Georgia Tech's team has designed its house to be operated and maintained efficiently and economically, over the long term.The open plan is filled with abundant amounts of natural light and durable, low-maintenance, easy-to-clean surfaces that enablethe homeowner to perform everyday living tasks with a minimum of effort and a maximum of safety.Careful attention has been paid to the selection of materials based on energy consumption, durability, cost, weight, warmth and ease of cleaning and repair.