AERMEC SWP301 vs Cointra OASIS TECH 200 LT

Water heating efficiency ηwh: AERMEC SWP301 124 %, Cointra OASIS TECH 200 LT 135 %. The Cointra OASIS TECH 200 LT is better on 5 of 7 comparable points.
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Both models in detail
Who wins where
- AERMEC SWP301
- Cointra OASIS TECH 200 LT
Biggest differences
| Fact | SWP301 | OASIS TECH 200 LT |
|---|---|---|
| Outdoor sound power | 60 dB(A) | 45 dB(A) |
| Annual electricity use, warmer climate | 826 kWh | 631 kWh |
| ηwh, warmer climate | 124 % | 162 % |
| ηwh, colder climate | 124 % | 106 % |
| Annual electricity use, colder climate | 826 kWh | 944 kWh |
| Indoor sound power | 60 dB(A) | 53 dB(A) |
Score per area = position (0–100) relative to all 450 models in this category; higher is better.
| Technical specifications | AERMECSWP301 | CointraOASIS TECH 200 LT |
|---|---|---|
| General | ||
| Load profile | L1 | L2 |
| Efficiency | ||
| Water heating efficiency ηwh | 124 %1 | 135 %✓2 |
| ηwh, colder climate | 124 %✓1 | 106 %2 |
| ηwh, warmer climate | 124 %1 | 162 %✓2 |
| Energy label | A+1 | A+2 |
| Annual electricity use, colder climate | 826 kWh✓1 | 944 kWh2 |
| Annual electricity use, warmer climate | 826 kWh1 | 631 kWh✓2 |
| Noise | ||
| Indoor sound power | 60 dB(A)1 | 53 dB(A)✓2 |
| Outdoor sound power | 60 dB(A)1 | 45 dB(A)✓2 |
Frequently asked questions
Which is better: the AERMEC SWP301 or the Cointra OASIS TECH 200 LT?
Water heating efficiency ηwh: AERMEC SWP301 124 %, Cointra OASIS TECH 200 LT 135 %. The Cointra OASIS TECH 200 LT is better on 5 of 7 comparable points.
What is the water heating efficiency ηwh of the AERMEC SWP301 and the Cointra OASIS TECH 200 LT?
AERMEC SWP301: 124 %. Cointra OASIS TECH 200 LT: 135 %.
Which is better on outdoor sound power: the AERMEC SWP301 or the Cointra OASIS TECH 200 LT?
Cointra OASIS TECH 200 LT: 45 dB(A). AERMEC SWP301: 60 dB(A).
Which is better on annual electricity use, warmer climate: the AERMEC SWP301 or the Cointra OASIS TECH 200 LT?
Cointra OASIS TECH 200 LT: 631 kWh. AERMEC SWP301: 826 kWh.
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