AERMEC SWP301 vs ARISTON 3629147-A J1 EVO UPD 150L
Water heating efficiency ηwh: AERMEC SWP301 124 %, ARISTON 3629147-A J1 EVO UPD 150L 131 %. The ARISTON 3629147-A J1 EVO UPD 150L is better on 5 of 7 comparable points.
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Both models in detail
Who wins where
- AERMEC SWP301
- ARISTON 3629147-A J1 EVO UPD 150L
Biggest differences
| Fact | SWP301 | 3629147-A J1 EVO UPD 150L |
|---|---|---|
| Indoor sound power | 60 dB(A) | 45 dB(A) |
| ηwh, colder climate | 124 % | 97 % |
| Annual electricity use, colder climate | 826 kWh | 1,051 kWh |
| Outdoor sound power | 60 dB(A) | 49 dB(A) |
| ηwh, warmer climate | 124 % | 151 % |
| Annual electricity use, warmer climate | 826 kWh | 679 kWh |
Score per area = position (0–100) relative to all 450 models in this category; higher is better.
| Technical specifications | AERMECSWP301 | ARISTON3629147-A J1 EVO UPD 150L |
|---|---|---|
| General | ||
| Load profile | L1 | L2 |
| Efficiency | ||
| Water heating efficiency ηwh | 124 %1 | 131 %✓2 |
| ηwh, colder climate | 124 %✓1 | 97 %2 |
| ηwh, warmer climate | 124 %1 | 151 %✓2 |
| Energy label | A+1 | A+2 |
| Annual electricity use, colder climate | 826 kWh✓1 | 1,051 kWh2 |
| Annual electricity use, warmer climate | 826 kWh1 | 679 kWh✓2 |
| Noise | ||
| Indoor sound power | 60 dB(A)1 | 45 dB(A)✓2 |
| Outdoor sound power | 60 dB(A)1 | 49 dB(A)✓2 |
Frequently asked questions
Which is better: the AERMEC SWP301 or the ARISTON 3629147-A J1 EVO UPD 150L?
Water heating efficiency ηwh: AERMEC SWP301 124 %, ARISTON 3629147-A J1 EVO UPD 150L 131 %. The ARISTON 3629147-A J1 EVO UPD 150L is better on 5 of 7 comparable points.
What is the water heating efficiency ηwh of the AERMEC SWP301 and the ARISTON 3629147-A J1 EVO UPD 150L?
AERMEC SWP301: 124 %. ARISTON 3629147-A J1 EVO UPD 150L: 131 %.
Which is better on indoor sound power: the AERMEC SWP301 or the ARISTON 3629147-A J1 EVO UPD 150L?
ARISTON 3629147-A J1 EVO UPD 150L: 45 dB(A). AERMEC SWP301: 60 dB(A).
Which is better on ηwh, colder climate: the AERMEC SWP301 or the ARISTON 3629147-A J1 EVO UPD 150L?
AERMEC SWP301: 124 %. ARISTON 3629147-A J1 EVO UPD 150L: 97 %.
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