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Heat pump water heaters · INT

Zestar HS04V-Q

The Zestar HS04V-Q is a heat pump water heater with water heating efficiency ηwh 195 %, load profile M and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
195%1
Load profile
M1
Official source
Energy label
A+1
Official source
ηwh, colder climate
140%1
Official source
ηwh, warmer climate
190%1
Official source

Technical specifications

General
Load profileM1
Registered in EPREL2025-031
Efficiency
Water heating efficiency ηwh195 %1
ηwh, colder climate140 %1
ηwh, warmer climate190 %1
Energy labelA+1
Annual electricity use, colder climate2,200 kWh1
Annual electricity use, warmer climate1,500 kWh1
Noise
Outdoor sound power55 dB(A)1
Connectivity & smart
Smart controlYes1
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 100% of comparable models in our database (Heat pump water heaters · Load profile M; n = 98).

Rank 1 of 99

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 HS04V-Q?

The water heating efficiency ηwh of the Zestar HS04V-Q is 195 %.1

Which load profile does the Zestar HS04V-Q have?

The Zestar HS04V-Q has load profile M.1

Which energy label does the Zestar HS04V-Q have?

The Zestar HS04V-Q has energy label A+.1

Sources

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