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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.1 kW · cooling and heating

Zephir ZAX18000 MY25

A++

Uses less electricity than 39% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €75 a year, €753 over ten years.

Cooling, SEER
6.7
Typical 6.8
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€75 / year
+€327 if you also heat with it (average climate)

Near the middle of its group: 5 % 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. Zephir has 36 models in this group; this one is number 3 among them.

Where it stands

Rank 3,087 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 3,086 use less.

Median 254 This model · 266 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Kerosun KCA25-18IVi/KCA25-18IVo 266 kWh same
  2. A++ Cooper&Hunter CH-IC050RK2 + CH-IU050RK2 266 kWh same
  3. A++ Zephir ZAX18000 MY25 266 kWh
  4. A++ Argo ASG ECO PLUS 50PH 60x60+AEG ECO PLUS 50PIH 266 kWh same
  5. A++ Hitachi RAS-2HVRC3 - RCIM-2.0FSR(1)E 266 kWh same
See the full ranking

What it will cost you

Period ZAX18000 MY25 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €75 €37 −€38
5 years €377 €185 −€191
10 years €753 €371 −€382
15 years €1,130 €556 −€573

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 266 kWh / yr
Heating, average climate 1,155 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.3 951
Average (e.g. Strasbourg) 4.0 1,155
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++ Zephir ZAX18000 MY25 (this model)
5.1 kW6.7 266 — —
5.1 kW9.4 131 €38 €382
5.3 kW7.0 132 €38 €379
5.3 kW7.0 132 €38 €379
4.5 kW9.1 174 €26 €261
4.5 kW8.7 181 €24 €241

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.7
SCOP warmer / average / colder
5.3 / 4.0 / –
Cooling design load
5.1 kW
Heating design load (average)
3.3 kW
Yearly cooling
266 kWh
Yearly heating (average climate)
1,155 kWh
Sound power indoor / outdoor
56 / 62 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Zephir under one model number.

ZAX18000 MY25

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

Questions

How much does the Zephir ZAX18000 MY25 cost to run?

At one cooling season as on the label it uses about 266 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €75 a year, or €753 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.