I have regularly been a huge fan of HEPA filters, this is because in my experience I have regularly had the most success with them.
If you are having trouble with your air quality, there are multiple possibilities available on the market for you to try. I have tried nearly all of them. I have tried UV air filters, however their effect is limited because you cannot see the UV light plus so you never think when the bulb is burned out. I have also tried sitting media whole-house air purifiers plus while they do work they only work for a single room. There are whole cabin whole-house air purifiers however they are not cheap, they are certainly valuable plus the replacement process for them can be quite long. The HEPA filter is a perfect balance of all these things. This is because of a HEPA filter, almost any dirt or dust particle is going to get caught in the tightly woven fibers that are identifiably designed to catch the tiniest particles of dirt plus germs. If you are having any kind of air quality problems I would highly recommend them, because once you install a single of your air quality will go back to normal in no time. There have been several people that I commanded for them to get a HEPA filter plus they have told myself and others their personal stories of how a HEPA filter has saved the day for them. They had awful air quality before, however once the filter was installed they saw results plus sporadically as little as a day. They entirely are an amazing little tool to use if you are ever in a exhausting situation with your air quality.