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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.1 kW · cooling and heating

Wellio Athena 18K

A++

Uses less electricity than 32% 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, €779 over ten years.

Cooling, SEER
6.5
Typical 6.8
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€78 / year
+€387 if you also heat with it (average climate)

Near the middle of its group: 8 % 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. It is the only Wellio model in this group.

Where it stands

Rank 3,431 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 3,430 use less.

Median 254 This model · 275 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Tecro AC-T5137S WIFI FREEZE 275 kWh same
  2. A++ Seico SCP1-18(V2) 275 kWh same
  3. A++ Wellio Athena 18K 275 kWh
  4. A++ Artica WHAP18V1 275 kWh same
  5. A++ F&U FVIN-18142 / FVOT-18143 275 kWh same
See the full ranking

What it will cost you

Period Athena 18K LEP35Xi R16 / LOP35Xo R16 Difference
1 year €78 €37 −€41
5 years €389 €185 −€204
10 years €779 €371 −€408
15 years €1,168 €556 −€612

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 275 kWh / yr
Heating, average climate 1,365 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.1 1,400
Average (e.g. Strasbourg) 4.0 1,365
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 18K (this model)
5.1 kW6.5 275 — —
5.1 kW9.4 131 €41 €408
5.3 kW7.0 132 €40 €405
5.3 kW7.0 132 €40 €405
4.5 kW9.1 174 €29 €286
4.5 kW8.7 181 €27 €266

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.5
SCOP warmer / average / colder
5.1 / 4.0 / –
Cooling design load
5.1 kW
Heating design load (average)
3.9 kW
Yearly cooling
275 kWh
Yearly heating (average climate)
1,365 kWh
Sound power indoor / outdoor
56 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Wellio under one model number.

Athena 18K

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

Questions

How much does the Wellio Athena 18K cost to run?

At one cooling season as on the label it uses about 275 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 €779 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.5 and SCOP 4.0 in the average climate: higher is better.