Heat pump water heaters · MT

ATAG EN LYDOS HYBRID WI-FI 100 4060000

The ATAG EN LYDOS HYBRID WI-FI 100 4060000 is a heat pump water heater with water heating efficiency ηwh 79 %, load profile M and energy label A.1

Key figures

Water heating efficiency ηwh
79%1
Load profile
M1
Official source
Energy label
A1
Official source
Indoor sound power
49dB(A)1
Official source
ηwh, colder climate
79%1
Official source

Technical specifications

General
Load profileM1
Registered in EPREL2025-031
Efficiency
Water heating efficiency ηwh79 %1
ηwh, colder climate79 %1
ηwh, warmer climate79 %1
Energy labelA1
Annual electricity use, colder climate652 kWh1
Annual electricity use, warmer climate652 kWh1
Noise
Indoor sound power49 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 0% of comparable models in our database (Heat pump water heaters · Load profile M; n = 98).

Rank 99 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.

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Other brands, same type and a comparable size.

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Frequently asked questions

What is the water heating efficiency ηwh of the ATAG EN LYDOS HYBRID WI-FI 100 4060000?

The water heating efficiency ηwh of the ATAG EN LYDOS HYBRID WI-FI 100 4060000 is 79 %.1

Which load profile does the ATAG EN LYDOS HYBRID WI-FI 100 4060000 have?

The ATAG EN LYDOS HYBRID WI-FI 100 4060000 has load profile M.1

Which energy label does the ATAG EN LYDOS HYBRID WI-FI 100 4060000 have?

The ATAG EN LYDOS HYBRID WI-FI 100 4060000 has energy label A.1

What is the indoor sound power of the ATAG EN LYDOS HYBRID WI-FI 100 4060000?

The indoor sound power of the ATAG EN LYDOS HYBRID WI-FI 100 4060000 is 49 dB(A).1

Sources

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