Air Conditioners

2020

Letschert, Virginie E., Sarah K. Price, Ambereen Shaffie, Won Young Park, Nihan Karali, Nikit Abhyankar, Nihar Shah, and Ari Darmawan Pasek. Accelerating the Transition to More Energy Efficient Air Conditioners in Indonesia., 2020.

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   PPT (2.13 MB)   PDF (3.21 MB)
Dreyfus, G, N. Borgford-Parnell, J. Christensen, D.W. Fahey, B. Motherway, T. Peters, R. Picolotti, Nihar Shah, Y. Xu, M. Molina et al. Assessment of Climate and Development Benefits of Efficient and Climate-Friendly Cooling., 2020.

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   PDF (2.58 MB)
Letschert, Virginie E.. Cooling Efficiency in Indonesia: Recent Achievements and Future Outlook., 2020.

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   PDF (837.5 KB)
Purohit, Pallav, Lena Höglund-Isaksson, John Dulac, Nihar Shah, Max Wei, Peter Rafaj, and Wolfgang Schöpp. "Electricity savings and greenhouse gas emission reductions from global phase-down of hydrofluorocarbons." Atmospheric Chemistry and Physics 20, no. 19 (2020): 11305-11327.

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   PDF (5.22 MB)
Karali, Nihan, Chao Ding, Won Young Park, Nihar Shah, and Jiang Lin. Energy-Efficiency Improvement Potential of Multi-split Air Conditioning Systems in China., 2020.

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   PDF (2.63 MB)
Park, Won Young, Nihar Shah, Jun Young Choi, Hee Jeong Kang, Dae Hoon Kim, and Amol A. Phadke. "Lost in translation: Overcoming divergent seasonal performance metrics to strengthen air conditioner energy-efficiency policies." Energy for Sustainable Development 55 (2020): 56-68.

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   PDF (1.08 MB)

2019

Letschert, Virginie E., Nihar Shah, Won Young Park, Nihan Karali, Ambereen Shaffie, Sarah K. Price, Nikit Abhyankar, Ari Darmawan Pasek, Edi Sartono, Hari Kusmardianto et al. Accelerating Cooling Efficiency in Indonesia., 2019.

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   poster presented at eceee 2019 Summer Study. Belambra Presqu'île de Giens, France, 2019 (3.29 MB)
Park, Won Young, Nihar Shah, Chao Ding, and Yi Qu. Challenges and Recommended Policies for Simultaneous Global Implementation of Low-GWP Refrigerants and High Efficiency in Room Air Conditioners. Berkeley, CA: Lawrence Berkeley National Laboratory, 2019.

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   PDF (709.65 KB)
McNeil, Michael A., Nihan Karali, and Virginie E. Letschert. "Forecasting Indonesia's electricity load through 2030 and peak demand reductions from appliance and lighting efficiency." Energy for Sustainable Development 49, no. April 2019 (2019).

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   PDF (4.21 MB)
Park, Won Young, Nihar Shah, Brian Holuj, Noah Horowitz, and Alex Hillbrand. Model Regulation Guidelines for Energy-Efficient and Climate-Friendly Air Conditioners. Paris: UN Environment, 2019.

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   PDF (1.02 MB)   Supporting Information (1.99 MB)
Shah, Nihar, EE Task Force, and UNEP TEAP. Montreal Protocol on Substances that Deplete the Ozone Layer, Volume 3: Decision XXX/5 Task Force Final Report on Cost and Availability of Low-GWP Technologies/Equipment that Maintain/Enhance Energy Efficiency In UNEP Report of the Technology and Economic Assessment Panel. Vol. 3. Nairobi, Kenya: United Nations Environment Programme, 2019.

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   PDF (1.83 MB)
Shah, Nihar, EE Task Force, and UNEP TEAP. Montreal Protocol on Substances that Deplete the Ozone Layer, Volume 4: Decision XXX/3 Task Force Report on Cost and Availability of Low-GWP Technologies/Equipment that Maintain/Enhance Energy Efficiency (Advance Copy) In UNEP Report of the Technology and Economic Assessment Panel. Vol. 4. Nairobi, Kenya: United Nations Environment Programme, 2019.

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   PDF (3.27 MB)
Letschert, Virginie E., Nihan Karali, Won Young Park, Nihar Shah, Gilberto Jannuzzi, Fernando Costa, Roberto Lamberts, Kamyla Borges, and Suely Machado Carvalho. "The manufacturer economics and national benefits of cooling efficiency for air conditioners in Brazil." In eceee 2019 Summer Study. Belambra Presqu'île de Giens, France, 2019.

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   PDF (537.85 KB)   PDF Presentation (1.3 MB)

2018

Shah, Nihar, EE Task Force, and UNEP TEAP. Decision XXIX/10 Task Force Report on Issues Related to Energy Efficiency While Phasing Down Hydrofluorocarbons In UNEP Report of the Technology and Economic Assessment Panel. Vol. 5. Nairobi, Kenya: United National Environment Programme, 2018.

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   PDF (2.14 MB)
Shah, Nihar, Scientific Assessment Panel, and et al.. Scientific Assessment of Ozone Depletion: 2018 - Report and Executive Summary In Global Ozone Research and Monitoring Project. World Meteorological Organization, 2018.

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   Executive Summary (4.39 MB)
Abhyankar, Nikit. The 1,000 Power Plant Question:Cooling the Planet Sustainably., 2018.

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   PDF Presentation at IEECCE Sep 2018 (1.13 MB)

2017

Abhyankar, Nikit, Nihar Shah, Won Young Park, and Amol A. Phadke. Accelerating Energy Efficiency Improvements in Room Air Conditioners in India: Potential, Costs-Benefits, and Policies., 2017.

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   Report PDF (1.22 MB)   Presentation PDF (1.03 MB)
Shah, Nihar, Stephane de la Rue du Can, Dietram Oppelt, Ana Maria Carreno, Nicole Kearney, and et al.. Accelerating the Global Adoption of Energy-Efficient and Climate-Friendly Air Conditioners In U4E Policy Guide Series. Paris, France: UN Environment, (U4E) Economy Division Energy, Climate, and Technology Branch, 2017.
Park, Won Young, Nihar Shah, and Brian F. Gerke. Assessment of commercially available energy-efficient room air conditioners including models with low global warming potential (GWP) refrigerants. Berkeley, CA: Lawrence Berkeley National Lab, 2017.

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   PDF (2.18 MB)   Presentation (1.41 MB)
Letschert, Virginie E., Brian F. Gerke, Michael A. McNeil, Thomas Tu, Brian Dean, Edi Sartono, Jaya Rajasa, and Chad Gallinat. "Baseline Evaluation and Policy Implications for Air Conditioners in Indonesia." In 9th International Conference On Energy Efficiency In Domestic Appliances and Lighting., 2017.

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   PDF (968.88 KB)   Presentation (1.68 MB)
Shah, Nihar, Nina Khanna, Nihan Karali, Won Young Park, Yi Qu, and Nan Zhou. Opportunities for Simultaneous Efficiency Improvement and Refrigerant Transition in Air Conditioning., 2017.

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   Report PDF (3.51 MB)   Presentation PDF (789.73 KB)
Abhyankar, Nikit, Nihar Shah, Amol A. Phadke, and Won Young Park. Technical and Economic Aspects of Designing an Efficient Room Air-Conditioner Program in India., 2017.

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   PDF (930.51 KB)

2016

Shah, Nihar, Nikit Abhyankar, Won Young Park, Amol A. Phadke, Saurabh Diddi, Deepanshu Ahuja, P.K. Mukherjee, and Archana Walia. Cost-Benefit of Improving the Efficiency of Room Air Conditioners (Inverter and Fixed Speed) in India., 2016.

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   PDF (885.61 KB)   PPT (777.89 KB)

2015

Shah, Nihar, Max Wei, Virginie E. Letschert, and Amol A. Phadke. Benefits of Leapfrogging to Superefficiency and Low Global Warming Potential Refrigerants in Room Air Conditioning., 2015.

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   PDF (1.61 MB)   PDF Presentation (1.54 MB)
Shah, Nihar, Nikit Abhyankar, Amol A. Phadke, and Girish Ghatikar. "Considerations in Standardization for Demand Response Ready Air Conditioners in India." In India Smart Grid Week 2015. Bangalore, India, 2015.

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   PDF (406.21 KB)   PPT (3.99 MB)

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