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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.2 kW · cooling and heating

Mitsui ZWX18HP14

A+++

Uses less electricity than 76% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €61 a year, €609 over ten years.

Cooling, SEER
8.5
Typical 6.8
Heating, SCOP
4.6
Typical 4.1
Cooling cost
€61 / year
+€362 if you also heat with it (average climate)

In the most efficient quarter of its group: 15 % below the typical 254 kWh. Class A+++ is the best class any model in this group reaches. Heating efficiency (SCOP 4.6) is above the typical 4.1 of its group. Of 10 Mitsui models in this group, it is the most efficient.

Where it stands

Rank 1,101 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 1,100 use less.

Median 254 This model · 215 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+++ Naitec SP50HWXK 215 kWh same
  2. A+++ AMG NZDX18HP14 215 kWh same
  3. A+++ Mitsui ZWX18HP14 215 kWh
  4. A+++ HTWS052IX39PLUS 215 kWh same
  5. A++ Mitsubishi Electric MSY-TP50VF2 / MUY-TP50VF2 215 kWh same
See the full ranking

What it will cost you

Period ZWX18HP14 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €61 €37 −€24
5 years €304 €185 −€119
10 years €609 €371 −€238
15 years €913 €556 −€357

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 215 kWh / yr
Heating, average climate 1,279 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.6 1,250
Average (e.g. Strasbourg) 4.6 1,279
Colder (e.g. Helsinki) 3.6 3,150

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 ZWX18HP14 (this model)
5.2 kW8.5 215 — —
5.1 kW9.4 131 €24 €238
5.3 kW7.0 132 €24 €235
5.3 kW7.0 132 €24 €235
5.8 kW2.5 151 €18 €181
5.8 kW2.5 151 €18 €181

Label and product sheet

Energy class cooling / heating
A+++ / A++
SEER
8.5
SCOP warmer / average / colder
5.6 / 4.6 / 3.6
Cooling design load
5.2 kW
Heating design load (average)
4.2 kW
Yearly cooling
215 kWh
Yearly heating (average climate)
1,279 kWh
Sound power indoor / outdoor
57 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

2 model numbers are registered by Mitsui with identical label values (usually colour or market variants). Searching any of them leads here.

ZWX18HP14 · ZDX18HP14

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

Questions

How much does the Mitsui ZWX18HP14 cost to run?

At one cooling season as on the label it uses about 215 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €61 a year, or €609 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 8.5 and SCOP 4.6 in the average climate: higher is better.