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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 2.6 kW · cooling and heating

Wellio Athena 9K

A++

Uses less electricity than 9% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €42 a year, €425 over ten years.

Cooling, SEER
6.1
Typical 6.9
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€42 / year
+€198 if you also heat with it (average climate)

Uses more than most comparable models: 91 % of them need less. Mitsubishi Electric MSZ-RZ25VU / MUZ-RZ25VU, the most efficient alternative on sale, saves about €21 a year. Class A++ is the most common class in this group (65% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. Of 2 Wellio models in this group, it is the most efficient. Wellio sells the same label values under other model names: Apollo 9K.

Where it stands

Rank 2,223 of 2,545 split air conditioners, under 3 kW by yearly consumption. 2,222 use less.

Median 130 This model · 150 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Giatsu GIAS09VEN 150 kWh same
  2. A++ Wellio Apollo 9K 150 kWh same
  3. A++ Wellio Athena 9K 150 kWh
  4. A++ Kawair KW09WF2-R32 150 kWh same
  5. A++ Artica WHAP09V1 150 kWh same
See the full ranking

What it will cost you

Period Athena 9K MSZ-RZ25VU / MUZ-RZ25VU Difference
1 year €42 €21 −€21
5 years €212 €106 −€106
10 years €425 €212 −€212
15 years €637 €319 −€319

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 150 kWh / yr
Heating, average climate 700 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.1 632
Average (e.g. Strasbourg) 4.0 700
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++ Wellio Athena 9K (this model)
2.6 kW6.1 150 — —
2.5 kW11.7 75 €21 €212
2.5 kW11.7 75 €21 €212
2.5 kW11.2 78 €20 €204
2.5 kW11.2 78 €20 €204
2.5 kW10.9 80 €20 €198

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.1
SCOP warmer / average / colder
5.1 / 4.0 / –
Cooling design load
2.6 kW
Heating design load (average)
2.0 kW
Yearly cooling
150 kWh
Yearly heating (average climate)
700 kWh
Sound power indoor / outdoor
52 / 62 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

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

Athena 9K · ATHENA-9K-N

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

Questions

How much does the Wellio Athena 9K cost to run?

At one cooling season as on the label it uses about 150 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €42 a year, or €425 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.