EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 8.2 kW · cooling and heating

Ferroli DIAMANT M 28-4

A++

Uses less electricity than 26% of the 14,301 split air conditioners, 6 kW and over on the EU register. At your selected price (European Union) that is €133 a year, €1,331 over ten years.

Cooling, SEER
6.1
Typical 6.9
Heating, SCOP
3.8
Typical 4.1
Cooling cost
€133 / year
+€678 if you also heat with it (average climate)

Near the middle of its group: 17 % above the typical 402 kWh. Class A++ is the most common class in this group (80% of models). Heating efficiency (SCOP 3.8) is below the typical 4.1 of its group. Ferroli has 39 models in this group; this one is number 25 among them. Ferroli sells the same label values under other model names: DIAMANT M 28-4 PLUS. On the register since 2021 and still on sale.

Where it stands

Rank 10,424 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 10,423 use less.

Median 402 This model · 470 0 1,700 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Bosch 7733701512 470 kWh same
  2. A++ Vulcano 7733701515 470 kWh same
  3. A++ Ferroli DIAMANT M 28-4 470 kWh
  4. A++ Ferroli DIAMANT M 28-4 PLUS 470 kWh same
  5. A++ Inventor U4MRSL(4)-28/LV4MCI-09UR 470 kWh same
See the full ranking

What it will cost you

Period DIAMANT M 28-4 7733704008 Difference
1 year €133 €83 −€50
5 years €666 €413 −€252
10 years €1,331 €827 −€504
15 years €1,997 €1,240 −€756

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 470 kWh / yr
Heating, average climate 2,395 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 28-4 (this model)
8.2 kW6.1 470 — —
7.9 kW8.5 292 €50 €504
7.9 kW8.5 292 €50 €504
7.9 kW8.5 292 €50 €504
7.6 kW8.8 304 €47 €470
7.6 kW8.8 304 €47 €470

Label and product sheet

Energy class cooling / heating
A++ / A
SEER
6.1
SCOP warmer / average / colder
– / 3.8 / –
Cooling design load
8.2 kW
Heating design load (average)
6.5 kW
Yearly cooling
470 kWh
Yearly heating (average climate)
2,395 kWh
Sound power indoor / outdoor
54 / 67 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Ferroli under one model number.

DIAMANT M 28-4

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

Questions

How much does the Ferroli DIAMANT M 28-4 cost to run?

At one cooling season as on the label it uses about 470 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €133 a year, or €1,331 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.