1. Japan Refrigeration and Air Conditioning Industry Association (2018). World Air Conditioner Demand by Region, Japan Refrigeration and Air Conditioning Industry Association.
2. Tsinghua University (2017). Annual Report on China Building Energy Efficiency, China Architecture & Building Press.
3. International Energy Agency (2013). Transition to Sustainable Buildings: Strategies and Opportunities to 2050, OECD/IEA.
4. U.S. EIA (2018). Annual Energy Outlook 2018, DOE.
5. The Guardian (2015, October 26). World Set to Use More Energy for Cooling than Heating. Available online: https://www.theguardian.com/environment/2015/oct/26/cold-economy-cop21-global-warming-carbon-emissions.