Ernie WisnerErnie Wisner is a jack of all trades - his rich and varied background includes fishing and maritime work, firefighting, botany, natural building, hydraulics, and plumbing maintenance. Ernie's search for sustainable solutions led him o Cob Cottage Company, where he built his first rocket mass heaters Rocket Mass Heaters. Together with his wife Erica, he has built over 700 super-efficient, clean-burning masonry stoves and led over 50 workshops across North America. Read More Read Less