Heating & Cooling Systems Entries Articles Collection Low Carbon Technology: Thermal Gradient Header (TGH) Passive House Component Spotlight: Mitsubishi Electric Trane HVAC US Lois Arena: Lessons Learned from VRF Systems 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 An Interview with Gradient CEO Vincent Romanin The Future of Package Terminal Heat Pumps (PTHPs) and Passive House Trey Farmer & Nikki Kruger: Hot Humid Climates 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