BEE (Bureau Of Energy Efficiency) is the governing body that mandates the display of star ratings on appliances so that consumers know how much electricity that particular appliance will consume.
Water heaters also comes under mandatory appliance list for BEE to show the star rating. But it is only applicable to storage water heaters that has a capacity of 6 liters and more.
BEE star rating is not applicable to instant water heaters as it does not have a water tank.
Let’s learn more about BEE Star Ratings For Water Heaters and how it affects the power consumption of water heaters.
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BEE Star Ratings Of Water Heaters
BEE Star Rating for Water Heaters is based on the standing loss. The more the standing loss, the more the power consumption and low star rating.
BEE Star Ratings For Water Heaters are also based on the assumption that the standing loss will be calculated considering water temperature at 45°C for 24 hour duration.
Here is the latest data for standing loss for water heaters to qualify for different star ratings. BEE mandates that all water heaters from 6 liters to 200 liters capacity should show the star rating sticker on their appliance.
| Capacity (Liters) | ⭐ | ⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
|---|---|---|---|---|---|
| 6 | .387-.426 | .320-.387 | .291-.320 | .265-.291 | <.265 |
| 10 | .441-.485 | .401-.441 | .365-.401 | .332-.365 | <.332 |
| 15 | .507-.558 | .461-.507 | .419-.461 | .381-.419 | <.381 |
| 25 | .618-.680 | .562-.618 | .511-.562 | .465-.511 | <.465 |
| 35 | .706-.777 | .642-.706 | .584-.642 | .531-.584 | <.531 |
| 50 | .816-.898 | .742-.816 | .675-.742 | .614-.675 | <.614 |
| 70 | .926-1.019 | .842-.926 | .766-.842 | .697-.766 | <.697 |
| 100 | 1.058-1.164 | .962-1.058 | .875-.962 | .796-.875 | <.796 |
| 140 | 1.191-1.310 | 1.083-1.191 | .985-1.083 | .896-.985 | <.896 |
| 200 | 1.323-1.456 | 1.203-1.323 | 1.088-1.203 | .984-1.088 | <.984 |
