ARISTON NUOS SPLIT INVERTER WI-FI ER 120 4057034
The ARISTON NUOS SPLIT INVERTER WI-FI ER 120 4057034 is a heat pump water heater with water heating efficiency ηwh 118 %, load profile M and energy label A+.1
Key figures
Technical specifications
| General | |
|---|---|
| Load profile | M1 |
| Registered in EPREL | 2025-031 |
| Efficiency | |
| Water heating efficiency ηwh | 118 %1 |
| ηwh, colder climate | 93 %1 |
| ηwh, warmer climate | 137 %1 |
| Energy label | A+1 |
| Annual electricity use, colder climate | 553 kWh1 |
| Annual electricity use, warmer climate | 374 kWh1 |
| Noise | |
| Outdoor sound power | 56 dB(A)1 |
| Connectivity & smart | |
| Off-peak hours only | No1 |
How it ranks
Water heating efficiency ηwh: better than 52% of comparable models in our database (Heat pump water heaters · Load profile M; n = 98).
Rank 40 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.
Manufacturer documentation
External links to ARISTON's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Similar models
Other brands, same type and a comparable size.
More from ARISTON
- ARISTON 3629147-A J1 EVO UPD 150L Water heating efficiency ηwh: 131 %
- ARISTON NUOS PLUS S2 WI-FI 200 FS 3069790 Water heating efficiency ηwh: 142 %
- ARISTON NUOS PLUS S2 WI-FI 250 FS 3069791 Water heating efficiency ηwh: 144 %
- ARISTON NUOS PLUS WI-FI 200D 3069780 Water heating efficiency ηwh: 130 %
How we collect and check this data →
Frequently asked questions
What is the water heating efficiency ηwh of the ARISTON NUOS SPLIT INVERTER WI-FI ER 120 4057034?
The water heating efficiency ηwh of the ARISTON NUOS SPLIT INVERTER WI-FI ER 120 4057034 is 118 %.1
Which load profile does the ARISTON NUOS SPLIT INVERTER WI-FI ER 120 4057034 have?
The ARISTON NUOS SPLIT INVERTER WI-FI ER 120 4057034 has load profile M.1
Which energy label does the ARISTON NUOS SPLIT INVERTER WI-FI ER 120 4057034 have?
The ARISTON NUOS SPLIT INVERTER WI-FI ER 120 4057034 has energy label A+.1
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026