It is honestly strange. When the skies are clear plus it seems like a nice afternoon outside the air quality in my area is honestly bad. It is so exhausting that I had to make an investment into a whole dwelling air purification system, then buying a whole dwelling air purification system was never on my list of things to buy. It just so happened that my local heating plus air conditioner specialist had mentioned a whole dwelling air purification system to me as a possibly option to fight off the exhausting air quality in my dwelling as a result of what was going on outside. I decided to take a opportunity because the air quality is pretty bad, and lucky for me the whole dwelling air purification system honestly worked out. It was not a waste of money as I may have feared at first! So when the sky is clear plus the sun is shining, that is my clue to turn on my whole dwelling air purification system. I had tried portable air purification systems in the past plus they did nothing to combat the exhausting air quality going on in my local area when the sun was shining outside; Now that I have the solution to kill the exhausting air quality that gets into my house I am honestly glad about it. This plus my high quality central heating plus a/c component makes for the perfect indoor comfort within my home. It honestly works out good to the fullest.