Choosing the Right Air Filter
Last week we discussed the importance of regular AC maintenance and changing of your system’s air filter. In this post, we are going to take a look at some of the most common air filters available so you can decide which is best for you home or work environment.
Washable Air Filters
This type of air filter is not recommended for most residential systems because they are very susceptible to collecting fungus, bacteria and other harmful microorganisms that could eventually be circulated through your home or business space.
Fiberglass Air Filters
These types of filters are what we can call “baseline acceptable,” because they are very effective for protecting your AC unit from large damaging particles. They are the least expensive air filter types and require frequently changing. Fiberglass filters do not improve air quality, so if you or anyone in your home is suffering from allergies or has a sensitivity to dust, these will not help alleviate symptoms.
Polyester and Pleated Air Filters
This air type of filter is more effective at trapping dust and other small particles than fiberglass filters, and can remove close to 45% percent of home air pollutants. They are also quite efficient, and can trap particles without restricting the airflow in your air conditioning system. These are a great choice for making improvements in your indoor air quality.
High-Efficiency Air Filters
These HVAC filters (including HEPA types) are the most effective at removing pollutants from indoor air. They are made from either pleated filter paper or polyester fiber. This filter can remove up to 85% of airborne particles, including dust pollen, and mold. If you are mildly concerned about indoor air quality these are filters are an good choice.
Electrostatic Air Filters/Purifiers
These filters are considered the pinnacle of air filter technology. Electrostatic air filters charge air particles and then pull them into the collection cells within the filter, trapping even the smallest dust and debris. Some of these filters, such as the Trane® Clean Effects Air Cleaner can trap up to 99% of dust and pollen, resulting in a significant improvement in the indoor quality.
Next week we’ll look deeper into the Trane® Clean Effects Air Cleaner and show you the Harvard study that measured its effects. In the meantime, If you have any questions or concerns about the air filters in your home, you should contact a professional HVAC company and have them do a complete evaluation.
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