I have to say that the quality of air in our area is declining, and it is happening pretty darn fast… Having great air quality is something that is getting harder and harder to find in this country any more! So several people are killing the air quality from their day to day yearly life and do not even care or think it; I am just absolutely thankful that there has been some things to be able to argument back! Or, at the absolutely least, be able to have nearly perfect air quality within your home, however this is why I obtained a whole lake house whole-house air purifier, then believe me, it was not a cheap investment either! A whole lake house air purification method cost quite a bit more than a central heating, ventilation, and A/C system method unit. It honestly feeds through your central heat and a/c equipment and comes through the air vents. Then, it cleans your indoor air conditions while the heating, ventilation, and A/C system method runs, or, you can even run the whole lake house air purification method without it. Its all up to you, the owner. And also, you can control the whole lake house air purification method right from the control equipment on your wall that controls your central heat and a/c unit. Isn’t that totally and really awesome? I think it is. And I am so cheerful I made this investment, because I need my indoor comfort and my indoor air conditions to match! I can not recommend a whole lake house air purification method enough!