EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Range hood · 453 m³/h

Thermex 540.21.1591.2

A+++

Uses less electricity than 99% of the 11,514 range hoods, 400–599 m³/h on the EU register. At your selected price (European Union) that is €2 a year, €24 over ten years.

Noise (max)
54 dB
Typical 64 dB
Airflow (max)
453 m³/h
Running cost
€2 / year

Only 98 of 11,514 range hoods, 400–599 m³/h do better. Class A+++ is the best class any model in this group reaches, and only 3% of them do. At 54 dB(A) at full power it is 10 dB quieter than the typical hood in its airflow group. Of 165 Thermex models in this group, it is the most efficient. Thermex sells the same label values under other model names: 540.21.1592.2, 540.21.8582.2, 540.21.1482.2.

Where it stands

Rank 99 of 11,514 range hoods, 400–599 m³/h by yearly consumption. 98 use less.

Median 53 This model · 9 5 205 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+++ PKM S75-60KLA+++ 9 kWh same
  2. A+++ Thermex 540.21.1482.2 9 kWh same
  3. A+++ Thermex 540.21.1591.2 9 kWh
  4. A+++ Thermex 540.21.1592.2 9 kWh same
  5. A+++ Thermex 540.21.8582.2 9 kWh same
See the full ranking

Noise and extraction

50 dB · quiet office70 dB · vacuum cleaner 54 dB
Dashed: group median 64 dB
Extraction (fluid dynamic)
A
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 540.21.1591.2 (this model)
453 m³/h54 9 — —
511 m³/h54 7 €1 €5
511 m³/h54 7 €1 €5
480 m³/h54 7 €1 €5
481 m³/h58 7 €0 €3
481 m³/h58 7 €0 €3

Label and product sheet

Energy class
A+++ (scale A+++–D)
Yearly energy
8.6 kWh
Airflow min / max
135 / 453 m³/h
Noise min / max
37 / 54 dB(A)
Fluid dynamic efficiency
A
Grease filtering
D (66.2 %)
Lighting efficiency
A

Model numbers and history

Registered by Thermex under one model number.

540.21.1591.2

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

Questions

How loud is the Thermex 540.21.1591.2?

Its label states 54 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.