air filters and an air purification system compared

Air Filtration v.s. Air Purification

During the summer months, your HVAC unit has several critical jobs. The two you might think of first are the ability to cool and maintain airflow. While these are certainly the most important, having clean air to breathe is a vital factor in ensuring the comfort of you and your family. In this post, we’ll take a close look at air filtration and air purification. 


First, let’s define those terms because “filtration” and “purification” have different meanings in the HVAC world.

  • Filtration is the process of “catching” dust, germs, and other contaminants, and preventing them from being recirculated into your airstream.
  • Purification is actually “killing” or “destroying” those contaminants. This is especially important for particles too small to be caught during the filtration process.

Often, filtration and purification are accomplished by two different devices. However, newer models can do both, if there is enough room in your HVAC system. Older systems often either perform either filtration or purification, but not both.


Another consideration when choosing air filters or purifiers is odor control. Depending on the age of your home, the location, and even your personal sensitivity to odors, this can have varying importance. In general, the purifiers, since they are actually killing the bacteria, do a better job of eliminating odors. The good news is that odors, while bothersome, do not generally pose a health risk. There are a variety of purification products available that can help with odors.


At City Plumbing, our certified techs do more than just plumbing. We can help with a variety of household needs, including HVAC. City Plumbing is an authorized dealer of the RGF HALO-LED Whole Home In-Duct Air Purifier. You can set up an appointment for a consultation by calling 432-366-2401. We’ll let you know if a purifier or filtration system is right for you, install it, and make sure you’re comfortable all summer long. Give us a call, and we’ll come running!

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