| AI | Artificial intelligence |
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| ASHRAE | American Society of Heating, Refrigerating and Air-Conditioning Engineers |
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| BAS | Building automation system |
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| BEF | Benchmark energy factor |
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| BPG | Best Practice Guide |
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| CER | Cooling efficiency ratio |
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| COP | Coefficient of performance |
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| CPU | Central processing unit |
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| CRAC | Computer room air conditioning |
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| CRAH | Computer room air handler |
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| CSA | Canadian Standards Association |
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| CUE | Carbon usage effectiveness |
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| DC | Data centre |
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| DCiE | Data centre infrastructure efficiency |
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| EER | Energy efficiency ratio |
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| EEV | Electronic expansion valve |
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| ELC | Electrical loss component |
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| EMP | Environmental or energy management plan |
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| ERE | Energy reuse effectiveness |
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| ERF | Energy reuse factor |
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| EU DC CoC | EU Code of Conduct on Data Centre Energy Efficiency |
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| IEA | International Energy Agency |
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| IEC | International Electrotechnical Commission |
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| ISO | International Organization for Standardization |
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| IT | Information technology |
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| ITE | Information technology equipment |
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| ITEESV | IT Equipment Energy Efficiency for Servers |
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| ITEUSV | IT equipment utilization savings value |
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| ITIL | Information technology infrastructure library |
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| ITSM | Information technology service management |
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| JRC | Joint Research Centre |
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| KPI | Key performance indicator |
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| LCA | Life cycle assessment |
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| LEED | Leadership in Energy and Environmental Design |
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| M&E | Monitoring and evaluation |
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| MLC | Mechanical load component |
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| NRCan | Natural Resources Canada |
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| O&M | Operation and maintenance |
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| PD | Power density |
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| PD | Power density |
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| PDU | Power distribution unit |
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| PUE | Power usage effectiveness |
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| PSU | Power supply unit |
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| RD&D | Research, development, and demonstration |
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| REF | Renewable energy factor |
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| SEEM | Server energy effectiveness metric |
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| TEV | Thermostatic expansion valve |
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| UPS | Uninterruptible power supply |
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| US EPA | United States Environmental Protection Agency |
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| WUE | Water usage effectiveness |
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