EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Range hood · 326 m³/h

Thermex 520.21.7151.2

A+

Uses less electricity than 95% of the 5,468 range hoods, under 400 m³/h on the EU register. At your selected price (European Union) that is €3 a year, €32 over ten years.

Noise (max)
61 dB
Typical 64 dB
Airflow (max)
326 m³/h
Running cost
€3 / year

Only 257 of 5,468 range hoods, under 400 m³/h do better. Only 7% of comparable models have a better class than A+. At 61 dB(A) at full power it is 3 dB quieter than the typical hood in its airflow group. Thermex has 102 models in this group; this one is number 5 among them. Thermex sells the same label values under other model names: 520.21.7161.2.

Where it stands

Rank 258 of 5,468 range hoods, under 400 m³/h by yearly consumption. 257 use less.

Median 49 This model · 11 5 155 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+ Ciarra CBCB6903D-B 11 kWh same
  2. A+ Valberg 10006286 DH 90 MX302C V2 11 kWh same
  3. A+ Thermex 520.21.7151.2 11 kWh
  4. A+ Thermex 520.21.7161.2 11 kWh same
  5. A+ Franke 300.0600.537 11 kWh same
See the full ranking

Noise and extraction

50 dB · quiet office70 dB · vacuum cleaner 61 dB
Dashed: group median 64 dB
Extraction (fluid dynamic)
B
Grease filtering
D
Lighting
A

Same size, lower running cost

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

Model AirflowdB kWh / yr Saves / year in 10 years
A+ Thermex 520.21.7151.2 (this model)
326 m³/h61 11 — —
380 m³/h54 5 €2 €18
236 m³/h57 6 €2 €16
236 m³/h57 6 €2 €16
236 m³/h57 6 €2 €16
242 m³/h59 6 €2 €15

Label and product sheet

Energy class
A+ (scale A+++–D)
Yearly energy
11.3 kWh
Airflow min / max
167 / 326 m³/h
Noise min / max
43 / 61 dB(A)
Fluid dynamic efficiency
B
Grease filtering
D (69.4 %)
Lighting efficiency
A

Model numbers and history

Registered by Thermex under one model number.

520.21.7151.2

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

Questions

How loud is the Thermex 520.21.7151.2?

Its label states 61 dB(A) at the highest normal setting. The typical hood in this airflow group is 64 dB(A); every 10 dB sounds about twice as loud.