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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.3 kW · cooling and heating

Ferroli DIAMANT M 18-2 PLUS

A++

Uses less electricity than 6% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €86 a year, €861 over ten years.

Cooling, SEER
6.1
Typical 6.8
Heating, SCOP
3.8
Typical 4.1
Cooling cost
€86 / year
+€501 if you also heat with it (average climate)

Uses more than most comparable models: 94 % of them need less. Rotenso LEP35Xi R16 / LOP35Xo R16, the most efficient alternative on sale, saves about €49 a year. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 3.8) is below the typical 4.1 of its group. Ferroli has 24 models in this group; this one is number 19 among them. Ferroli sells the same label values under other model names: DIAMANT M 18-2. On the register since 2021 and still on sale.

Where it stands

Rank 4,702 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 4,701 use less.

Median 254 This model · 304 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+ Toshiba RAV-GP561ATW-E+RAV-RM561FT-EN 304 kWh same
  2. A++ Ferroli DIAMANT M 18-2 304 kWh same
  3. A++ Ferroli DIAMANT M 18-2 PLUS 304 kWh
  4. A++ Lamborghini Caloreclima RUBINO S 18-2 304 kWh same
  5. A++ Lamborghini Caloreclima RUBINO S 18-2 PLUS 304 kWh same
See the full ranking

What it will cost you

Period DIAMANT M 18-2 PLUS LEP35Xi R16 / LOP35Xo R16 Difference
1 year €86 €37 −€49
5 years €430 €185 −€245
10 years €861 €371 −€490
15 years €1,291 €556 −€735

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 304 kWh / yr
Heating, average climate 1,768 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++ Ferroli DIAMANT M 18-2 PLUS (this model)
5.3 kW6.1 304 — —
5.1 kW9.4 131 €49 €490
5.3 kW7.0 132 €49 €487
5.3 kW7.0 132 €49 €487
5.8 kW2.5 151 €43 €433
5.8 kW2.5 151 €43 €433

Label and product sheet

Energy class cooling / heating
A++ / A
SEER
6.1
SCOP warmer / average / colder
– / 3.8 / –
Cooling design load
5.3 kW
Heating design load (average)
4.8 kW
Yearly cooling
304 kWh
Yearly heating (average climate)
1,768 kWh
Sound power indoor / outdoor
54 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Ferroli under one model number.

DIAMANT M 18-2 PLUS

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

Questions

How much does the Ferroli DIAMANT M 18-2 PLUS cost to run?

At one cooling season as on the label it uses about 304 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €86 a year, or €861 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.1 and SCOP 3.8 in the average climate: higher is better.