Nathan welcomes Richard Barwick, a retrofit project manager focused on social housing, Russell Murchie, co-founder of Nusku bringing innovative heat pump solutions, and Christopher Taylor from Vital Energy, who specializes in high-temp heat-pump technology. They explore advancements in heat pump installation efficiency, the impact of archetype-led retrofits for social landlords, and upcoming innovations in thermal storage. The discussion highlights the need for better contractor training and emphasizes cloud monitoring for maintenance, promising an exciting future in low-carbon heating.