BULG AquaHeat Pro 300L vs Yack YORABTM450
Water heating efficiency ηwh: BULG AquaHeat Pro 300L 148 %, Yack YORABTM450 128 %. The BULG AquaHeat Pro 300L is better on 7 of 7 comparable points.
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Both models in detail
Who wins where
- BULG AquaHeat Pro 300L
- Yack YORABTM450
Biggest differences
| Fact | AquaHeat Pro 300L | YORABTM450 |
|---|---|---|
| ηwh, colder climate | 148 % | 99 % |
| Annual electricity use, colder climate | 1,459 kWh | 2,165 kWh |
| Outdoor sound power | 48 dB(A) | 63 dB(A) |
| Indoor sound power | 48 dB(A) | 60 dB(A) |
| Water heating efficiency ηwh | 148 % | 128 % |
| ηwh, warmer climate | 148 % | 139 % |
Score per area = position (0–100) relative to all 450 models in this category; higher is better.
| Technical specifications | BULGAquaHeat Pro 300L | YackYORABTM450 |
|---|---|---|
| General | ||
| Load profile | XXL1 | XXL2 |
| Efficiency | ||
| Water heating efficiency ηwh | 148 %✓1 | 128 %2 |
| ηwh, colder climate | 148 %✓1 | 99 %2 |
| ηwh, warmer climate | 148 %✓1 | 139 %2 |
| Energy label | A+1 | A+2 |
| Annual electricity use, colder climate | 1,459 kWh✓1 | 2,165 kWh2 |
| Annual electricity use, warmer climate | 1,459 kWh✓1 | 1,543 kWh2 |
| Noise | ||
| Indoor sound power | 48 dB(A)✓1 | 60 dB(A)2 |
| Outdoor sound power | 48 dB(A)✓1 | 63 dB(A)2 |
Frequently asked questions
Which is better: the BULG AquaHeat Pro 300L or the Yack YORABTM450?
Water heating efficiency ηwh: BULG AquaHeat Pro 300L 148 %, Yack YORABTM450 128 %. The BULG AquaHeat Pro 300L is better on 7 of 7 comparable points.
What is the water heating efficiency ηwh of the BULG AquaHeat Pro 300L and the Yack YORABTM450?
BULG AquaHeat Pro 300L: 148 %. Yack YORABTM450: 128 %.
Which is better on ηwh, colder climate: the BULG AquaHeat Pro 300L or the Yack YORABTM450?
BULG AquaHeat Pro 300L: 148 %. Yack YORABTM450: 99 %.
Which is better on annual electricity use, colder climate: the BULG AquaHeat Pro 300L or the Yack YORABTM450?
BULG AquaHeat Pro 300L: 1,459 kWh. Yack YORABTM450: 2,165 kWh.
Related comparisons
How we collect and check this data →
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed Oct 13, 2026
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed Oct 13, 2026