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Heat pump water heaters · INT

ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073

The ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073 is a heat pump water heater with water heating efficiency ηwh 142 %, load profile L and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
142%1
Load profile
L1
Official source
Energy label
A+1
Official source
Indoor sound power
48dB(A)1
Official source
ηwh, colder climate
100%1
Official source

Technical specifications

General
Load profileL1
Registered in EPREL2025-121
Efficiency
Water heating efficiency ηwh142 %1
ηwh, colder climate100 %1
ηwh, warmer climate158 %1
Energy labelA+1
Annual electricity use, colder climate1,025 kWh1
Annual electricity use, warmer climate648 kWh1
Noise
Indoor sound power48 dB(A)1
Outdoor sound power57 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 74% of comparable models in our database (Heat pump water heaters · Load profile L; n = 175).

Rank 43 of 176

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.

Variants

This model belongs to a series of 2 variants with the same load profile and energy class. The figures on this page apply to the variant above; other variants differ in: Water heating efficiency ηwh 130–142 %. After each type number you can see what differs:

  • ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073
  • ENERGION NUOS PLUS 200 3069809 — Water heating efficiency ηwh: 130 %; Annual electricity use, colder climate: 1,028 kWh; Annual electricity use, warmer climate: 749 kWh; ηwh, warmer climate: 137 %

Compare with

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Frequently asked questions

What is the water heating efficiency ηwh of the ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073?

The water heating efficiency ηwh of the ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073 is 142 %.1

Which load profile does the ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073 have?

The ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073 has load profile L.1

Which energy label does the ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073 have?

The ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073 has energy label A+.1

What is the indoor sound power of the ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073?

The indoor sound power of the ATAG ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073 is 48 dB(A).1

Sources

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