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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.1 kW · cooling and heating

WEBER CLIMA MULTI 5,1Q AKL18 DUO

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. Of 2 Weber models in this group, it ranks last.

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++ KlimaNEXT KNX-2M18-32AE 293 kWh same
  2. A++ Blaupunkt CLYMO MonoSplit 18 293 kWh same
  3. A++ WEBER CLIMA MULTI 5,1Q AKL18 DUO 293 kWh
  4. A++ Ariston DUAL 50 PRIOS NET_UB1-I 12+12 293 kWh same
  5. A++ Ariston DUAL 50 PRIOS NET_UB1-I 9+12 293 kWh same
See the full ranking

What it will cost you

Period WEBER CLIMA MULTI 5,1Q AKL18 DUO 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

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 4.6 1,217
Average (e.g. Strasbourg) 4.0 1,400
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++ WEBER CLIMA MULTI 5,1Q AKL18 DUO (this model)
5.1 kW6.1 293 — —
5.1 kW9.4 131 €46 €459
5.3 kW7.0 132 €46 €456
5.3 kW7.0 132 €46 €456
4.5 kW9.1 174 €34 €337
4.5 kW8.7 181 €32 €317

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.1
SCOP warmer / average / colder
4.6 / 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
47 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Weber under one model number.

WEBER CLIMA MULTI 5,1Q AKL18 DUO

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

Questions

How much does the WEBER CLIMA MULTI 5,1Q AKL18 DUO 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.