Citizens of the great town of Grass Valley! It has been my pleasure to help build the latest home for Habitat for Humanity.First of all, Chip Gauthier is building the most energy-efficient home in the history of Habitat. He is using the latest and best information available on this home.Geothermal, spray foam insulation and ICF's walls are just a few examples. If you haven't stopped by and looked at this home, you need to take just a few minutes and check it out.Your organization that plans, builds and services this community should be given a great big yippee! They are …