Airwell TFHM-100H-04M25 vs BULG AquaHeat Pro 80L
Water heating efficiency ηwh: Airwell TFHM-100H-04M25 111 %, BULG AquaHeat Pro 80L 118 %. The BULG AquaHeat Pro 80L is better on 5 of 7 comparable points.
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Both models in detail
Who wins where
- Airwell TFHM-100H-04M25
- BULG AquaHeat Pro 80L
Biggest differences
| Fact | TFHM-100H-04M25 | AquaHeat Pro 80L |
|---|---|---|
| Indoor sound power | 54 dB(A) | 48 dB(A) |
| Outdoor sound power | 54 dB(A) | 48 dB(A) |
| Annual electricity use, colder climate | 558 kWh | 607 kWh |
| ηwh, colder climate | 92 % | 85 % |
| Water heating efficiency ηwh | 111 % | 118 % |
| Annual electricity use, warmer climate | 451 kWh | 434 kWh |
Score per area = position (0–100) relative to all 450 models in this category; higher is better.
| Technical specifications | AirwellTFHM-100H-04M25 | BULGAquaHeat Pro 80L |
|---|---|---|
| General | ||
| Load profile | M1 | M2 |
| Efficiency | ||
| Water heating efficiency ηwh | 111 %1 | 118 %✓2 |
| ηwh, colder climate | 92 %✓1 | 85 %2 |
| ηwh, warmer climate | 114 %1 | 118 %✓2 |
| Energy label | A+1 | A+2 |
| Annual electricity use, colder climate | 558 kWh✓1 | 607 kWh2 |
| Annual electricity use, warmer climate | 451 kWh1 | 434 kWh✓2 |
| Noise | ||
| Indoor sound power | 54 dB(A)1 | 48 dB(A)✓2 |
| Outdoor sound power | 54 dB(A)1 | 48 dB(A)✓2 |
| Connectivity & smart | ||
| Smart control | Yes1 | – |
Frequently asked questions
Which is better: the Airwell TFHM-100H-04M25 or the BULG AquaHeat Pro 80L?
Water heating efficiency ηwh: Airwell TFHM-100H-04M25 111 %, BULG AquaHeat Pro 80L 118 %. The BULG AquaHeat Pro 80L is better on 5 of 7 comparable points.
What is the water heating efficiency ηwh of the Airwell TFHM-100H-04M25 and the BULG AquaHeat Pro 80L?
Airwell TFHM-100H-04M25: 111 %. BULG AquaHeat Pro 80L: 118 %.
Which is better on indoor sound power: the Airwell TFHM-100H-04M25 or the BULG AquaHeat Pro 80L?
BULG AquaHeat Pro 80L: 48 dB(A). Airwell TFHM-100H-04M25: 54 dB(A).
Which is better on outdoor sound power: the Airwell TFHM-100H-04M25 or the BULG AquaHeat Pro 80L?
BULG AquaHeat Pro 80L: 48 dB(A). Airwell TFHM-100H-04M25: 54 dB(A).
Related comparisons
How we collect and check this data →
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed Oct 13, 2026
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed Oct 13, 2026