Canada’s commercial building sector holds a vast and largely untapped potential for improving energy efficiency. To identify innovative, high-impact tools and strategies that would address barriers and accelerate and amplify investment, The Atmospheric Fund (TAF) partnered with Dunsky Energy Consulting. Structured and targeted consultations yielded crucial insights for this report. The consultations included key industry players such as building owners and managers, power and gas utilities, banks, specialized investors, equipment suppliers, energy services companies, industry associations, and other thought-leaders in this space. A scan of energy efficiency financing tools was prepared drawing on international best practices.