I recently switched from an old digital thermostat to a smart thermostat. And let me tell you that it works so much better than the standard digital thermostat or even an older dial thermostat. The smart thermostat took some getting used to and took some challenge in learning how to use the app on the cell phone and computer that comes with it. But once I got it all figured out I was able to really start saving money on my monthly electric bill! The reason for this is because with the smart thermostat you can program it to shut off when you are out of the house and then have it come back on while on your way home. This reduces the cost of your energy because your central heating and air conditioning system is not running twenty four hours per day and seven days per week. I really could not believe how well the smart thermostat worked and how it reduced my energy bill by nearly half of what it used to be. That is just one of the many perks of having a smart thermostat versus an old dial thermostat or digital thermostat standard type like I used to have. I really recommend to anyone looking to make their life easier to get a smart thermostat for their central heating and air conditioning system unit. It will not only reduce the cost of the energy bills, but it will make it so that you can have more control and convenience with your central heat and a/c system. It is a really great thing.