Immergas RAPAX 100 V4
The Immergas RAPAX 100 V4 is a heat pump water heater with water heating efficiency ηwh 111 %, load profile M and energy label A+.1
Key figures
Technical specifications
| General | |
|---|---|
| Load profile | M1 |
| Registered in EPREL | 2026-031 |
| Efficiency | |
| Water heating efficiency ηwh | 111 %1 |
| ηwh, colder climate | 92 %1 |
| ηwh, warmer climate | 114 %1 |
| Energy label | A+1 |
| Annual electricity use, colder climate | 558 kWh1 |
| Annual electricity use, warmer climate | 451 kWh1 |
| Noise | |
| Indoor sound power | 54 dB(A)1 |
| Outdoor sound power | 54 dB(A)1 |
| Connectivity & smart | |
| Off-peak hours only | No1 |
How it ranks
Water heating efficiency ηwh: better than 22% of comparable models in our database (Heat pump water heaters · Load profile M; n = 98).
Rank 71 of 99
Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.
Similar models
Other brands, same type and a comparable size.
More from Immergas
- Immergas IMMERWATER 190 V5 Water heating efficiency ηwh: 115 %
- Immergas IMMERWATER 300 V5 Water heating efficiency ηwh: 123 %
- Immergas RAPAX 200 V4 Water heating efficiency ηwh: 131 %
- Immergas RAPAX 300 V4 Water heating efficiency ηwh: 132 %
How we collect and check this data →
Frequently asked questions
What is the water heating efficiency ηwh of the Immergas RAPAX 100 V4?
The water heating efficiency ηwh of the Immergas RAPAX 100 V4 is 111 %.1
Which load profile does the Immergas RAPAX 100 V4 have?
The Immergas RAPAX 100 V4 has load profile M.1
Which energy label does the Immergas RAPAX 100 V4 have?
The Immergas RAPAX 100 V4 has energy label A+.1
What is the indoor sound power of the Immergas RAPAX 100 V4?
The indoor sound power of the Immergas RAPAX 100 V4 is 54 dB(A).1
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026