| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| air conditioning and ventilation system pdf | 1 | 0.6 | 3083 | 29 | 43 |
| air | 1.74 | 0.7 | 7727 | 10 | 3 |
| conditioning | 1.71 | 0.5 | 1153 | 93 | 12 |
| and | 0.56 | 0.3 | 954 | 57 | 3 |
| ventilation | 1.43 | 0.1 | 5991 | 99 | 11 |
| system | 1.64 | 0.5 | 632 | 63 | 6 |
| 1.41 | 0.5 | 6523 | 29 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| air conditioning and ventilation system pdf | 1.66 | 0.6 | 1781 | 90 |
| heating ventilation and air conditioning pdf | 1.95 | 0.7 | 2357 | 51 |
| ventilation and air conditioning system | 2 | 1 | 2306 | 93 |
| air conditioning system pdf | 0.04 | 0.6 | 7105 | 49 |
| air condition system pdf | 0.15 | 0.2 | 8674 | 50 |
| air conditioning system design pdf | 1.1 | 0.3 | 3046 | 100 |
| air conditioning system pdf download | 0.05 | 0.9 | 4452 | 83 |
| a ventilation system and an air conditioner | 0.74 | 0.2 | 1188 | 72 |
| air conditioning and ventilation | 1.76 | 0.3 | 338 | 89 |
| air conditioning principles and systems pdf | 0.5 | 0.4 | 9135 | 3 |
| aircraft air conditioning system pdf | 1.99 | 0.9 | 1140 | 79 |
| heating ventilation air conditioning system | 0.14 | 1 | 9990 | 81 |
| central air conditioning system pdf | 0.54 | 0.4 | 9856 | 31 |
| industrial air conditioning system pdf | 1.92 | 1 | 5486 | 79 |
| air conditioning and mechanical ventilation | 0.23 | 0.4 | 3218 | 72 |
| air conditioner and ventilation | 0.87 | 0.8 | 2415 | 71 |
| ventilation and air-conditioning hvac systems | 0.59 | 0.7 | 5251 | 5 |
| ventilation system design pdf | 0.68 | 0.8 | 8228 | 99 |
