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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 3.5 kW · cooling and heating

Hitachi RAC-35WXB / RAK-35PXB

A

Uses less electricity than 80% of the 3,067 split air conditioners, 3 kW on the EU register. At your selected price (European Union) that is €41 a year, €408 over ten years.

Cooling, SEER
8.5
Typical 6.5
Heating, SCOP
4.7
Typical 4.1
Cooling cost
€41 / year
+€244 if you also heat with it (average climate)

In the most efficient quarter of its group: 22 % below the typical 184 kWh. 97% 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 63 models in this group; this one is number 21 among them.

Where it stands

Rank 363 of 3,067 split air conditioners, 3 kW by yearly consumption. 362 use less.

Median 184 This model · 144 0 450 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+++ Toyotomi TKN-635R32/TKG-635R32 144 kWh same
  2. A Hitachi RAC-35WSB / RAK-35PSB 144 kWh same
  3. A Hitachi RAC-35WXB / RAK-35PXB 144 kWh
  4. A Hitachi RAC-35WXB / RAK-35RXB 144 kWh same
  5. A+++ Fuji Electric ROG12LTCN/RSG12LTCB 144 kWh same
See the full ranking

What it will cost you

Period RAC-35WXB / RAK-35PXB NF-ST30CR Difference
1 year €41 €1 −€40
5 years €204 €4 −€200
10 years €408 €8 −€399
15 years €612 €13 −€599

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 144 kWh / yr
Heating, average climate 860 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 6.0 361
Average (e.g. Strasbourg) 4.7 860
Colder (e.g. Helsinki) 3.4 2,613

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-35WXB / RAK-35PXB (this model)
3.5 kW8.5 144 — —
3.0 kW50.0 3 €40 €399
3.0 kW9.3 102 €12 €119
3.0 kW8.8 103 €12 €116
3.0 kW8.8 103 €12 €116
3.0 kW9.0 112 €9 €91

Label and product sheet

Energy class cooling / heating
A / A
SEER
8.5
SCOP warmer / average / colder
6.0 / 4.7 / 3.4
Cooling design load
3.5 kW
Heating design load (average)
2.9 kW
Yearly cooling
144 kWh
Yearly heating (average climate)
860 kWh
Sound power indoor / outdoor
60 / 61 dB(A)
Refrigerant
R410A (GWP 2088)

Model numbers and history

Registered by Hitachi under one model number.

RAC-35WXB / RAK-35PXB

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

Questions

How much does the Hitachi RAC-35WXB / RAK-35PXB cost to run?

At one cooling season as on the label it uses about 144 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €41 a year, or €408 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.