AIRTHERMIA EU-RSJ-09/150RDN7-B1 vs AUSTRIA EMAIL 976043
Water heating efficiency ηwh: AIRTHERMIA EU-RSJ-09/150RDN7-B1 122 %, AUSTRIA EMAIL 976043 127 %. The AUSTRIA EMAIL 976043 is better on 4 of 7 comparable points.
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Both models in detail
Who wins where
- AIRTHERMIA EU-RSJ-09/150RDN7-B1
- AUSTRIA EMAIL 976043
Biggest differences
| Fact | EU-RSJ-09/150RDN7-B1 | 976043 |
|---|---|---|
| Indoor sound power | 56 dB(A) | 45 dB(A) |
| Annual electricity use, colder climate | 997 kWh | 947 kWh |
| ηwh, colder climate | 103 % | 108 % |
| Water heating efficiency ηwh | 122 % | 127 % |
| ηwh, warmer climate | 137 % | 133 % |
| Annual electricity use, warmer climate | 746 kWh | 764 kWh |
Score per area = position (0–100) relative to all 450 models in this category; higher is better.
| Technical specifications | AIRTHERMIAEU-RSJ-09/150RDN7-B1 | AUSTRIA EMAIL976043 |
|---|---|---|
| General | ||
| Load profile | L1 | L2 |
| Efficiency | ||
| Water heating efficiency ηwh | 122 %1 | 127 %✓2 |
| ηwh, colder climate | 103 %1 | 108 %✓2 |
| ηwh, warmer climate | 137 %✓1 | 133 %2 |
| Energy label | A+1 | A+2 |
| Annual electricity use, colder climate | 997 kWh1 | 947 kWh✓2 |
| Annual electricity use, warmer climate | 746 kWh✓1 | 764 kWh2 |
| Noise | ||
| Indoor sound power | 56 dB(A)1 | 45 dB(A)✓2 |
| Outdoor sound power | – | 46 dB(A)2 |
| Connectivity & smart | ||
| Smart control | Yes1 | Yes2 |
Frequently asked questions
Which is better: the AIRTHERMIA EU-RSJ-09/150RDN7-B1 or the AUSTRIA EMAIL 976043?
Water heating efficiency ηwh: AIRTHERMIA EU-RSJ-09/150RDN7-B1 122 %, AUSTRIA EMAIL 976043 127 %. The AUSTRIA EMAIL 976043 is better on 4 of 7 comparable points.
What is the water heating efficiency ηwh of the AIRTHERMIA EU-RSJ-09/150RDN7-B1 and the AUSTRIA EMAIL 976043?
AIRTHERMIA EU-RSJ-09/150RDN7-B1: 122 %. AUSTRIA EMAIL 976043: 127 %.
Which is better on indoor sound power: the AIRTHERMIA EU-RSJ-09/150RDN7-B1 or the AUSTRIA EMAIL 976043?
AUSTRIA EMAIL 976043: 45 dB(A). AIRTHERMIA EU-RSJ-09/150RDN7-B1: 56 dB(A).
Which is better on annual electricity use, colder climate: the AIRTHERMIA EU-RSJ-09/150RDN7-B1 or the AUSTRIA EMAIL 976043?
AUSTRIA EMAIL 976043: 947 kWh. AIRTHERMIA EU-RSJ-09/150RDN7-B1: 997 kWh.
Related comparisons
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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