EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.1 kW · cooling and heating

Zephir ZDUO9+9 MY25

A++

Uses less electricity than 15% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €83 a year, €830 over ten years.

Cooling, SEER
6.1
Typical 6.8
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€83 / year
+€396 if you also heat with it (average climate)

Uses more than most comparable models: 85 % of them need less. Rotenso LEP35Xi R16 / LOP35Xo R16, the most efficient alternative on sale, saves about €46 a year. 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 13 among them. Zephir sells the same label values under other model names: ZDUO9+12MY23, ZDUO9+12WIFI, ZDUO9+9MY23 and 3 more.

Where it stands

Rank 4,127 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 4,126 use less.

Median 254 This model · 293 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Zephir ZDUO9+9MY23 293 kWh same
  2. A++ Zephir ZDUO9+9 MY24 293 kWh same
  3. A++ Zephir ZDUO9+9 MY25 293 kWh
  4. A++ Zephir ZDUO9+9WIFI 293 kWh same
  5. A++ Zephir ZDUO9+9WIFI MY24 293 kWh same
See the full ranking

What it will cost you

Period ZDUO9+9 MY25 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €83 €37 −€46
5 years €415 €185 −€229
10 years €830 €371 −€459
15 years €1,245 €556 −€688

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

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 ZDUO9+9 MY25 (this model)
5.1 kW6.1 293 — —
A+++ Rotenso LEP35Xi R16 / LOP35Xo R16 compare
5.1 kW9.4 131 €46 €459
A++ Lamborghini Caloreclima RUBINO S 18 compare
5.3 kW7.0 132 €46 €456
A++ Lamborghini Caloreclima RUBINO S 18 PLUS compare
5.3 kW7.0 132 €46 €456
A+++ Mitsubishi Heavy Industries SCM45ZS-W_SRK20ZSX-W_SRK25ZSX-W compare
4.5 kW9.1 174 €34 €337
A+++ Daikin FTXM20R2V1B / FTXM25R2V1B / 2MXM50A2V1B9 compare
4.5 kW8.7 181 €32 €317

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.1
SCOP warmer / average / colder
– / 4.0 / –
Cooling design load
5.1 kW
Heating design load (average)
4.0 kW
Yearly cooling
293 kWh
Yearly heating (average climate)
1,400 kWh
Sound power indoor / outdoor
50 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Zephir under one model number.

ZDUO9+9 MY25

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

Questions

How much does the Zephir ZDUO9+9 MY25 cost to run?

At one cooling season as on the label it uses about 293 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €83 a year, or €830 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.1 and SCOP 4.0 in the average climate: higher is better.