| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| refrigeration and air conditioning books | 0.52 | 0.5 | 4162 | 100 | 40 |
| refrigeration | 1.49 | 0.6 | 7840 | 48 | 13 |
| and | 1.8 | 0.5 | 6674 | 92 | 3 |
| air | 1.97 | 0.2 | 9633 | 17 | 3 |
| conditioning | 0.36 | 0.8 | 4078 | 19 | 12 |
| books | 0.35 | 0.4 | 8142 | 19 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| refrigeration and air conditioning books | 0.51 | 0.4 | 8215 | 32 |
| refrigeration and air conditioning books pdf | 0.64 | 0.2 | 8092 | 43 |
| refrigeration and air conditioning book pdf | 0.62 | 0.9 | 4569 | 74 |
| air conditioning refrigeration books | 1.89 | 0.6 | 9769 | 69 |
| refrigeration and air conditioning best book | 0.87 | 0.9 | 5966 | 96 |
| pdf on refrigeration and air conditioning | 0.76 | 0.3 | 8410 | 98 |
| air conditioning and refrigeration textbook | 0.01 | 0.9 | 72 | 92 |
| refrigeration and air condition pdf | 0.1 | 0.7 | 458 | 55 |
| basic refrigeration and air conditioning pdf | 0.79 | 0.3 | 2102 | 8 |
| refrigeration and air conditioning basics pdf | 1.96 | 0.4 | 8917 | 6 |
| refrigeration and air conditioning pdf notes | 1.76 | 0.6 | 1360 | 5 |
| modern refrigeration and air conditioning pdf | 1.86 | 1 | 8968 | 56 |
| air conditioning repair books pdf | 0.54 | 0.3 | 7016 | 39 |
| refrigeration air conditioning technology pdf | 0.29 | 0.1 | 851 | 16 |
| refrigeration and air conditioning summary | 0.75 | 0.3 | 9626 | 32 |
| hvac and refrigeration systems book | 1.79 | 0.8 | 9193 | 92 |
| hvac and refrigeration textbook | 1.15 | 0.2 | 1861 | 32 |
