Airwell TFHM-100H-04M25 vs Cointra OASIS TECH 90 LT
Water heating efficiency ηwh: Airwell TFHM-100H-04M25 111 %, Cointra OASIS TECH 90 LT 134 %. The Cointra OASIS TECH 90 LT is better on 6 of 7 comparable points.
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Both models in detail
Who wins where
- Airwell TFHM-100H-04M25
- Cointra OASIS TECH 90 LT
Biggest differences
| Fact | TFHM-100H-04M25 | OASIS TECH 90 LT |
|---|---|---|
| Annual electricity use, warmer climate | 451 kWh | 334 kWh |
| ηwh, warmer climate | 114 % | 153 % |
| Water heating efficiency ηwh | 111 % | 134 % |
| Outdoor sound power | 54 dB(A) | 45 dB(A) |
| Annual electricity use, colder climate | 558 kWh | 500 kWh |
| ηwh, colder climate | 92 % | 100 % |
Score per area = position (0–100) relative to all 450 models in this category; higher is better.
| Technical specifications | AirwellTFHM-100H-04M25 | CointraOASIS TECH 90 LT |
|---|---|---|
| General | ||
| Load profile | M1 | M2 |
| Efficiency | ||
| Water heating efficiency ηwh | 111 %1 | 134 %✓2 |
| ηwh, colder climate | 92 %1 | 100 %✓2 |
| ηwh, warmer climate | 114 %1 | 153 %✓2 |
| Energy label | A+1 | A+2 |
| Annual electricity use, colder climate | 558 kWh1 | 500 kWh✓2 |
| Annual electricity use, warmer climate | 451 kWh1 | 334 kWh✓2 |
| Noise | ||
| Indoor sound power | 54 dB(A)1 | 54 dB(A)2 |
| Outdoor sound power | 54 dB(A)1 | 45 dB(A)✓2 |
| Connectivity & smart | ||
| Smart control | Yes1 | – |
Frequently asked questions
Which is better: the Airwell TFHM-100H-04M25 or the Cointra OASIS TECH 90 LT?
Water heating efficiency ηwh: Airwell TFHM-100H-04M25 111 %, Cointra OASIS TECH 90 LT 134 %. The Cointra OASIS TECH 90 LT is better on 6 of 7 comparable points.
What is the water heating efficiency ηwh of the Airwell TFHM-100H-04M25 and the Cointra OASIS TECH 90 LT?
Airwell TFHM-100H-04M25: 111 %. Cointra OASIS TECH 90 LT: 134 %.
Which is better on annual electricity use, warmer climate: the Airwell TFHM-100H-04M25 or the Cointra OASIS TECH 90 LT?
Cointra OASIS TECH 90 LT: 334 kWh. Airwell TFHM-100H-04M25: 451 kWh.
Which is better on ηwh, warmer climate: the Airwell TFHM-100H-04M25 or the Cointra OASIS TECH 90 LT?
Cointra OASIS TECH 90 LT: 153 %. Airwell TFHM-100H-04M25: 114 %.
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