| Acronym | Term |
| BHE | Borehole heat exchanger |
| BOTDR | Brillouin Time Domain Reflectometry |
| BTES | Borehole thermal energy storage |
| DTS | Distributed temperature system |
| EED | Earth Energy Designer (3rd party proprietary software) |
| GCHP | Ground coupled heat pump |
| GSHP | Ground source heat pump |
| HDPE | High Density Poly Ethylene |
| OTDR | Optical frequency time domain reflectometry |
| PE | Polyethylene |
| SCOP | Seasonal coefficient of performance |
| TRT (aka GeRT) | Thermal response test |
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