| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| most efficient oil fired boilers | 1.32 | 0.6 | 347 | 64 |
| most efficient oil fired boiler residential | 0.11 | 0.1 | 573 | 97 |
| most efficient oil fired hydronic boilers | 0.55 | 0.7 | 2782 | 81 |
| most efficient oil fired hot water boiler | 0.54 | 0.4 | 8940 | 63 |
| what is the most efficient oil fired boiler | 0.38 | 0.5 | 9565 | 99 |
| most reliable oil fired boilers | 0.91 | 0.2 | 5493 | 66 |
| most efficient oil boilers for home heating | 1.62 | 0.2 | 7193 | 41 |
| top rated oil fired boilers | 0.1 | 0.2 | 148 | 36 |
| best oil fired domestic boilers | 0.21 | 0.9 | 7136 | 21 |
| best oil fired residential boilers | 0.38 | 0.5 | 2169 | 83 |
| best rated oil fired boilers for residential | 1.12 | 0.4 | 8145 | 54 |
| high efficiency oil fired boilers | 1.94 | 0.9 | 6189 | 73 |
| best oil fired boilers for home heating | 1.04 | 0.8 | 4825 | 14 |
| best residential oil fired boiler | 1.04 | 0.4 | 3738 | 32 |
| highest efficiency oil boiler | 0.47 | 0.9 | 2272 | 15 |
| best high efficiency oil boiler | 0.8 | 0.7 | 69 | 4 |
