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AUSTRIA EMAIL 986093 vs R-Aqua HPB 300A

Water heating efficiency ηwh: AUSTRIA EMAIL 986093 130 %, R-Aqua HPB 300A 142 %. The R-Aqua HPB 300A is better on 7 of 8 comparable points.

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Who wins where

  • AUSTRIA EMAIL 986093
  • R-Aqua HPB 300A
EfficiencyNoiseConnectivity & smart

Biggest differences

Fact986093HPB 300A
Indoor sound power53 dB(A)35 dB(A)
Outdoor sound power56 dB(A)50 dB(A)
ηwh, warmer climate148 %163 %
Annual electricity use, warmer climate1,128 kWh1,030 kWh
Water heating efficiency ηwh130 %142 %
ηwh, colder climate108 %116 %
All specifications ↓

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

AUSTRIA EMAIL986093R-AquaHPB 300A
General
Load profileXL1XL2
Efficiency
Water heating efficiency ηwh130 %1142 %✓2
ηwh, colder climate108 %1116 %✓2
ηwh, warmer climate148 %1163 %✓2
Energy labelA+1A+2
Annual electricity use, colder climate1,546 kWh11,450 kWh✓2
Annual electricity use, warmer climate1,128 kWh11,030 kWh✓2
Noise
Indoor sound power53 dB(A)135 dB(A)✓2
Outdoor sound power56 dB(A)150 dB(A)✓2
Connectivity & smart
Smart controlYes1Yes2

Frequently asked questions

Which is better: the AUSTRIA EMAIL 986093 or the R-Aqua HPB 300A?

Water heating efficiency ηwh: AUSTRIA EMAIL 986093 130 %, R-Aqua HPB 300A 142 %. The R-Aqua HPB 300A is better on 7 of 8 comparable points.

What is the water heating efficiency ηwh of the AUSTRIA EMAIL 986093 and the R-Aqua HPB 300A?

AUSTRIA EMAIL 986093: 130 %. R-Aqua HPB 300A: 142 %.

Which is better on indoor sound power: the AUSTRIA EMAIL 986093 or the R-Aqua HPB 300A?

R-Aqua HPB 300A: 35 dB(A). AUSTRIA EMAIL 986093: 53 dB(A).

Which is better on outdoor sound power: the AUSTRIA EMAIL 986093 or the R-Aqua HPB 300A?

R-Aqua HPB 300A: 50 dB(A). AUSTRIA EMAIL 986093: 56 dB(A).

How we collect and check this data →

Sources

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