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

Fridge-freezers · 42 L · freestanding

ok OFZ051 EB

E

Uses less electricity than 30% of the 1,649 fridge-freezers, under 100 L on the EU register. At your selected price (European Union) that is €42 a year, €425 over ten years.

Electricity
150 kWh / year
Typical 126 kWh
Running cost
€42 / year
+€7 vs typical
Per 100 litres
357.1 kWh
Typical 178.0 kWh

Near the middle of its group: 19 % above the typical 126 kWh. Class E is the most common class in this group (48% of models). Per 100 litres it needs 357.1 kWh a year; the typical model in its group needs 178.0. ok has 12 models in this group; this one is number 7 among them.

Where it stands

Rank 1,131 of 1,649 fridge-freezers, under 100 L by yearly consumption. 1,130 use less.

Median 126 This model · 150 10 340 kWh ← uses less · uses more →

Next to it in the ranking

  1. E Outwell Deep Cool 28 149 kWh −€0.28
  2. E Robin SF-43 INOX 150 kWh same
  3. E ok OFZ051 EB 150 kWh
  4. E Euhomy CF003-50BL (ZBD-50) 150 kWh same
  5. E Euhomy ZBD-50 150 kWh same
See the full ranking

What it will cost you

Period OFZ051 EB EA35-D Difference
1 year €42 €6 −€37
5 years €212 €28 −€184
10 years €425 €57 −€368
15 years €637 €85 −€552

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 · 42 L

42 L fridge 42 L freezer

357.1 kWh per 100 litres a year; the typical model in this group needs 178.0.

Noise · class C

30 dB · whisper40 dB · quiet library 40 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
E ok OFZ051 EB (this model)
42 L40 150 — —
35 L47 20 €37 €368
40 L46 21 €37 €365
25 L46 21 €37 €365
38 L47 26 €35 €351
25 L43 26 €35 €351

Label and product sheet

Energy class
E (scale A–G)
Energy consumption
150 kWh/year
Total volume
42 L
Fridge / freezer
42 L / 42 L
Noise
40 dB(A), class C
Height × width × depth
632 × 470 × 450 mm
Installation
freestanding
Climate classes
N, ST
Guarantee (supplier)
2 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by ok under one model number.

OFZ051 EB

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

Questions

How much does the ok OFZ051 EB cost to run?

At continuous operation it uses about 150 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €42 a year, or €425 over ten years.

Is the ok OFZ051 EB quiet?

Its label states 40 dB(A), noise class C. The typical fridge-freezers, under 100 L model is 40 dB(A).