CHATTANOOGA, Tenn. – Kim Anderson of Window World was on the show today talking with Sierra about how with the resent cold snap the Chattanooga area had, their home’s energy bill could have been a little higher. With Window World’s energy efficient home improvements could help you lower those bills! And the new trend right now are black windows. You can save 50% off the upgrade cost of those windows, but you have to call by March 15 to schedule your free in-home estimate.