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

Fridges (no freezer) · 42 L · freestanding

Inventor MB51W

E

Uses less electricity than 49% of the 4,420 fridges (no freezer), under 100 L on the EU register. At your selected price (European Union) that is €23 a year, €227 over ten years.

Electricity
80 kWh / year
Typical 80 kWh
Running cost
€23 / year
€0 vs typical
Per 100 litres
190.5 kWh
Typical 184.3 kWh

Right at the typical consumption of its group, 80 kWh a year. Class E is the most common class in this group (45% of models). At 37 dB it is 3 dB quieter than the typical model in its group. Inventor has 20 models in this group; this one is number 3 among them.

Where it stands

Rank 1,952 of 4,420 fridges (no freezer), under 100 L by yearly consumption. 1,951 use less.

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

Next to it in the ranking

  1. E Samus SW066RE 80 kWh same
  2. E Klarstein 10034269 80 kWh same
  3. E Inventor MB51W 80 kWh
  4. E Subcold CAVE50-BL 80 kWh same
  5. E Subcold ECO50 80 kWh same
See the full ranking

What it will cost you

Period MB51W HHD090-544173 Difference
1 year €23 €6 −€17
5 years €113 €30 −€84
10 years €227 €59 −€167
15 years €340 €89 −€251

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 0 L freezer

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

Noise · class C

30 dB · whisper40 dB · quiet library 37 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 Inventor MB51W (this model)
42 L37 80 — —
25 L46 21 €17 €167
40 L46 21 €17 €167
19 L45 25 €16 €156
42 L46 26 €15 €153
17 L45 27 €15 €150

Label and product sheet

Energy class
E (scale A–G)
Energy consumption
80 kWh/year
Total volume
42 L
Fridge / freezer
42 L / 0 L
Noise
37 dB(A), class C
Height × width × depth
510 × 452 × 479 mm
Installation
freestanding
Climate classes
SN, N, ST
Guarantee (supplier)
3 years
Spare parts (minimum)
7 years

Model numbers and history

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

MB51W · MB51B

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

Questions

How much does the Inventor MB51W cost to run?

At continuous operation it uses about 80 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €23 a year, or €227 over ten years.

Is the Inventor MB51W quiet?

Its label states 37 dB(A), noise class C. The typical fridges (no freezer), under 100 L model is 40 dB(A).