versusindex
IE
Heat pump water heaters · IE

Sanistage 974051

The Sanistage 974051 is a heat pump water heater with water heating efficiency ηwh 127 %, load profile L and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
Search this model
Water heating efficiency ηwh
127%1
Load profile
L1
Official source
Energy label
A+1
Official source
ηwh, colder climate
95%1
Official source
ηwh, warmer climate
154%1
Official source

Technical specifications

General
Load profileL1
Registered in EPREL2025-021
Efficiency
Water heating efficiency ηwh127 %1
ηwh, colder climate95 %1
ηwh, warmer climate154 %1
Energy labelA+1
Annual electricity use, colder climate1,078 kWh1
Annual electricity use, warmer climate663 kWh1
Noise
Outdoor sound power50 dB(A)1
Connectivity & smart
Smart controlYes2
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 30% of comparable models in our database (Heat pump water heaters · Load profile L; n = 175).

Rank 119 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 2 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:

  • 974051
  • 974051 — Registered in EPREL: 2023-07

Similar models

Other brands, same type and a comparable size.

More from Sanistage

All Sanistage models (5) →

How we collect and check this data →

Frequently asked questions

What is the water heating efficiency ηwh of the Sanistage 974051?

The water heating efficiency ηwh of the Sanistage 974051 is 127 %.1

Which load profile does the Sanistage 974051 have?

The Sanistage 974051 has load profile L.1

Which energy label does the Sanistage 974051 have?

The Sanistage 974051 has energy label A+.1

Sources

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