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Costs for 0.283 €/kWh · Eurostat 2026 H1

Range hood · 641 m³/h

ok OHO 6271 M A+

A+

Uses less electricity than 95% of the 3,998 range hoods, 600–799 m³/h on the EU register. At your selected price (European Union) that is €5 a year, €53 over ten years.

Noise (max)
71 dB
Typical 66 dB
Airflow (max)
641 m³/h
Running cost
€5 / year

Only 180 of 3,998 range hoods, 600–799 m³/h do better. Only 9% of comparable models have a better class than A+. At 71 dB(A) at full power it is 5 dB louder than the typical hood in its airflow group. Of 3 ok models in this group, it is the most efficient.

Where it stands

Rank 181 of 3,998 range hoods, 600–799 m³/h by yearly consumption. 180 use less.

Median 55 This model · 19 5 185 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Brandt BHB4912B -01 19 kWh −€0.06
  2. A+ Control Air 02075463 - PH II 600 /A 19 kWh same
  3. A+ ok OHO 6271 M A+ 19 kWh
  4. A+ Thermex 423.19.3251.2 19 kWh same
  5. A+ Cata 02075468 HERA 9000 GBK 19 kWh +€0.03
See the full ranking

Noise and extraction

50 dB · quiet office70 dB · vacuum cleaner 71 dB
Dashed: group median 66 dB
Extraction (fluid dynamic)
A
Grease filtering
C
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+ ok OHO 6271 M A+ (this model)
641 m³/h71 19 — —
735 m³/h64 8 €3 €32
735 m³/h64 8 €3 €32
735 m³/h64 8 €3 €32
679 m³/h58 8 €3 €30
679 m³/h58 8 €3 €30

Label and product sheet

Energy class
A+ (scale A+++–D)
Yearly energy
18.8 kWh
Airflow min / max
232 / 641 m³/h
Noise min / max
52 / 71 dB(A)
Fluid dynamic efficiency
A
Grease filtering
C (75.3 %)
Lighting efficiency
A

Model numbers and history

Registered by ok under one model number.

OHO 6271 M A+

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

Questions

How loud is the ok OHO 6271 M A+?

Its label states 71 dB(A) at the highest normal setting. The typical hood in this airflow group is 66 dB(A); every 10 dB sounds about twice as loud.