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Heat pump water heaters · MT

Sanistage DSW120W

The Sanistage DSW120W is a heat pump water heater with water heating efficiency ηwh 134 %, load profile M and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
134%1
Load profile
M1
Official source
Energy label
A+1
Official source
Indoor sound power
51dB(A)1
Official source
ηwh, colder climate
134%1
Official source

Technical specifications

General
Load profileM1
Registered in EPREL2025-021
Efficiency
Water heating efficiency ηwh134 %1
ηwh, colder climate134 %1
ηwh, warmer climate134 %1
Energy labelA+1
Annual electricity use, colder climate383 kWh1
Annual electricity use, warmer climate383 kWh1
Noise
Indoor sound power51 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 80% of comparable models in our database (Heat pump water heaters · Load profile M; n = 98).

Rank 18 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.

Variants

This model belongs to a series of 2 variants with the same load profile and energy class. The figures on this page apply to the variant above; other variants differ in: Water heating efficiency ηwh 131–134 %. After each type number you can see what differs:

  • DSW120W
  • DSW120WR — Water heating efficiency ηwh: 131 %; Annual electricity use, colder climate: 393 kWh; Annual electricity use, warmer climate: 393 kWh; ηwh, colder climate: 131 %

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Frequently asked questions

What is the water heating efficiency ηwh of the Sanistage DSW120W?

The water heating efficiency ηwh of the Sanistage DSW120W is 134 %.1

Which load profile does the Sanistage DSW120W have?

The Sanistage DSW120W has load profile M.1

Which energy label does the Sanistage DSW120W have?

The Sanistage DSW120W has energy label A+.1

What is the indoor sound power of the Sanistage DSW120W?

The indoor sound power of the Sanistage DSW120W is 51 dB(A).1

Sources

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