There are a number of incentives for building green and having an energy-efficient home. By taking a few simple steps, you can reduce your Montana state tax bill as well as your monthly energy bills. Owner, Mark Nunlist, holds a degree in Geology from Montana State University and has been involved in the homebuilding industry since 1988. As a builder with this background, Mark has a strong and active interest in the outdoors. This is one of the reasons he is interested in building green with a keen sense of protecting and respecting the environment throughout the building process.