“The Green Home Doctor,” Matt Danielson. Danielson, who was flying around the country often for a prior job, realized he needed to make a change in his carbon footprint. Two years later, he has changed his entire way of living and thinking with Green Home Doctors, a Minnesota-based home audit service that helps people conserve the most energy possible in their homes. “The Green Home Doctor,” Matt Danielson. Danielson, who was flying around the country often for a prior job, realized he needed to make a change in his carbon footprint. Two years later, he has changed his entire way of living and thinking with Green Home Doctors, a Minnesota-based home audit service that helps people conserve the most energy possible in their homes.