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Heat pump water heaters · INT

Rossato Air Combo X 250 S

The Rossato Air Combo X 250 S is a heat pump water heater with water heating efficiency ηwh 138 %, load profile L and annual electricity use (average climate) 278 kWh.1

Last updated: Technical specifications⇄ Compare this model
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Water heating efficiency ηwh
138%1
Load profile
L1
Official source
Annual electricity use (average climate)
278kWh1
Official source
Energy label
A+1
Official source
Indoor sound power
50dB(A)1
Official source

Technical specifications

General
Load profileL1
Registered in EPREL2026-051
Efficiency
Water heating efficiency ηwh138 %1
ηwh, colder climate101 %2
ηwh, warmer climate144 %1
Energy labelA+1
Annual electricity use (average climate)278 kWh1
Annual electricity use, colder climate874 kWh1
Annual electricity use, warmer climate709 kWh1
Noise
Indoor sound power50 dB(A)1
Connectivity & smart
Off-peak hours onlyYes1

How it ranks

Water heating efficiency ηwh: better than 69% of comparable models in our database (Heat pump water heaters · Load profile L; n = 175).

Rank 49 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:

  • Air Combo X 250 S
  • Air Combo X 200 S — Annual electricity use, colder climate: 1,009 kWh; Annual electricity use, warmer climate: 691 kWh; Registered in EPREL: 2025-12

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Frequently asked questions

What is the water heating efficiency ηwh of the Rossato Air Combo X 250 S?

The water heating efficiency ηwh of the Rossato Air Combo X 250 S is 138 %.1

Which load profile does the Rossato Air Combo X 250 S have?

The Rossato Air Combo X 250 S has load profile L.1

What is the annual electricity use (average climate) of the Rossato Air Combo X 250 S?

The annual electricity use (average climate) of the Rossato Air Combo X 250 S is 278 kWh.1

Which energy label does the Rossato Air Combo X 250 S have?

The Rossato Air Combo X 250 S has energy label A+.1

Sources

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