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Heat pump water heaters · IE

Zestar HS12V-Q

The Zestar HS12V-Q is a heat pump water heater with water heating efficiency ηwh 192 %, load profile XL and energy label A+.1,2

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
192%2
Load profile
XL2
Official source
Energy label
A+2
Official source
ηwh, colder climate
147%2
Official source
ηwh, warmer climate
190%2
Official source

Technical specifications

General
Load profileXL2
Registered in EPREL2025-032
Efficiency
Water heating efficiency ηwh192 %2
ηwh, colder climate147 %2
ηwh, warmer climate190 %2
Energy labelA+2
Annual electricity use, colder climate5,300 kWh2
Annual electricity use, warmer climate3,500 kWh2
Noise
Outdoor sound power60 dB(A)1
Connectivity & smart
Smart controlYes2
Off-peak hours onlyNo2

How it ranks

Water heating efficiency ηwh: better than 98% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).

Rank 4 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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Frequently asked questions

What is the water heating efficiency ηwh of the Zestar HS12V-Q?

The water heating efficiency ηwh of the Zestar HS12V-Q is 192 %.1,2

Which load profile does the Zestar HS12V-Q have?

The Zestar HS12V-Q has load profile XL.1,2

Which energy label does the Zestar HS12V-Q have?

The Zestar HS12V-Q has energy label A+.1,2

Sources

  1. European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed 15 Oct 2026
  2. European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026