| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| air conditioning and refrigeration book | 1.29 | 0.6 | 6591 | 38 | 39 |
| air | 1.88 | 1 | 9392 | 93 | 3 |
| conditioning | 1.13 | 0.8 | 1348 | 8 | 12 |
| and | 1.46 | 0.8 | 8641 | 77 | 3 |
| refrigeration | 1.29 | 0.9 | 8018 | 99 | 13 |
| book | 1.81 | 0.8 | 1619 | 54 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| air conditioning and refrigeration book | 1.26 | 1 | 1231 | 60 |
