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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 12.1 kW · cooling and heating

Johnson JCM125V3K

A++

Uses less electricity than 5% of the 14,301 split air conditioners, 6 kW and over on the EU register. At your selected price (European Union) that is €198 a year, €1,982 over ten years.

Cooling, SEER
6.1
Typical 6.9
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€198 / year
+€927 if you also heat with it (average climate)

Uses more than most comparable models: 95 % of them need less. electriQ IQOOL-4MS12K12K12K12K, the most efficient alternative on sale, saves about €115 a year. Class A++ is the most common class in this group (80% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. Of 3 Johnson models in this group, it ranks last.

Where it stands

Rank 13,522 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 13,521 use less.

Median 402 This model · 700 0 1,700 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Daitsu DS-9KTP6+DS18KTP6+DOSM-42KDT 700 kWh same
  2. A++ Daitsu 3*DS9KTP6+DS18KTP6+DOSM42KDT 700 kWh same
  3. A++ Johnson JCM125V3K 700 kWh
  4. A++ Morris MMOU-12011 / MMSI-20001 700 kWh same
  5. A++ Klimatsu KEM5AR-120-H1 700 kWh same
See the full ranking

What it will cost you

Period JCM125V3K IQOOL-4MS12K12K12K12K Difference
1 year €198 €83 −€115
5 years €991 €416 −€575
10 years €1,982 €833 −€1,150
15 years €2,974 €1,249 −€1,725

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 700 kWh / yr
Heating, average climate 3,275 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.1 2,690
Average (e.g. Strasbourg) 4.0 3,275
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++ Johnson JCM125V3K (this model)
12.1 kW6.1 700 — —
12.2 kW6.1 294 €115 €1,150
11.5 kW7.1 563 €39 €388
11.5 kW7.1 563 €39 €388
12.1 kW7.5 565 €38 €382
12.1 kW7.5 565 €38 €382

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.1
SCOP warmer / average / colder
5.1 / 4.0 / –
Cooling design load
12.1 kW
Heating design load (average)
9.5 kW
Yearly cooling
700 kWh
Yearly heating (average climate)
3,275 kWh
Sound power indoor / outdoor
65 / 71 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Johnson under one model number.

JCM125V3K

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

Questions

How much does the Johnson JCM125V3K cost to run?

At one cooling season as on the label it uses about 700 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €198 a year, or €1,982 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.