Heat pump water heaters · Compare

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.

Last updated: + Add a model

Both models in detail

Who wins where

  • Airwell TFHM-100H-04M25
  • BULG AquaHeat Pro 80L

Biggest differences

FactTFHM-100H-04M25AquaHeat Pro 80L
Indoor sound power54 dB(A)48 dB(A)
Outdoor sound power54 dB(A)48 dB(A)
Annual electricity use, colder climate558 kWh607 kWh
ηwh, colder climate92 %85 %
Water heating efficiency ηwh111 %118 %
Annual electricity use, warmer climate451 kWh434 kWh
All specifications ↓

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

Technical specificationsAirwellTFHM-100H-04M25BULGAquaHeat Pro 80L
General
Load profileM1M2
Efficiency
Water heating efficiency ηwh111 %1118 %✓2
ηwh, colder climate92 %✓185 %2
ηwh, warmer climate114 %1118 %✓2
Energy labelA+1A+2
Annual electricity use, colder climate558 kWh✓1607 kWh2
Annual electricity use, warmer climate451 kWh1434 kWh✓2
Noise
Indoor sound power54 dB(A)148 dB(A)✓2
Outdoor sound power54 dB(A)148 dB(A)✓2
Connectivity & smart
Smart controlYes1–

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).

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