Want to save some green while going green? You may want to start with solar: a source of renewable energy that’s more affordable now than ever. As one of the most energy efficient resources in the country, solar is one of the best long term and low-risk investments that homeowners can make. And according to JK Mechanical’s infographic, the average return on investment for the installation of a residential solar-powered system is roughly 9 years. Read through to learn more on why you should invest in the future of solar.