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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.3 kW · cooling and heating

Rotenso I21Xi R15*2 / HHP50Xm2 R15

A++

Uses less electricity than 51% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €71 a year, €711 over ten years.

Cooling, SEER
7.4
Typical 6.8
Heating, SCOP
4.3
Typical 4.1
Cooling cost
€71 / year
+€434 if you also heat with it (average climate)

Near the middle of its group: 1 % below the typical 254 kWh. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.3) is above the typical 4.1 of its group. Rotenso has 78 models in this group; this one is number 31 among them.

Where it stands

Rank 2,450 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 2,449 use less.

Median 254 This model · 251 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Panasonic CS-TZ25TKEW + CS-TZ25TKEW / CU-2TZ50TBE 250 kWh −€0.28
  2. A++ Bosch 7733703627 251 kWh same
  3. A++ Rotenso I21Xi R15*2 / HHP50Xm2 R15 251 kWh
  4. A++ Gree GWH18ALD-K6DNA1A 251 kWh same
  5. A++ Gree GWH18AAD-K6DNA4E 251 kWh same
See the full ranking

What it will cost you

Period I21Xi R15*2 / HHP50Xm2 R15 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €71 €37 −€34
5 years €355 €185 −€170
10 years €711 €371 −€340
15 years €1,066 €556 −€510

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Cooling and heating

Cooling season 251 kWh / yr
Heating, average climate 1,531 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.3 1,329
Average (e.g. Strasbourg) 4.3 1,531
Colder (e.g. Helsinki) — —

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model CoolingSEER kWh / yr Saves / year in 10 years
A++ Rotenso I21Xi R15*2 / HHP50Xm2 R15 (this model)
5.3 kW7.4 251 — —
5.1 kW9.4 131 €34 €340
5.3 kW7.0 132 €34 €337
5.3 kW7.0 132 €34 €337
5.8 kW2.5 151 €28 €283
5.8 kW2.5 151 €28 €283

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
7.4
SCOP warmer / average / colder
5.3 / 4.3 / –
Cooling design load
5.3 kW
Heating design load (average)
4.7 kW
Yearly cooling
251 kWh
Yearly heating (average climate)
1,531 kWh
Sound power indoor / outdoor
54 / 64 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Rotenso under one model number.

I21Xi R15*2 / HHP50Xm2 R15

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the Rotenso I21Xi R15*2 / HHP50Xm2 R15 cost to run?

At one cooling season as on the label it uses about 251 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €71 a year, or €711 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 7.4 and SCOP 4.3 in the average climate: higher is better.