| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hot water air heat exchanger | 0.53 | 1 | 5935 | 4 |
| forced air hot water heat exchangers | 2 | 1 | 6910 | 2 |
| hot water to air heat exchanger with fan | 1.59 | 0.6 | 1108 | 8 |
| hot water to hot air heat exchanger | 1.91 | 0.6 | 9549 | 47 |
| hot water forced air heat exchanger | 0.78 | 0.1 | 6114 | 89 |
| water to air heat exchanger hot water coil | 0.32 | 0.5 | 5556 | 88 |
| forced air heat exchanger | 0.34 | 0.2 | 3184 | 34 |
| hot water heat exchangers | 1.61 | 1 | 8968 | 30 |
| air water heat exchangers | 0.16 | 1 | 693 | 25 |
| hydronic heat exchanger forced air | 1.6 | 1 | 1169 | 24 |
| forced air furnace heat exchanger | 1.72 | 0.6 | 4887 | 22 |
| water air heat exchanger | 1.24 | 0.6 | 9799 | 99 |
| heat exchanger hot water | 1.93 | 0.8 | 2258 | 62 |
| industrial water to air heat exchanger | 1.86 | 0.2 | 9132 | 55 |
| heat exchanger domestic hot water | 0.41 | 0.2 | 3971 | 27 |
| air cooled water heat exchanger | 1.72 | 0.4 | 7125 | 16 |
| hot water to air exchanger | 1.39 | 0.6 | 50 | 78 |
| hot water heat exchanger for furnace | 0.95 | 0.6 | 4149 | 93 |
