It's Earth Day, an annual event that encourages us to remember the environment and our place in it. Good news: By cutting back on your energy and water use, you don't just help conserve resources, you put money back in your pocket — where it belongs. Save Energy Mary Morris was wary when she had to pay for an energy audit of her single-family home in the North Park Hill to qualify for an Xcel rebate. Twelve months later, she's a convert. Since contractor Casey Staley from REenergizeCO completed an energy audit on her home, which was built in 1948, and performed subsequent improvements last spring, Morris has saved $438 on her energy bill. That's in addition to Staley finding $1,100 in rebates for a $3,800 project. "For $2,700, we got the audit, our duct work in the attic sealed with flexible mastic, and I could sense an improvement in the air quality within 24 hours," she says. With that money Morris also insulated the attic as well as a 1,700-square-foot main floor that included a large sun room, and weatherized a nearly 1,500-square-foot "bomb bunker" basement, where Staley added a threshold to her energy-sucking boiler room. The money also went toward purchasing an energy-efficient dishwasher. Staley, who's a vetted contractor through Xcel and Denver Energy Challenge, works to make sure his clients receive all rebates possible. He says residents are often unaware of how much money they can save on up-front costs. He added that residents who per...