EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Fridge-freezers · 255 L · built-in

Miele KF 7742 C

C

Uses less electricity than 94% of the 8,824 fridge-freezers, 200–299 L on the EU register. At your selected price (European Union) that is €41 a year, €411 over ten years.

Electricity
145 kWh / year
Typical 217 kWh
Running cost
€41 / year
−€20 vs typical
Per 100 litres
56.9 kWh
Typical 84.3 kWh

In the most efficient quarter of its group: 33 % below the typical 217 kWh. Class C is the best class any model in this group reaches, and only 3% of them do. At 32 dB it is 7 dB quieter than the typical model in its group. Miele has 66 models in this group; this one is number 21 among them.

Where it stands

Rank 456 of 8,824 fridge-freezers, 200–299 L by yearly consumption. 455 use less.

Median 217 This model · 145 70 360 kWh ← uses less · uses more →

Next to it in the ranking

  1. D SPC KS3666-4 144 kWh −€0.28
  2. D Domo DO91401C 144 kWh −€0.28
  3. C Miele KF 7742 C 145 kWh
  4. C Miele KFN 7734 C-Index 22 145 kWh same
  5. C Liebherr ICNc 5103_994892851 145 kWh same
See the full ranking

What it will cost you

Period KF 7742 C RKS245DB Difference
1 year €41 €23 −€18
5 years €205 €116 −€89
10 years €411 €232 −€178
15 years €616 €348 −€268

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 · 255 L

201 L fridge 54 L freezer

56.9 kWh per 100 litres a year; the typical model in this group needs 84.3.

Noise · class B

30 dB · whisper40 dB · quiet library 32 dB
Dashed: group median 39 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
C Miele KF 7742 C (this model)
255 L32 145 — —
238 L40 82 €18 €178
235 L33 91 €15 €153
268 L31 98 €13 €133
268 L32 98 €13 €133
245 L27 99 €13 €130

Label and product sheet

Energy class
C (scale A–G)
Energy consumption
145 kWh/year
Total volume
255 L
Fridge / freezer
201 L / 54 L
Noise
32 dB(A), class B
Height × width × depth
1,770 × 559 × 546 mm
Installation
built-in
Climate classes
SN, N, ST, T
Guarantee (supplier)
2 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Miele under one model number.

KF 7742 C

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

Questions

How much does the Miele KF 7742 C cost to run?

At continuous operation it uses about 145 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 €411 over ten years.

Is the Miele KF 7742 C quiet?

Its label states 32 dB(A), noise class B. The typical fridge-freezers, 200–299 L model is 39 dB(A).