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

Split air conditioners · 2.5 kW · cooling and heating

Hitachi RAC-25WSB / RAK-25PSB

A

Uses less electricity than 79% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €29 a year, €292 over ten years.

Cooling, SEER
8.5
Typical 6.9
Heating, SCOP
4.7
Typical 4.1
Cooling cost
€29 / year
+€227 if you also heat with it (average climate)

In the most efficient quarter of its group: 21 % below the typical 130 kWh. 96% of comparable models reach a better class than A; the most common is A++. Heating efficiency (SCOP 4.7) is above the typical 4.1 of its group. Hitachi has 55 models in this group; this one is number 12 among them.

Where it stands

Rank 410 of 2,545 split air conditioners, under 3 kW by yearly consumption. 409 use less.

Median 130 This model · 103 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+ Fujitsu AOYG07LMCE/ASYG07LMCE 103 kWh same
  2. A+ General AOHG09KXCA/ASHG09KXCA 103 kWh same
  3. A Hitachi RAC-25WSB / RAK-25PSB 103 kWh
  4. A Hitachi RAC-25WXB / RAK-25PXB 103 kWh same
  5. A Hitachi RAC-25WXB / RAK-25RXB 103 kWh same
See the full ranking

What it will cost you

Period RAC-25WSB / RAK-25PSB SRC20ZSX-WA_SRK20ZSX-W Difference
1 year €29 €20 −€9
5 years €146 €99 −€47
10 years €292 €198 −€93
15 years €438 €297 −€140

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 103 kWh / yr
Heating, average climate 802 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.9 345
Average (e.g. Strasbourg) 4.7 802
Colder (e.g. Helsinki) 3.5 2,331

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 RAC-25WSB / RAK-25PSB (this model)
2.5 kW8.5 103 — —
2.0 kW10.0 70 €9 €93
2.0 kW10.0 70 €9 €93
2.0 kW9.8 71 €9 €91
2.0 kW9.8 71 €9 €91
2.0 kW9.8 71 €9 €91

Label and product sheet

Energy class cooling / heating
A / A
SEER
8.5
SCOP warmer / average / colder
5.9 / 4.7 / 3.5
Cooling design load
2.5 kW
Heating design load (average)
2.7 kW
Yearly cooling
103 kWh
Yearly heating (average climate)
802 kWh
Sound power indoor / outdoor
56 / 62 dB(A)
Refrigerant
R410A (GWP 2088)

Model numbers and history

2 model numbers are registered by Hitachi with identical label values (usually colour or market variants). Searching any of them leads here.

RAC-25WSB / RAK-25PSB · RAC-25WSA / RAK-25PSA

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

Questions

How much does the Hitachi RAC-25WSB / RAK-25PSB cost to run?

At one cooling season as on the label it uses about 103 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €29 a year, or €292 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 8.5 and SCOP 4.7 in the average climate: higher is better.