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Heat pump water heaters · UK

R-Aqua HPB 300A

The R-Aqua HPB 300A is a heat pump water heater with water heating efficiency ηwh 142 %, load profile XL and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
142%1
Load profile
XL1
Official source
Energy label
A+1
Official source
Indoor sound power
35dB(A)1
Official source
ηwh, colder climate
116%1
Official source

Technical specifications

General
Load profileXL1
Registered in EPREL2026-071
Efficiency
Water heating efficiency ηwh142 %1
ηwh, colder climate116 %1
ηwh, warmer climate163 %1
Energy labelA+1
Annual electricity use, colder climate1,450 kWh1
Annual electricity use, warmer climate1,030 kWh1
Noise
Indoor sound power35 dB(A)1
Outdoor sound power50 dB(A)1
Connectivity & smart
Smart controlYes1
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 58% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).

Rank 59 of 160

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:

  • HPB 300A
  • HPB-S 300A
  • HPBI 300A — ηwh, warmer climate: 162 %

Compare with

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Frequently asked questions

What is the water heating efficiency ηwh of the R-Aqua HPB 300A?

The water heating efficiency ηwh of the R-Aqua HPB 300A is 142 %.1

Which load profile does the R-Aqua HPB 300A have?

The R-Aqua HPB 300A has load profile XL.1

Which energy label does the R-Aqua HPB 300A have?

The R-Aqua HPB 300A has energy label A+.1

What is the indoor sound power of the R-Aqua HPB 300A?

The indoor sound power of the R-Aqua HPB 300A is 35 dB(A).1

Sources

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