Performance Evaluation of Packaged Rooftop AC Units with Alternative Refrigerants at High Ambient Temperature Environments - Gallery

Figure 1: RTU test setup at ORNL: (l) indoor side with code tester; (r) outdoor side

photos courtesy of Oak Ridge National Laboratory

Figure 2: Performance of alternative refrigerants relative to R-22 at 95°F (l) and 125°F (r) ambient temperature

Figure 3: Performance of alternative refrigerants relative to R-410A at 95°F (l) and 131°F (r) ambient temperatures

Figure 1: RTU test setup at ORNL: (l) indoor side with code tester; (r) outdoor side

photos courtesy of Oak Ridge National Laboratory

Figure 1: RTU test setup at ORNL: (l) indoor side with code tester; (r) outdoor side

photos courtesy of Oak Ridge National Laboratory

May 11, 2025

Figure 2: Performance of alternative refrigerants relative to R-22 at 95°F (l) and 125°F (r) ambient temperature

Figure 3: Performance of alternative refrigerants relative to R-410A at 95°F (l) and 131°F (r) ambient temperatures