Sustainability Speakers Series - Retrofitting a Four-Suite Apartment with Harold Orr

Harold Orr, P. Eng. (retired), C.M., speaks on a retrofit he performed on an apartment in Regina where the tenants had been using the oven to help heat the house. Where previously the cost for heating was $1,800 for four months, it now costs $900 for the entire year. Learn how to make the most cost-effective changes to any residential building to conserve energy and increase comfort.