| energy star certified water heater | 1.76 | 0.2 | 2531 | 34 | 18 |
| energy star certified electric water heaters | 1.8 | 0.4 | 2767 | 44 | 70 |
| energy star certified gas water heaters | 1.5 | 0.5 | 5742 | 39 | 22 |
| energy star certified tankless water heater | 0.19 | 0.3 | 8261 | 43 | 12 |
| aos energy star certified water heater | 0.72 | 0.3 | 8443 | 38 | 95 |
| rheem energy star certified water heaters | 1.26 | 0.9 | 3139 | 41 | 23 |
| energy star certified hot water heaters | 1.79 | 1 | 1121 | 39 | 80 |
| energy star certified heat pump water heaters | 0.18 | 0.5 | 5426 | 45 | 91 |
| energy star electric water heaters | 0.63 | 0.7 | 7683 | 34 | 88 |
| energy star electric hot water heaters | 1.36 | 0.8 | 7638 | 38 | 88 |
| energy star rated electric water heaters | 1.74 | 0.5 | 2712 | 40 | 4 |
| energy star rated electric hot water heaters | 0.16 | 0.1 | 4391 | 44 | 86 |
| energy star qualified water heaters | 0.99 | 0.8 | 1412 | 35 | 56 |
| electric water heater energy star | 0.98 | 0.8 | 2408 | 33 | 88 |
| energy star water heaters | 1.13 | 0.5 | 7645 | 25 | 31 |
| energy star residential water heaters | 0.45 | 0.6 | 2002 | 37 | 43 |
