| energy star certified heat pump water heater | 0.92 | 0.4 | 8224 | 44 | 2 |
| energy star commercial heat pump water heater | 1.76 | 0.7 | 1109 | 45 | 80 |
| electric heat pump water heater energy star | 0.92 | 0.3 | 4729 | 43 | 86 |
| heat pump water heater energy star | 1.48 | 0.8 | 499 | 34 | 33 |
| energy star certified heat pump | 1.61 | 0.6 | 3984 | 31 | 25 |
| energy star heat pump water heater cost | 0.98 | 0.8 | 5298 | 39 | 46 |
| energy star certified gas water heater | 1.27 | 1 | 2253 | 38 | 84 |
| water heater energy star certified | 1.6 | 0.1 | 8835 | 34 | 63 |
| energy star certified water heaters | 0.41 | 0.1 | 2391 | 35 | 85 |
| energy star certified hot water heaters | 1.49 | 0.1 | 8736 | 39 | 71 |
| energy star certified electric water heaters | 0.83 | 0.3 | 7573 | 44 | 16 |
| energy star certified air source heat pump | 0.25 | 0.6 | 3247 | 42 | 85 |
| energy star water heater | 0.26 | 0.4 | 1697 | 24 | 84 |
| energy star hot water heater | 0.23 | 0.7 | 8556 | 28 | 35 |
| energy star electric hot water heater | 0.54 | 0.3 | 3566 | 37 | 40 |
| energy star qualified heat pumps | 1.09 | 0.6 | 7037 | 32 | 24 |
