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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 4.0 kW · cooling and heating

Hitachi RAM-40NE2F / RAK-25REF + RAK-35REF

A++

Uses less electricity than 96% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €48 a year, €481 over ten years.

Cooling, SEER
8.2
Typical 6.8
Heating, SCOP
4.1
Typical 4.1
Cooling cost
€48 / year
+€375 if you also heat with it (average climate)

Only 177 of 5,158 split air conditioners, 4–5 kW do better. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.1) is above the typical 4.1 of its group. Hitachi has 513 models in this group; this one is number 14 among them.

Where it stands

Rank 178 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 177 use less.

Median 254 This model · 170 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Hitachi RAM-40NE2F / RAK-18REF + RAK-18REF 170 kWh same
  2. A++ Hitachi RAM-40NE2F / RAK-18REF + RAK-35REF 170 kWh same
  3. A++ Hitachi RAM-40NE2F / RAK-25REF + RAK-35REF 170 kWh
  4. A++ Hitachi RAM-40NE2F / RAK-15QEF + RAK-35REF 170 kWh same
  5. A++ Hitachi RAM-40NP2E / RAK-25RPE + RAK-35RPE 170 kWh same
See the full ranking

What it will cost you

Period RAM-40NE2F / RAK-25REF + RAK-35REF 7733704026 Difference
1 year €48 €41 −€7
5 years €241 €204 −€37
10 years €481 €408 −€74
15 years €722 €612 −€110

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 170 kWh / yr
Heating, average climate 1,323 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 4.9 584
Average (e.g. Strasbourg) 4.1 1,323
Colder (e.g. Helsinki) 2.8 4,206

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++ Hitachi RAM-40NE2F / RAK-25REF + RAK-35REF (this model)
4.0 kW8.2 170 — —
4.0 kW8.5 144 €7 €74
4.0 kW8.5 144 €7 €74
4.1 kW2.6 145 €7 €71
4.2 kW9.9 148 €6 €62
4.2 kW9.9 148 €6 €62

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
8.2
SCOP warmer / average / colder
4.9 / 4.1 / 2.8
Cooling design load
4.0 kW
Heating design load (average)
3.8 kW
Yearly cooling
170 kWh
Yearly heating (average climate)
1,323 kWh
Sound power indoor / outdoor
54 / 60 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Hitachi under one model number.

RAM-40NE2F / RAK-25REF + RAK-35REF

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

Questions

How much does the Hitachi RAM-40NE2F / RAK-25REF + RAK-35REF cost to run?

At one cooling season as on the label it uses about 170 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €48 a year, or €481 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 8.2 and SCOP 4.1 in the average climate: higher is better.