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Heat pump water heaters · UK

THERVIO YT-300TJ2

The THERVIO YT-300TJ2 is a heat pump water heater with water heating efficiency ηwh 135 %, load profile XL and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
135%1
Load profile
XL1
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 profileXL1
Registered in EPREL2026-051
Efficiency
Water heating efficiency ηwh135 %1
ηwh, colder climate135 %1
ηwh, warmer climate135 %1
Energy labelA+1
Annual electricity use, colder climate1,245 kWh1
Annual electricity use, warmer climate1,245 kWh1
Noise
Indoor sound power51 dB(A)1

How it ranks

Water heating efficiency ηwh: better than 38% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).

Rank 95 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.

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Other brands, same type and a comparable size.

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Frequently asked questions

What is the water heating efficiency ηwh of the THERVIO YT-300TJ2?

The water heating efficiency ηwh of the THERVIO YT-300TJ2 is 135 %.1

Which load profile does the THERVIO YT-300TJ2 have?

The THERVIO YT-300TJ2 has load profile XL.1

Which energy label does the THERVIO YT-300TJ2 have?

The THERVIO YT-300TJ2 has energy label A+.1

What is the indoor sound power of the THERVIO YT-300TJ2?

The indoor sound power of the THERVIO YT-300TJ2 is 51 dB(A).1

Sources

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