Ernie Wisner

Ernie 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 to 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.

Ernie 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 to 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. See less