I have been thinking about replacing all of the window unit ACs in my house recently. I bought the home 3 years ago and the window unit ACs were all brand new. The people who owned it before me built the home and put in the window unit ACs. I was not too sure about the idea of window unit ACs, but after a few months, I saw the benefits of them over the central cooling system. The window unit AC uses much less energy and cools the room faster than a central cooling system. The amount of energy used by a window unit AC is significantly less than a central cooling system! Occasionally, I get sick of the noise coming from the window unit AC though because they don’t run as quietly as a central system. After a few years, I am completely now used to the concept of a window unit AC and would love to regularly have them in my house. I love the idea of not cooling a room if I am not going to be using it. It’s necessary for me to save energy. The idea of people cooling a room that isn’t even being used blows my mind. I hope that window unit ACs will become more commonplace, even though they are a bit old. People should realize that the concept of window unit ACs is a genuinely great one for the environment. I decided that replacing all of my window unit ACs would be less damaging to my wallet than using central heating plus cooling for 3 months. I am delighted that the window unit ACs work for me and my family. I hope that everyone will consider them.