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Heat pump water heaters · INT

Buderus 7738340432

Buderus 7738340432
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The Buderus 7738340432 is a heat pump water heater with water heating efficiency ηwh 120 %, load profile L and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
120%1
Load profile
L1
Official source
Energy label
A+1
Official source
Indoor sound power
56dB(A)1
Official source
ηwh, colder climate
105%1
Official source

Technical specifications

General
Load profileL1
Registered in EPREL2025-091
Efficiency
Water heating efficiency ηwh120 %1
ηwh, colder climate105 %1
ηwh, warmer climate146 %1
Energy labelA+1
Annual electricity use, colder climate977 kWh1
Annual electricity use, warmer climate702 kWh1
Noise
Indoor sound power56 dB(A)1
Outdoor sound power63 dB(A)1
Connectivity & smart
Smart controlNo1
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 16% of comparable models in our database (Heat pump water heaters · Load profile L; n = 175).

Rank 144 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 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 116–120 %. After each type number you can see what differs:

  • 7738340432
  • 7738340433
  • 7738344001 — Water heating efficiency ηwh: 116 %; Annual electricity use, colder climate: 1,050 kWh; Annual electricity use, warmer climate: 723 kWh; ηwh, colder climate: 98 %

Manufacturer documentation

External links to Buderus'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 Buderus 7738340432?

The water heating efficiency ηwh of the Buderus 7738340432 is 120 %.1

Which load profile does the Buderus 7738340432 have?

The Buderus 7738340432 has load profile L.1

Which energy label does the Buderus 7738340432 have?

The Buderus 7738340432 has energy label A+.1

What is the indoor sound power of the Buderus 7738340432?

The indoor sound power of the Buderus 7738340432 is 56 dB(A).1

Sources

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