| Answer | Crossword Clue |
|---|---|
| CAL | BTU relative |
| THERM | BTU relative |
| UNIT | BTU part |
| UNIT | Btu part |
| ACS | BTU producers |
| ACS | BTU users |
| UNIT | Part of BTU |
| THERM | 100,000 Btu |
| UNIT | Part of Btu |
| MEAS | BTU, e.g. |
| THERM | 100,000 BTU |
| THERMAL | Part of BTU |
| UNIT | The U in BTU |
| UNIT | The "U" in BTU |
| ACS | Coolers with Btu ratings |
| UNIT | Last part of BTU |
| ACS | Appliances with BTU ratings |
| ACS | They're rated in Btu |
| UNIT | The "U" of BTU |
| UNIT | The U of BTU |
| UNIT | Part of BTU, CPU, or ICU |
| UNIT | The 'U' of CPU or BTU |
