| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hvac and refrigeration systems book | 0.06 | 0.7 | 7372 | 36 | 35 |
| hvac | 0.32 | 0.9 | 6300 | 44 | 4 |
| and | 1.33 | 0.5 | 1130 | 7 | 3 |
| refrigeration | 0.33 | 0.3 | 71 | 43 | 13 |
| systems | 1.81 | 0.1 | 3728 | 56 | 7 |
| book | 0.49 | 0.5 | 8753 | 85 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hvac and refrigeration systems book | 1.81 | 0.3 | 3928 | 48 |
