| Abbreviation | Definition |
|---|---|
| EEC | Energy Efficiency Commitment |
| EEC | Environment Energy Communications |
| EEC | Exterior Energy Consultants |
| EECA | Energy Efficiency and Conservation Authority |
| EECB | Energy Efficient Clay Brick |
| EECC | Energy Efficiency Coordinating Committee |
| EECC | Energy Efficient Codes Coalition |
| EECC | Energy Environment and Climate Change |
| EECG | Energy Efficiency Coordination Group |
| EECG | Energy Environment and Climate Group |
| EECG | Energy Environment Computer and Geophysical |
| EECG | Energy Environmental Consulting Group |
| EECH | European Energy Consult Holding |
| EECI | Electronic Energy Control Inc |
| EECI | Enbridge Energy Company Inc |
| EECI | Energy Efficient Cities Initiative |
| EECO | Environment and Energy Community Outreach |
| EECS | Energy Efficient Computing Systems |
| EECS | European Energy Certificate System |
| EED | Earth Energy Designer |