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Heat pump water heaters · MT

ATLANTIC 234511

ATLANTIC 234511
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The ATLANTIC 234511 is a heat pump water heater with water heating efficiency ηwh 113 %, load profile M and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
113%1
Load profile
M1
Official source
Energy label
A+1
Official source
Indoor sound power
37dB(A)1
Official source
ηwh, colder climate
101%1
Official source

Technical specifications

General
Load profileM1
Registered in EPREL2025-101
Efficiency
Water heating efficiency ηwh113 %1
ηwh, colder climate101 %1
ηwh, warmer climate134 %1
Energy labelA+1
Annual electricity use, colder climate508 kWh1
Annual electricity use, warmer climate383 kWh1
Noise
Indoor sound power37 dB(A)1
Outdoor sound power43 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 33% of comparable models in our database (Heat pump water heaters · Load profile M; n = 98).

Rank 61 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.

Variants

This model belongs to a series of 3 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 111–113 %. After each type number you can see what differs:

  • 234511
  • 234510 — Water heating efficiency ηwh: 111 %; Annual electricity use, colder climate: 520 kWh; Annual electricity use, warmer climate: 389 kWh; ηwh, colder climate: 99 %
  • 866015 — Water heating efficiency ηwh: 111 %; Annual electricity use, colder climate: 520 kWh; Annual electricity use, warmer climate: 389 kWh; ηwh, colder climate: 99 %

Manufacturer documentation

External links to ATLANTIC's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

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Frequently asked questions

What is the water heating efficiency ηwh of the ATLANTIC 234511?

The water heating efficiency ηwh of the ATLANTIC 234511 is 113 %.1

Which load profile does the ATLANTIC 234511 have?

The ATLANTIC 234511 has load profile M.1

Which energy label does the ATLANTIC 234511 have?

The ATLANTIC 234511 has energy label A+.1

What is the indoor sound power of the ATLANTIC 234511?

The indoor sound power of the ATLANTIC 234511 is 37 dB(A).1

Sources

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