I have a fan in my family room that I have running all the time when I am in there; The reason i do this is because it entirely helps the air flow of my central heating in addition to A/C system unit. The air vents in my family room are not that wonderful in addition to rather small. This is why normally the air flow is not too great from my central heating in addition to A/C system in the family room, then but by running the fan it variations all of that in addition to makes the air flow labor in addition to go as if the air vents of my central heating in addition to A/C system were normal in addition to just as great as they were in the other parts of the house. There is nothing worse than having awful air flow from your central heating in addition to A/C system in your family room. That is after all where everyone get their sleep. And if you have awful air flow this can mean discomfort. And without indoor comfort in your family room you will not get very great sleep! And this could mean a awful quality of life all together. So I am so cheerful that my fan entirely helps the air flow of my central heating in addition to A/C system because I needed this, however i had been having a strenuous time sleeping when I had the awful air flow. And then something told me to go out in addition to get a floor fan to try to help the issue. I do not know why I did but i am cheerful I did. Because it works very very great all together in my family room!