EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Fridges (no freezer) · 40 L · freestanding

Woltu X40K

D

Uses less electricity than 80% of the 4,420 fridges (no freezer), under 100 L on the EU register. At your selected price (European Union) that is €17 a year, €173 over ten years.

Electricity
61 kWh / year
Typical 80 kWh
Running cost
€17 / year
−€5 vs typical
Per 100 litres
152.5 kWh
Typical 184.3 kWh

In the most efficient quarter of its group: 24 % below the typical 80 kWh. Only 12% of comparable models have a better class than D. At 45 dB it is 5 dB louder than the typical model in its group. Woltu has 13 models in this group; this one is number 6 among them.

Where it stands

Rank 795 of 4,420 fridges (no freezer), under 100 L by yearly consumption. 794 use less.

Median 80 This model · 61 10 510 kWh ← uses less · uses more →

Next to it in the ranking

  1. D Blokker CB-131309.1 61 kWh same
  2. D Woltu X50K 61 kWh same
  3. D Woltu X40K 61 kWh
  4. D Smeg FAB5RSV5 61 kWh same
  5. D Smeg FAB5LDUJ5 61 kWh same
See the full ranking

What it will cost you

Period X40K HHD090-544173 Difference
1 year €17 €6 −€11
5 years €86 €30 −€57
10 years €173 €59 −€113
15 years €259 €89 −€170

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Space and noise

Compartments · 40 L

40 L fridge 0 L freezer

152.5 kWh per 100 litres a year; the typical model in this group needs 184.3.

Noise · class D

30 dB · whisper40 dB · quiet library 45 dB
Dashed: group median 40 dB

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model VolumedB kWh / yr Saves / year in 10 years
D Woltu X40K (this model)
40 L45 61 — —
25 L46 21 €11 €113
40 L46 21 €11 €113
19 L45 25 €10 €102
42 L46 26 €10 €99
17 L45 27 €10 €96

Label and product sheet

Energy class
D (scale A–G)
Energy consumption
61 kWh/year
Total volume
40 L
Fridge / freezer
40 L / 0 L
Noise
45 dB(A), class D
Height × width × depth
470 × 708 × 440 mm
Installation
freestanding
Climate classes
SN, N, ST, T
Guarantee (supplier)
1 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Woltu under one model number.

X40K

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

Questions

How much does the Woltu X40K cost to run?

At continuous operation it uses about 61 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €17 a year, or €173 over ten years.

Is the Woltu X40K quiet?

Its label states 45 dB(A), noise class D. The typical fridges (no freezer), under 100 L model is 40 dB(A).