Heat pump water heaters · UK

Metro Therm COMBI BLUELINE PH

The Metro Therm COMBI BLUELINE PH is a heat pump water heater with water heating efficiency ηwh 90 %, load profile L and energy label A.1

Key figures

Water heating efficiency ηwh
90%1
Load profile
L1
Official source
Energy label
A1
Official source
Indoor sound power
42dB(A)1
Official source
ηwh, colder climate
90%1
Official source

Technical specifications

General
Load profileL1
Registered in EPREL2026-021
Efficiency
Water heating efficiency ηwh90 %1
ηwh, colder climate90 %1
ηwh, warmer climate90 %1
Energy labelA1
Annual electricity use, colder climate1,142 kWh1
Annual electricity use, warmer climate1,142 kWh1
Noise
Indoor sound power42 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 1% of comparable models in our database (Heat pump water heaters · Load profile L; n = 175).

Rank 174 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:

  • COMBI BLUELINE PH
  • COMBI BLUELINE PH - ZC FRONT
  • COMBI BLUELINE PH - ZC SIDE

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Guides on heat pump water heaters

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Frequently asked questions

What is the water heating efficiency ηwh of the Metro Therm COMBI BLUELINE PH?

The water heating efficiency ηwh of the Metro Therm COMBI BLUELINE PH is 90 %.1

Which load profile does the Metro Therm COMBI BLUELINE PH have?

The Metro Therm COMBI BLUELINE PH has load profile L.1

Which energy label does the Metro Therm COMBI BLUELINE PH have?

The Metro Therm COMBI BLUELINE PH has energy label A.1

What is the indoor sound power of the Metro Therm COMBI BLUELINE PH?

The indoor sound power of the Metro Therm COMBI BLUELINE PH is 42 dB(A).1

Sources

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