To fight global warming, it is absolutely necessary for us to reduce our energy consumption and look at ways of sustainable living. We can say that energy saving starts from home, whenever you save energy; you not only save money but also reduce the demand for such fossil fuels as coal, oil, and natural gas. Energy efficiency, implies more rational use of energy and that don’t impairs quality of life. When talking about more rational use of energy, thoughts, and the possibility of switching to renewable energy sources.