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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 1.8 kW · cooling and heating

Hitachi RAC-18WSPA / RAK-18PSPA

A

Uses less electricity than 94% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €25 a year, €249 over ten years.

Cooling, SEER
7.2
Typical 6.9
Heating, SCOP
4.6
Typical 4.1
Cooling cost
€25 / year
+€167 if you also heat with it (average climate)

In the most efficient quarter of its group: 32 % below the typical 130 kWh. 96% of comparable models reach a better class than A; the most common is A++. Heating efficiency (SCOP 4.6) is above the typical 4.1 of its group. Hitachi has 55 models in this group; this one is number 6 among them.

Where it stands

Rank 141 of 2,545 split air conditioners, under 3 kW by yearly consumption. 140 use less.

Median 130 This model · 88 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+++ Bosch 7733703124 87 kWh −€0.28
  2. A+++ Bosch 7733703129 87 kWh −€0.28
  3. A Hitachi RAC-18WSPA / RAK-18PSPA 88 kWh
  4. A+++ Sinclair SOH+SIH-07BIMx 90 kWh +€0.57
  5. A+++ LG AA09SP NS1/AA09SP U18 90 kWh +€0.57
See the full ranking

What it will cost you

Period RAC-18WSPA / RAK-18PSPA FDK18-04R5 Difference
1 year €25 €0 −€25
5 years €125 €1 −€123
10 years €249 €3 −€246
15 years €374 €4 −€370

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 88 kWh / yr
Heating, average climate 588 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.4 270
Average (e.g. Strasbourg) 4.6 588
Colder (e.g. Helsinki) 3.5 1,682

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-18WSPA / RAK-18PSPA (this model)
1.8 kW7.2 88 — —
1.8 kW2.1 1 €25 €246
2.0 kW10.0 70 €5 €51
2.0 kW10.0 70 €5 €51
2.0 kW9.8 71 €5 €48
2.0 kW9.8 71 €5 €48

Label and product sheet

Energy class cooling / heating
A / A
SEER
7.2
SCOP warmer / average / colder
5.4 / 4.6 / 3.5
Cooling design load
1.8 kW
Heating design load (average)
1.9 kW
Yearly cooling
88 kWh
Yearly heating (average climate)
588 kWh
Sound power indoor / outdoor
54 / 60 dB(A)
Refrigerant
R410A (GWP 2088)

Model numbers and history

Registered by Hitachi under one model number.

RAC-18WSPA / RAK-18PSPA

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

Questions

How much does the Hitachi RAC-18WSPA / RAK-18PSPA cost to run?

At one cooling season as on the label it uses about 88 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €25 a year, or €249 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 7.2 and SCOP 4.6 in the average climate: higher is better.