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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.3 kW · cooling and heating

Mitsui CDX18HP24

A++

Uses less electricity than 30% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €78 a year, €784 over ten years.

Cooling, SEER
6.7
Typical 6.8
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€78 / year
+€396 if you also heat with it (average climate)

Near the middle of its group: 9 % above the typical 254 kWh. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. Mitsui has 10 models in this group; this one is number 5 among them. On the register since 2020 and still on sale.

Where it stands

Rank 3,533 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 3,532 use less.

Median 254 This model · 277 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Inventor P9VI32-18WF/ P9VO32-18 277 kWh same
  2. A++ Azuri ZUD50W/NhA-T / AUD50PS/A-T 277 kWh same
  3. A++ Mitsui CDX18HP24 277 kWh
  4. A++ Artel DLX18RP24 277 kWh same
  5. A++ Centrometal CDX18HP24CM 277 kWh same
See the full ranking

What it will cost you

Period CDX18HP24 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €78 €37 −€41
5 years €392 €185 −€207
10 years €784 €371 −€413
15 years €1,177 €556 −€620

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 277 kWh / yr
Heating, average climate 1,400 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.1 1,235
Average (e.g. Strasbourg) 4.0 1,400
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++ Mitsui CDX18HP24 (this model)
5.3 kW6.7 277 — —
5.1 kW9.4 131 €41 €413
5.3 kW7.0 132 €41 €411
5.3 kW7.0 132 €41 €411
5.8 kW2.5 151 €36 €357
5.8 kW2.5 151 €36 €357

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.7
SCOP warmer / average / colder
5.1 / 4.0 / –
Cooling design load
5.3 kW
Heating design load (average)
4.0 kW
Yearly cooling
277 kWh
Yearly heating (average climate)
1,400 kWh
Sound power indoor / outdoor
57 / 62 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Mitsui under one model number.

CDX18HP24

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

Questions

How much does the Mitsui CDX18HP24 cost to run?

At one cooling season as on the label it uses about 277 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €78 a year, or €784 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.7 and SCOP 4.0 in the average climate: higher is better.