Sean Damm has been a licensed heating and cooling contractor since 2001 as well as a HVAC instructor for 15 years. He has also served as a technical advisor to contractors, business owners and homeowners specializing in many facets of the HVAC industry throughout the country. Living full time in an RV around the country has led to experience in the off-grid solar world in both design and installation of complete systems on cabins as well as RVs.