# Key Terms

| TERM              | DEFINITION                                             |
| ----------------- | ------------------------------------------------------ |
| HVAC              | Heating, ventilation, air conditioning                  |
| BMS               | Building management system                              |
| IAQ               | Indoor air quality                                     |
| PM                | Particulate matter                                     |
| GHG emissions     | Greenhouse gas emissions                                |
| BACnet/IP        | Building automation control network via internet protocol|
| API               | Application programming interface                       |
| IoT               | Internet of things                                     |
| FMs               | Facilities managers                                    |
| AHU               | Air handling unit                                      |
| FCU               | Fan coil unit                                         |
| VAV               | Variable air volume                                    |
| VSD               | Variable speed drive                                   |
| VCD               | Variable control damper                                |
| Damper            | Manages air flow & volume of air                       |
| CO2               | Carbon dioxide indoors                                 |
| VOCs              | Volatile organic compounds                             |
| AI                | Artificial intelligence                                |
| ML                | Machine learning                                       |