Blaupunkt BLP-THERMA+300L vs COSMOGAS AGUAMAX 300
Water heating efficiency ηwh: Blaupunkt BLP-THERMA+300L 127 %, COSMOGAS AGUAMAX 300 118 %. The Blaupunkt BLP-THERMA+300L is better on 7 of 7 comparable points.
Last updated: + Add a model
Both models in detail
Who wins where
- Blaupunkt BLP-THERMA+300L
- COSMOGAS AGUAMAX 300
Biggest differences
| Fact | BLP-THERMA+300L | AGUAMAX 300 |
|---|---|---|
| Annual electricity use (average climate) | 1,111 kWh | 1,389 kWh |
| Annual electricity use, warmer climate | 1,149 kWh | 1,300 kWh |
| ηwh, warmer climate | 146 % | 130 % |
| Annual electricity use, colder climate | 1,586 kWh | 1,740 kWh |
| ηwh, colder climate | 105 % | 97 % |
| Water heating efficiency ηwh | 127 % | 118 % |
Score per area = position (0–100) relative to all 450 models in this category; higher is better.
| Technical specifications | BlaupunktBLP-THERMA+300L | COSMOGASAGUAMAX 300 |
|---|---|---|
| General | ||
| Load profile | XL1 | XL2 |
| Efficiency | ||
| Water heating efficiency ηwh | 127 %✓1 | 118 %2 |
| ηwh, colder climate | 105 %✓1 | 97 %2 |
| ηwh, warmer climate | 146 %✓1 | 130 %2 |
| Energy label | A+1 | A2 |
| Annual electricity use (average climate) | 1,111 kWh✓1 | 1,389 kWh2 |
| Annual electricity use, colder climate | 1,586 kWh✓1 | 1,740 kWh2 |
| Annual electricity use, warmer climate | 1,149 kWh✓1 | 1,300 kWh2 |
| Noise | ||
| Indoor sound power | 56 dB(A)✓1 | 58 dB(A)2 |
| Outdoor sound power | – | 58 dB(A)2 |
Frequently asked questions
Which is better: the Blaupunkt BLP-THERMA+300L or the COSMOGAS AGUAMAX 300?
Water heating efficiency ηwh: Blaupunkt BLP-THERMA+300L 127 %, COSMOGAS AGUAMAX 300 118 %. The Blaupunkt BLP-THERMA+300L is better on 7 of 7 comparable points.
What is the water heating efficiency ηwh of the Blaupunkt BLP-THERMA+300L and the COSMOGAS AGUAMAX 300?
Blaupunkt BLP-THERMA+300L: 127 %. COSMOGAS AGUAMAX 300: 118 %.
Which is better on annual electricity use (average climate): the Blaupunkt BLP-THERMA+300L or the COSMOGAS AGUAMAX 300?
Blaupunkt BLP-THERMA+300L: 1,111 kWh. COSMOGAS AGUAMAX 300: 1,389 kWh.
Which is better on annual electricity use, warmer climate: the Blaupunkt BLP-THERMA+300L or the COSMOGAS AGUAMAX 300?
Blaupunkt BLP-THERMA+300L: 1,149 kWh. COSMOGAS AGUAMAX 300: 1,300 kWh.
Related comparisons
How we collect and check this data →
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026