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Heat pump water heaters · UK

TermoPlus C2/231-PRO

The TermoPlus C2/231-PRO is a heat pump water heater with water heating efficiency ηwh 135 %, load profile L and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
135%1
Load profile
L1
Official source
Energy label
A+1
Official source
Indoor sound power
51dB(A)1
Official source
ηwh, colder climate
135%1
Official source

Technical specifications

General
Load profileL1
Registered in EPREL2026-031
Efficiency
Water heating efficiency ηwh135 %1
ηwh, colder climate135 %1
ηwh, warmer climate135 %1
Energy labelA+1
Annual electricity use, colder climate689 kWh1
Annual electricity use, warmer climate689 kWh1
Noise
Indoor sound power51 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 65% of comparable models in our database (Heat pump water heaters · Load profile L; n = 175).

Rank 55 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 is registered in 3 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • C2/231-PRO
  • C2-231 AIR — Off-peak hours only: Yes
  • C2/231-PRO AIR

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Frequently asked questions

What is the water heating efficiency ηwh of the TermoPlus C2/231-PRO?

The water heating efficiency ηwh of the TermoPlus C2/231-PRO is 135 %.1

Which load profile does the TermoPlus C2/231-PRO have?

The TermoPlus C2/231-PRO has load profile L.1

Which energy label does the TermoPlus C2/231-PRO have?

The TermoPlus C2/231-PRO has energy label A+.1

What is the indoor sound power of the TermoPlus C2/231-PRO?

The indoor sound power of the TermoPlus C2/231-PRO is 51 dB(A).1

Sources

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