The topic of 'Thermal Comfort' is central to the discussions in the provided podcast episodes. The first episode, 'Hsuan L. Hsu, "Air Conditioning" (Bloomsbury, 2024)', explores how the technology of air conditioning has shaped our world, including its impact on architecture, cultural norms, and issues of racial inequality and climate change.

The second episode, '[Episode #217] - Passivhaus in Scotland', focuses on the importance of improving building energy efficiency and reducing thermal losses to facilitate the energy transition, with a specific focus on the Passivhaus standard and its potential for transforming existing buildings into highly energy-efficient and comfortable spaces.