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Norwegian University of Science and Technology (NTNU)

2026-09-15

„Natürliche Kältemittel können 99,9 % der HVAC&R-Anlagen abdecken“, so Armin Hafner von der NTNU

An image of Armin Hafner, NTNU Professor, at GL 2026. His keynote address highlighted that natural refrigerant techology is there and ready to scale for 99.9% of HVAC&R Systems.

2024-06-06

Fenagy Shows Off 3MW CO₂ Heat Pump Rack and New 1MW Isobutane Heat Pump in Exclusive Factory Tour Video

Fenagy Heat Pumps

2023-08-18

Cruise Ships’ CO₂ System Can Leverage Thermal Storage to Improve AC Efficiency, Study Finds

Cruise Ships’ CO2 System Can Leverage Thermal Storage

2023-06-07

Study Finds that Cascade Heat Pump Using Mixtures of R744/R600 and R744/R601 Produce COP of 4.5 and Hot Water Above 100°C

Ganesan Palanichamy, a Post-Doctoral Researcher in Norwegian University of Science and Technology

2023-05-15

CO₂ Heat Pumps Found to Offer High Efficiency at Low Ambient Temperature in Electric Vehicles

Nina Piesch of NTNU, speaking at the IIR Conference in Ohrid, North Macedonia

2023-04-25

‘Hybrid Ejector’ Found to Boost Efficiency of Transcritical CO₂ Refrigeration by Up to 42%

‘Hybrid Ejector’ Found to Boost Efficiency of Transcritical CO2

2022-06-02

Integrated R744 Heat Pump Systems Proven ‘Reliable’ Solution for Hotels

Integrated R744 HVAC&R Systems