2. Home Energy Monitoring System
It will be a nice idea to give someone this present for Christmas, especially if a person considers it very important to control the daily energy consumption. When you have such system at home, you don’t need to look at thermostats of your appliances and check your bills all the time.
If you set up energy monitoring system at your home, you’ll be able to see how much energy was consumed every time when you want. Besides, this device will surprise you with its numerous functions.