EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Fridges (no freezer) · 310 L · built-in

Siemens KI81RADC0

C

Uses less electricity than 98% of the 1,317 fridges (no freezer), 300–399 L on the EU register. At your selected price (European Union) that is €21 a year, €207 over ten years.

Electricity
73 kWh / year
Typical 118 kWh
Running cost
€21 / year
−€13 vs typical
Per 100 litres
23.5 kWh
Typical 32.9 kWh

Only 11 of 1,317 fridges (no freezer), 300–399 L do better. Class C is the best class any model in this group reaches, and only 5% of them do. At 34 dB it is 4 dB quieter than the typical model in its group. Of 15 Siemens models in this group, it is the most efficient.

Where it stands

Rank 12 of 1,317 fridges (no freezer), 300–399 L by yearly consumption. 11 use less.

Median 118 This model · 73 30 310 kWh ← uses less · uses more →

Next to it in the ranking

  1. C Electrolux ERA7FCX8S 923581397 73 kWh same
  2. C Bosch KIR81ADC0 73 kWh same
  3. C Siemens KI81RADC0 73 kWh
  4. C AEG NSK6D181CC 923584359 73 kWh same
  5. C AEG TK6FS181CC 923584303 73 kWh same
See the full ranking

What it will cost you

Period KI81RADC0 1/3HP Difference
1 year €21 €10 −€10
5 years €103 €51 −€52
10 years €207 €102 −€105
15 years €310 €153 −€157

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 · 310 L

310 L fridge 0 L freezer

23.5 kWh per 100 litres a year; the typical model in this group needs 32.9.

Noise · class B

30 dB · whisper40 dB · quiet library 34 dB
Dashed: group median 38 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 Siemens KI81RADC0 (this model)
310 L34 73 — —
300 L45 36 €10 €105
301 L36 56 €5 €48
307 L29 58 €4 €42
307 L29 58 €4 €42
307 L29 58 €4 €42

Label and product sheet

Energy class
C (scale A–G)
Energy consumption
73 kWh/year
Total volume
310 L
Fridge / freezer
310 L / 0 L
Noise
34 dB(A), class B
Height × width × depth
1,772 × 558 × 548 mm
Installation
built-in
Climate classes
SN, ST
Guarantee (supplier)
2 years
Spare parts (minimum)
7 years

Model numbers and history

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

KI81RADC0 · KI81RSDC0

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

Questions

How much does the Siemens KI81RADC0 cost to run?

At continuous operation it uses about 73 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €21 a year, or €207 over ten years.

Is the Siemens KI81RADC0 quiet?

Its label states 34 dB(A), noise class B. The typical fridges (no freezer), 300–399 L model is 38 dB(A).