and asthma symptoms, gets trapped and collects inside ventilation systems resulting in decreased efficiency of your system (causing more run time) and the increased possibility that your system is circulating and adding to the indoor air pollution in your home.
High humidity increases the build up of dust and contaminants in your system. Additionally, HVAC ventilation systems that become damp because of high humidity are breeding environments for molds, mildew and other microbes and microorganisms.
If not cleaned regularly, your ventilation system can cause house dust and allergy problems, and cause your HVAC system to be far less efficient. A buildup of less than 1/16th of an inch on a heating or cooling coil can cause a 21% decrease of efficiency (EPA). 9 out of 10 system failures are caused by dirt and dust on components.
A clean system restores capacity and lessens running time -translation: clean systems run more efficiently saving money on heating and cooling costs. A well-maintained cooling system can substantially lower your monthly utility costs.
By simply cleaning and maintaining your HVAC system on a yearly basis can significantly reduce house dust and microbial contamination. For particularly sensitive individuals and those living in high humidity environments, the system should be cleaned every six months.
A clean HVAC system can actually be used to help decrease allergy and asthma symptoms. Air conditioning can be used to keep the humidity in your home to 50% or less to significantly slow the growth of dust mites, molds and mildews.
Electrostatic filters, UV lights and HEPA filters used and maintained (cleaned or replaced often) in your HVAC system also helps lower allergy and asthma symptoms as well as better maintaining an overall healthy system.
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Tips on Preventing
Allergies and Asthma
- Keep your home well ventilated.
- Have your ventilation system checked for clogs and leaks. Both can cause your system to work inefficiently; costing you money and possibly worsening allergy and asthma symptoms for sufferers.
- Replace fiberglass filters with dust and allergy prevention electrostatic filters and clean them often.
- Add a UV light to your system. Indoor air pollution is often higher than outdoor air pollution because of the sun’s natural air-cleaning UV rays. A UV light greatly reduces allergy and asthma triggers, but could also reduce cold, flu and other airborne viruses and bacteria.
- Properly maintain heating and cooling systems by having them cleaned by a professional service using HEPA filtered technology.
- Have your HVAC system professionally cleaned at least once per year to keep it clear of molds and other microbes.
- Have the system cleaned twice a year if mold is a problem in your area and/or you have individuals with severe mold allergies in you home.