Can this ceiling hood be used in recirculation mode?

Yes. The extraction type is specified as ducted out or re-circulation possible. Compatible charcoal filters such as KITALLFC and KITFCKLTR are available for use in re-circulation configurations.

What is the minimum installation distance from the hob?

The minimum distance from a gas hob is 650 mm, and the minimum distance from an electric hob is also 650 mm.

How loud is the SMEG KLT9L4X at different speeds?

At minimum speed the airborne acoustical A-weighted sound power is 48 dBA. At maximum standard speed it is 63 dBA, and at boost or intensive speed it is 69 dBA. Extraction rate data also specifies 48 dBA at speed 1, 55 dBA at speed 2, 62 dBA at speed 3 and 69 dBA at intensive speed.

What energy efficiency rating does this hood have?

The hood has an energy efficiency class B, with annual efficiency consumption (AEChood) of 94 kWh/year. Fluid Dynamic Efficiency class is B and Lighting Efficiency class is also B.

How are the filters maintained and when should they be changed?

The hood uses three aluminium anti-grease filters to help remove grease from steam during cooking. A filter replacement indicator with warning light advises when filters need changing. Compatible charcoal filters such as KITALLFC and KITFCKLTR can be washed in a dishwasher and dried in an oven following the specified temperature and time instructions.

What special functions does the 24 h setting provide?

When the 24 h function is selected, the hood refreshes the air for about 10 minutes every hour over a 24 hour period at minimum speed and an imperceptible noise level. This is in addition to the standard speeds and intensive or turbo setting.

Product Information Sheet

Smeg Ceiling Hood

SKU: KLT9L4X

Woodalls 1053–1055 Finchley Road, London, NW11 7ES
+44 (0)208 455 3925 · [email protected] · www.woodalls.co.uk

Mon–Fri: 9:00am – 5:00pm | Sat–Sun: Closed

Printed 12 June 2026

Smeg KLT9L4X Ceiling Hood

SKU: KLT9L4X · EAN: 8017709326227

Stainless Steel

The SMEG KLT9L4X is a 90 cm stainless steel ceiling cooker hood designed for universal aesthetics and flexible installation with ducted out or re-circulation operation. It features brushed stainless steel perimeter extraction with touch control, three speeds plus intensive, and efficient LED lighting. With electronic control, 24 hour air filter function and Auto-Vent 2.0, it offers effective extraction performance and convenient operation in a discreet ceiling-mounted design.

2 Year Warranty

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Product family	Hood
Hood type	Ceiling Cooker Hoods
Design	Ceiling
Aesthetics	Universal
Colour / material	Stainless steel, brushed, stainless steel AISI 304 (for KITALLFC accessory)
Finishing	Brushed, silk screen logo
Hood width	90 cm
Extraction type	Ducted out or re-circulation possible
Electronic control	Yes
Perimeter extraction	Yes, perimeter extraction panels
Control setting	Touch control back-lighted, white
Number of speeds	3 speeds + intensive speed
24h air filter function	Yes (refreshes air for c. 10 minutes every hour over 24 hours at minimum speed)
Time-setting options	Includes setting to run after end of cooking for a pre-set time and then switch off automatically
Auto-Vent 2.0	Yes (connection between hob and hood; further details not stated in source)
Number of lights	2
Light type	LED
Light power	7,4 W (Normal power of the light system 15 W)
Light colour temperature scale	3000 K
Light colour temperature range	3000 – 5700 K
Average illumination on cooking surface (Emiddle)	303 lux
Free outlet maximum capacity	610 m³/h
Air flow at minimum speed (Qmin)	208 m³/h
Maximum extraction rate	452 m³/h
Intensive extraction rate	594 m³/h
Motor power	270 W
Number of filters	3 aluminium anti-grease filters
Filter replacement indicator	Yes (warning light to advise when filters need changing)
Vent outlet	150 mm with non return valve
Minimum distance from gas hob	650 mm
Minimum distance from electric hob	650 mm
Annual efficiency consumption (AEChood)	94 kWh/year
Energy efficiency class (EEC)	B
Fluid Dynamic Efficiency (FDE)	25,9
Fluid Dynamic Efficiency class (FDEC)	B
Lighting Efficiency (LE)	25,9 lux/W
Lighting Efficiency class (LEC)	B
Grease Filtering Efficiency (GFE)	72,0 %
Grease Filtering Efficiency class (GFEC)	D
Airborne acoustical A-weighted sound power (SPEmin)	48 dBA at minimum speed
Airborne acoustical A-weighted sound power (SPEmax)	63 dBA at maximum speed
Airborne acoustical A-weighted sound power (SPEboost)	69 dBA at boost speed
Sound power level at highest setting (Lwa)	63 dBA
Time increase factor (F)	1,1
Energy Efficiency Index per first cavity	68,7
Measured air flow rate at best efficiency point (Qbep)	335 m³/h
Measured air pressure at best efficiency point (Qbep)	630 Pa
Measured electric power input at best efficiency point (Wbep)	226 W
Extraction rate IEC 61591 – Speed 1	208 m³/h – 48 dBA (IEC 60704-2-13)
Extraction rate IEC 61591 – Speed 2	323 m³/h – 55 dBA (IEC 60704-2-13)
Extraction rate IEC 61591 – Speed 3	452 m³/h – 62 dBA (IEC 60704-2-13)
Extraction rate IEC 61591 – Intensive speed	594 m³/h – 69 dBA (IEC 60704-2-13)
Nominal power	305 W
Voltage	220–240 V
Frequency	50–60 Hz
Power supply cable length	1500 mm
Model code	KLT9L4X

Delivery & Returns

Delivery

Free delivery to London addresses to ground floor only (service lift access accepted). Some appliances carry standard manufacturer delivery charges — confirmed at time of quotation. UK mainland delivery available for an additional charge. Lead times vary by make, model, and manufacturer availability.

Installation

We do not install appliances. We can recommend vetted fitters operating within London — payments are made directly with the fitter. Woodalls accepts no responsibility for installation work carried out by any third party.

Returns

14-day return window from the day after delivery. Items must be unused, uninstalled, and in original packaging. View our full returns policy →

Authorised Dealer

All products are supplied as an authorised Smeg dealer, with full manufacturer warranty. Established 1967.

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