It wasn’t too long ago when a buddy of mine was asking what the best air filters were to use in an Heating & Air Conditioning system! That was an easy answer, HEPA air filters are the best; I told him about HEPA air filters & how they are designed to remove 99.9% of contaminants from the air. He seemed to be happy to learn about this information! Well, later on he ended up calling myself and others & saying that HEPA air filters are too luxurious & he couldn’t even tell the difference with the air quality in his home. I mean, with my personal experience, HEPA air filters labor good to improve the air quality. I don’t recognize what was going on with his situation. He kept saying how they were way too upscale & that I shouldn’t have recommended HEPA air filters. I had to remind my buddy that he asked myself and others what the best air filters were, not the ones that I necessarily recommended. I don’t even buy HEPA air filters myself, I just go for the pleated air filters that are designed for people with flu symptoms since I have mild flu symptoms. I also purchase my air filters online in bulk so that I get the best savings. I told him he absolutely should have looked online to buy his HEPA air filters as he absolutely would have saved a huge amount of cash. He ended up hanging up on myself and others & we haven’t spoken ever since we had that conversation. I think he blames myself and others for losing out on cash because he purchased his HEPA air filters for such a high price.