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Heat pump water heaters · UK

Itho Daalderop WPU18 C-5G + WPV 90L 3G

The Itho Daalderop WPU18 C-5G + WPV 90L 3G is a heat pump water heater with water heating efficiency ηwh 158 %, load profile L and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
158%1
Load profile
L1
Official source
Energy label
A+1
Official source
Indoor sound power
42dB(A)1
Official source
ηwh, colder climate
158%1
Official source

Technical specifications

General
Load profileL1
Registered in EPREL2024-111
Efficiency
Water heating efficiency ηwh158 %1
ηwh, colder climate158 %1
ηwh, warmer climate158 %1
Energy labelA+1
Annual electricity use, colder climate647 kWh1
Annual electricity use, warmer climate647 kWh1
Noise
Indoor sound power42 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 85% of comparable models in our database (Heat pump water heaters · Load profile L; n = 175).

Rank 27 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 21 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 158–159 %. After each type number you can see what differs:

  • WPU18 C-5G + WPV 90L 3G
  • WPU18 COE-5G + WPV 90L 3G
  • WPU25 C-5G + WPV 150L 3G — Annual electricity use, colder climate: 646 kWh; Annual electricity use, warmer climate: 646 kWh; Indoor sound power: 44 dB(A)
  • WPU25 C-5G + WPV 90L 2G — Annual electricity use, colder climate: 648 kWh; Annual electricity use, warmer climate: 648 kWh; Indoor sound power: 44 dB(A)
  • WPU25 COE-5G + WPV 150L 3G — Annual electricity use, colder climate: 646 kWh; Annual electricity use, warmer climate: 646 kWh; Indoor sound power: 44 dB(A)
  • WPU25 COE-5G + WPV 90L 2G — Annual electricity use, colder climate: 648 kWh; Annual electricity use, warmer climate: 648 kWh; Indoor sound power: 44 dB(A)
  • WPU25 E-5G + WPV 150L 3G — Water heating efficiency ηwh: 159 %; Annual electricity use, colder climate: 644 kWh; Annual electricity use, warmer climate: 644 kWh; ηwh, colder climate: 159 %
  • WPU25 E-5G + WPV 90L 2G — Annual electricity use, colder climate: 649 kWh; Annual electricity use, warmer climate: 649 kWh; Indoor sound power: 44 dB(A)
  • WPU25 KC-5G + WPV 150L 3G — Water heating efficiency ηwh: 159 %; Annual electricity use, colder climate: 644 kWh; Annual electricity use, warmer climate: 644 kWh; ηwh, colder climate: 159 %
  • WPU25 KC-5G + WPV 90L 2G — Annual electricity use, colder climate: 649 kWh; Annual electricity use, warmer climate: 649 kWh; Indoor sound power: 44 dB(A)
  • WPU25I-5G + WPV 150L 3G — Water heating efficiency ηwh: 159 %; Annual electricity use, colder climate: 644 kWh; Annual electricity use, warmer climate: 644 kWh; ηwh, colder climate: 159 %
  • WPU25I-5G + WPV 90L 2G — Annual electricity use, colder climate: 649 kWh; Annual electricity use, warmer climate: 649 kWh; Indoor sound power: 44 dB(A)
  • WPU35 C-5G + WPV 150L 3G — Annual electricity use, colder climate: 646 kWh; Annual electricity use, warmer climate: 646 kWh; Indoor sound power: 44 dB(A)
  • WPU35 C-5G + WPV 90L 2G — Annual electricity use, colder climate: 648 kWh; Annual electricity use, warmer climate: 648 kWh; Indoor sound power: 44 dB(A)
  • WPU35 COE-5G + WPV 150L 3G — Annual electricity use, colder climate: 646 kWh; Annual electricity use, warmer climate: 646 kWh; Indoor sound power: 44 dB(A)
  • WPU35 COE-5G + WPV 90L 2G — Annual electricity use, colder climate: 648 kWh; Annual electricity use, warmer climate: 648 kWh; Indoor sound power: 44 dB(A)
  • WPU35 E-5G + WPV 90L 2G — Annual electricity use, colder climate: 649 kWh; Annual electricity use, warmer climate: 649 kWh; Indoor sound power: 44 dB(A)
  • WPU35 KC-5G + WPV 150L 3G — Water heating efficiency ηwh: 159 %; Annual electricity use, colder climate: 644 kWh; Annual electricity use, warmer climate: 644 kWh; ηwh, colder climate: 159 %
  • WPU35 KC-5G + WPV 90L 2G — Annual electricity use, colder climate: 649 kWh; Annual electricity use, warmer climate: 649 kWh; Indoor sound power: 44 dB(A)
  • WPU35I-5G + WPV 150L 3G — Water heating efficiency ηwh: 159 %; Annual electricity use, colder climate: 644 kWh; Annual electricity use, warmer climate: 644 kWh; ηwh, colder climate: 159 %
  • WPU35I-5G + WPV 90L 2G — Annual electricity use, colder climate: 649 kWh; Annual electricity use, warmer climate: 649 kWh; Indoor sound power: 44 dB(A)

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Frequently asked questions

What is the water heating efficiency ηwh of the Itho Daalderop WPU18 C-5G + WPV 90L 3G?

The water heating efficiency ηwh of the Itho Daalderop WPU18 C-5G + WPV 90L 3G is 158 %.1

Which load profile does the Itho Daalderop WPU18 C-5G + WPV 90L 3G have?

The Itho Daalderop WPU18 C-5G + WPV 90L 3G has load profile L.1

Which energy label does the Itho Daalderop WPU18 C-5G + WPV 90L 3G have?

The Itho Daalderop WPU18 C-5G + WPV 90L 3G has energy label A+.1

What is the indoor sound power of the Itho Daalderop WPU18 C-5G + WPV 90L 3G?

The indoor sound power of the Itho Daalderop WPU18 C-5G + WPV 90L 3G is 42 dB(A).1

Sources

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