| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how a vrf system works | 1.61 | 0.8 | 1400 | 83 |
| how does a vrf system work | 0.81 | 0.4 | 9284 | 66 |
| what is vrf system and how it works | 0.48 | 0.1 | 7277 | 2 |
| how does a 2 pipe vrf system work | 1.6 | 0.6 | 5353 | 78 |
| how does a 3 pipe vrf system work | 0.06 | 0.2 | 9558 | 23 |
| how does a vrf heat recovery system work | 1.07 | 0.2 | 7219 | 76 |
| how does a vrf hvac system work | 1.65 | 0.3 | 3863 | 24 |
| vrf system working principle | 0.76 | 0.8 | 9089 | 93 |
| vrf system working principle pdf | 0.06 | 0.4 | 8372 | 83 |
| vrf system working | 0.79 | 0.1 | 7021 | 92 |
