What is the Easiest and Most Practical Thing One Can Do To Make the Home Energy-Efficient?

Without a doubt, every homeowner would love to save on electricity costs and allocate the budget to the other needs of the family. Aside from keeping track of our monthly expenses, it's time we do our share in saving our fragile planet we call home, too. To help you turn your home into an energy-efficient space, here are a few inputs from the experts:

Main photos from: Decouvrir Blog and Nous Decor.