Brace yourself, the days of cold and bills up to the roof are coming! Don’t just stand there and wonder, if there’s something you could do about it. A simple household upgrade will not only decrease the amount of money you pay every month, but will, at the same time, be more eco-friendly. There’s nothing bad if you at least try to do it yourself. So, in case you’ve decided, here’s a list of how to make your home more energy efficient.