This month when it comes to controlling your heating and air conditioner component things are bizarre than what they once were. When it comes to control units, mostly almost everyone today has a smart control unit. There are actually no more digital control units and familiar dial control units; Yes they still sell them, however they are not something that folks go for. When getting a current control component for a brand current central heating and air conditioner component almost everyone seems to go with a smart control unit. I did myself. I have to say that at first I actually did not enjoy the smart control component however after a while I found that it was the best thing to ever happen for central heating and air conditioner units. You can save so much money in energy bills by using the smart control component and also it is absolutely convenient. Being able to turn on and turn off your central heating and air conditioner component through an app on your cell iphone from virtually anywhere in the world is real amazing heating and air conditioner technology. Heat and air conditioner technology has evolved a whole lot in the last 20 years. And smart control units are just 1 of the many good things that heating and air conditioner technology has brought to the world. I would never want to get rid of my smart control component for anything in the whole wide world. Once you try a smart control component you will never go back to your old respected control units. It is actually that good to tell you the truth.