Heating & Cooling Systems Entries Articles Collection Passive House Component Spotlight: Mitsubishi Electric Trane HVAC US Lois Arena: Lessons Learned from VRF Systems Trey Farmer & Nikki Kruger: Hot Humid Climates Bonus Video Podcast: Berthold Kaufmann at 25th International Passive House Conference Accelerating Building Decarbonization with Gradient Window Heat Pumps 101: Can We Eliminate Heating and A/C The Future of Package Terminal Heat Pumps (PTHPs) and Passive House An Interview with Gradient CEO Vincent Romanin What’s New in Heat Pump Performance Estimator v25.1 Oxicool Airconditioner uses H2O as Refrigerant Low Carbon Technology: Thermal Gradient Header (TGH) The World is Heating Up: Here’s One Way to Keep Buildings Cooler Podcast Collection Passive House Podcast Ep 10: Kimberly Llewelyn, Mitsubishi Electric Trane HVAC US Passive House Podcast Ep 4: Chris Benedict and Henry Gifford Bonus Episode: Berthold Kaufmann at 25th International Passive House Conference