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Heat pump water heaters · Compare

AUSTRIA EMAIL 976043 vs NONAME 886126

Water heating efficiency ηwh: AUSTRIA EMAIL 976043 127 %, NONAME 886126 129 %. The NONAME 886126 is better on 5 of 8 comparable points.

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Who wins where

  • AUSTRIA EMAIL 976043
  • NONAME 886126
EfficiencyNoiseConnectivity & smart

Biggest differences

Fact976043886126
Outdoor sound power46 dB(A)58 dB(A)
ηwh, warmer climate133 %144 %
Annual electricity use, warmer climate764 kWh711 kWh
ηwh, colder climate108 %115 %
Annual electricity use, colder climate947 kWh891 kWh
Indoor sound power45 dB(A)47 dB(A)
All specifications ↓

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

AUSTRIA EMAIL976043NONAME886126
General
Load profileL1L2
Efficiency
Water heating efficiency ηwh127 %1129 %✓2
ηwh, colder climate108 %1115 %✓2
ηwh, warmer climate133 %1144 %✓2
Energy labelA+1A+2
Annual electricity use, colder climate947 kWh1891 kWh✓2
Annual electricity use, warmer climate764 kWh1711 kWh✓2
Noise
Indoor sound power45 dB(A)✓147 dB(A)2
Outdoor sound power46 dB(A)✓158 dB(A)2
Connectivity & smart
Smart controlYes1Yes2

Frequently asked questions

Which is better: the AUSTRIA EMAIL 976043 or the NONAME 886126?

Water heating efficiency ηwh: AUSTRIA EMAIL 976043 127 %, NONAME 886126 129 %. The NONAME 886126 is better on 5 of 8 comparable points.

What is the water heating efficiency ηwh of the AUSTRIA EMAIL 976043 and the NONAME 886126?

AUSTRIA EMAIL 976043: 127 %. NONAME 886126: 129 %.

Which is better on outdoor sound power: the AUSTRIA EMAIL 976043 or the NONAME 886126?

AUSTRIA EMAIL 976043: 46 dB(A). NONAME 886126: 58 dB(A).

Which is better on ηwh, warmer climate: the AUSTRIA EMAIL 976043 or the NONAME 886126?

NONAME 886126: 144 %. AUSTRIA EMAIL 976043: 133 %.

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