p/kWh
Energy class
C
A to G scale, GB energy label
Official energy figure
97 kWh/annum
97 kWh a year at your usage
Our estimated running cost
£26 / year
£256 over 10 years
Extraction
600 m³/h
295 m³/h on the lowest setting
Energy (label)
97 kWh · a year
Grease filtering
Class C · 75% of grease caught
Fan efficiency
Class D · air moved per watt
Lighting
Class A
Noise
68 dB · 51 dB on the lowest setting

134% more energy than the median of 39 comparable 600 to 799 m³/h chimney cooker hoods in our current UK dataset (42 kWh/annum). It uses less than 8% of them. At your rates that is about £15 a year more than the median, £147 over 10 years.

How efficient is it for its size?

kWh/annum. Bar: the middle 80% of 39 comparable 600 to 799 m³/h chimney cooker hood registrations. Dot: this model (above the median). Hover or tab to a mark for its value.

Cohort: every 600 to 799 m³/h chimney cooker hood in our current UK dataset with a verified product information sheet, compared on the label figure (kWh/annum).

Cooker hoods that use less energy

Same type and size group, at least 3% lower label figure. UK products only.

ModelClassEst. cost / yrCompare
Haier HATS9CBS4B25 kWh/yr611 LA+£6
Haier HADG9CBS4BWIFI26 kWh/yr624 LA++£7
Fisher & Paykel HC60BCXB434 kWh/yr564 LA£9
Smeg KD100HXE39 kWh/yr639 LA+£10
Smeg KPF9RD40 kWh/yr630 LA+£11

The label states energy use per year on a standard assumption of one hour a day on the highest setting and lighting use; a hood runs when you cook. Estimated cost uses your electricity price and usage settings.

Cooker hoods similar to the Aeg DBX3951R

ModelClassEst. cost / yrCompare
Smeg KD61XE379 kWh/yr600 LC£21
Fisher & Paykel HC90BCXB442 kWh/yr602 LA£11
Fisher & Paykel HC90BCBB442 kWh/yr602 LA£11
Beko HCF61620X56 kWh/yr603 LB£15
Haier HATS6CBS4B29 kWh/yr596 LA+£8
Smeg KD120HXE42 kWh/yr606 LA+£11

The label states energy use per year on a standard assumption of one hour a day on the highest setting and lighting use; a hood runs when you cook. Estimated cost uses your electricity price and usage settings.

Other Aeg models of similar size

ModelClassEst. cost / yrCompare
Aeg DBX3651R97 kWh/yr600 LC£26
Aeg DTB3652M100 kWh/yr600 LC£26

The label states energy use per year on a standard assumption of one hour a day on the highest setting and lighting use; a hood runs when you cook. Estimated cost uses your electricity price and usage settings.

Compare DBX3951R with another cooker hood

Aeg DBX3951R specifications

Structured from the supplier’s product information sheet, the document the GB energy label is based on.

Energy efficiency class
C
Annual energy consumption
97 kWh/a
Extraction rate (maximum)
600 m³/h
Extraction rate (minimum)
295 m³/h
Fluid dynamic efficiency
15.3 (class D)
Grease filtering efficiency
75.1% (class C)
Lighting efficiency
39 lux/W (class A)
Noise (maximum / minimum)
68 / 51 dB(A)
Off-mode power
0.01 W
Type
chimney
Dimensions (H × W × D)
–

DBX3951R energy label and product information sheet

Energy labelFull size
GB energy label for the Aeg DBX3951R, class C
The supplier’s label image.
Product information sheet (PDF)DownloadFull screen
The supplier’s declaration the label and the figures on this page come from.

Energy label and sources

Great Britain record. Northern Ireland follows the EU label; an EPREL record is shown here once linked.

Scheme
GB energy label (Energy Information Regulations)
Regulation
EU 65/2014 as applied in Great Britain
Model identifier
DBX3951R
Supplier
AEG
Energy class
C
Label figure
97.4 kWh/annum
EPREL registration
2462637
Source
eprel_registration_from_model_search (official structured record)
Retrieved
24 September 2026

See the energy label and product information sheet above

Energy class shown
C
Seen at a UK retailer
in stock, £349 on 24 September 2026 · listing

UK figures on this page are from the supplier’s product information sheet, the document behind the GB energy label, and are not edited. Running costs, benchmarks and comparisons are our calculations. Retailer price and availability are observations on the date shown, not offers. How the UK data is gathered and calculated.