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Airwell TFHM-100H-04M25 vs Buderus 7724000203

Water heating efficiency ηwh: Airwell TFHM-100H-04M25 111 %, Buderus 7724000203 114 %. The Buderus 7724000203 is better on 7 of 8 comparable points.

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Who wins where

  • Airwell TFHM-100H-04M25
  • Buderus 7724000203
EfficiencyNoiseConnectivity & smart

Biggest differences

FactTFHM-100H-04M257724000203
Indoor sound power54 dB(A)47 dB(A)
Outdoor sound power54 dB(A)47 dB(A)
ηwh, warmer climate114 %124 %
Annual electricity use, warmer climate451 kWh415 kWh
ηwh, colder climate92 %98 %
Annual electricity use, colder climate558 kWh524 kWh
All specifications ↓

Score per area = position (0–100) relative to all 450 models in this category; higher is better.

AirwellTFHM-100H-04M25Buderus7724000203
General
Load profileM1M2
Efficiency
Water heating efficiency ηwh111 %1114 %✓2
ηwh, colder climate92 %198 %✓2
ηwh, warmer climate114 %1124 %✓2
Energy labelA+1A+2
Annual electricity use, colder climate558 kWh1524 kWh✓2
Annual electricity use, warmer climate451 kWh1415 kWh✓2
Noise
Indoor sound power54 dB(A)147 dB(A)✓2
Outdoor sound power54 dB(A)147 dB(A)✓2
Connectivity & smart
Smart controlYes✓1No2

Frequently asked questions

Which is better: the Airwell TFHM-100H-04M25 or the Buderus 7724000203?

Water heating efficiency ηwh: Airwell TFHM-100H-04M25 111 %, Buderus 7724000203 114 %. The Buderus 7724000203 is better on 7 of 8 comparable points.

What is the water heating efficiency ηwh of the Airwell TFHM-100H-04M25 and the Buderus 7724000203?

Airwell TFHM-100H-04M25: 111 %. Buderus 7724000203: 114 %.

Which is better on indoor sound power: the Airwell TFHM-100H-04M25 or the Buderus 7724000203?

Buderus 7724000203: 47 dB(A). Airwell TFHM-100H-04M25: 54 dB(A).

Which is better on outdoor sound power: the Airwell TFHM-100H-04M25 or the Buderus 7724000203?

Buderus 7724000203: 47 dB(A). Airwell TFHM-100H-04M25: 54 dB(A).

How we collect and check this data →

Sources

  1. European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026
  2. European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026