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Blaupunkt BLP-THERMA+300L vs Haier HP250M7-F9

Water heating efficiency ηwh: Blaupunkt BLP-THERMA+300L 127 %, Haier HP250M7-F9 133 %. The Haier HP250M7-F9 is better on 4 of 7 comparable points.

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Both models in detail

Who wins where

  • Blaupunkt BLP-THERMA+300L
  • Haier HP250M7-F9

Biggest differences

FactBLP-THERMA+300LHP250M7-F9
Indoor sound power56 dB(A)50 dB(A)
ηwh, colder climate105 %110 %
Water heating efficiency ηwh127 %133 %
Annual electricity use, colder climate1,586 kWh1,518 kWh
All specifications ↓

Score per area = position (0–100) relative to all 450 models in this category; higher is better.

Technical specificationsBlaupunktBLP-THERMA+300LHaierHP250M7-F9
General
Load profileXL1XL2
Efficiency
Water heating efficiency ηwh127 %1133 %✓2
ηwh, colder climate105 %1110 %✓2
ηwh, warmer climate146 %✓1144 %2
Energy labelA+1A+2
Annual electricity use (average climate)1,111 kWh11,111 kWh2
Annual electricity use, colder climate1,586 kWh11,518 kWh✓2
Annual electricity use, warmer climate1,149 kWh✓11,162 kWh2
Noise
Indoor sound power56 dB(A)150 dB(A)✓2

Frequently asked questions

Which is better: the Blaupunkt BLP-THERMA+300L or the Haier HP250M7-F9?

Water heating efficiency ηwh: Blaupunkt BLP-THERMA+300L 127 %, Haier HP250M7-F9 133 %. The Haier HP250M7-F9 is better on 4 of 7 comparable points.

What is the water heating efficiency ηwh of the Blaupunkt BLP-THERMA+300L and the Haier HP250M7-F9?

Blaupunkt BLP-THERMA+300L: 127 %. Haier HP250M7-F9: 133 %.

Which is better on indoor sound power: the Blaupunkt BLP-THERMA+300L or the Haier HP250M7-F9?

Haier HP250M7-F9: 50 dB(A). Blaupunkt BLP-THERMA+300L: 56 dB(A).

Which is better on ηwh, colder climate: the Blaupunkt BLP-THERMA+300L or the Haier HP250M7-F9?

Haier HP250M7-F9: 110 %. Blaupunkt BLP-THERMA+300L: 105 %.

How we collect and check this data →

Sources

  1. European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed Oct 13, 2026
  2. European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed Oct 13, 2026