Summary In this episode of the Building Energy Pod, host Matt Watson speaks with Joe Clair, Commercial Vice President at Windfree Solar Co., about his journey in building sustainability, the challenges of retrofitting existing buildings, and the importance of stakeholder engagement. They discuss the significance of identifying low-hanging fruit in energy efficiency, navigating historic buildings, and the role of solar energy in achieving net zero certification. Joe also shares insights on funding opportunities and incentives available for solar projects in Illinois. Takeaways Joe Clair's career journey highlights the importance of mentorship in sustainability. Sustainable retrofits are crucial for existing buildings to achieve decarbonization. Long-term planning is essential for effective building upgrades. Engaging stakeholders can lead to innovative solutions in sustainability. Identifying low-hanging fruit can yield immediate energy savings. Historic buildings present unique challenges for sustainability efforts. Resilience in building design is critical for long-term performance. Solar energy is a key component in achieving net zero certification. Funding opportunities in Illinois support solar project development. Collaboration and communication are vital in the planning process.