Can this downdraft hood be used with gas hobs?

No. The planning and installation information specifies that this model is not suitable for combination with gas hobs.

Is the Siemens iQ700 LD98WMM66 suitable for recirculation?

Yes. The hood is suitable for ducted and re–circulating operation. For recirculated extraction, a Clean Air Plus recirculation kit is needed as an optional accessory.

What are the maximum extraction rates in exhaust and recirculation modes?

In exhaust mode, the maximum extraction rate in normal use is 519 m³/h and 833 m³/h in intensive mode according to EN 61591. With the Clean Air Plus recirculation kit, recirculation mode achieves up to 456 m³/h in normal use and 596 m³/h in intensive mode.

How loud is the hood during operation?

In exhaust air mode, the noise level is 62 dB(A) re 1 pW at maximum normal use and 71 dB(A) re 1 pW in intensive mode. In recirculation mode with the Clean Air Plus kit, the noise level is 66 dB(A) re 1 pW at maximum normal use and 71 dB(A) re 1 pW in intensive mode.

How many fan speeds does the hood offer?

The hood provides 3 power levels and 2 intensive settings, described as 3–stage + 2 intensive.

Is remote control via smartphone possible?

Yes. With Home Connect, remote monitoring and control via smartphone or tablet is possible in countries where the Home Connect service is available. Voice control via popular voice assistants is also supported where this service is available.

Product Information Sheet

Siemens StudioLine Downdraft

SKU: LD98WMM66

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

Siemens LD98WMM66 StudioLine Downdraft

SKU: LD98WMM66 · EAN: 4242003877319

Black with Clear Glass

The Siemens iQ700 LD98WMM66 is a 90 cm downdraft hood in clear glass and black, designed to rise from the worktop when needed and disappear when not in use. It offers excellent extraction performance from all cooking zones using iQdrive and Guided Air technology, and is suitable for ducted or recirculating operation with optional accessories. With emotionLight Pro, fully automatic functions and Home Connect, it combines powerful ventilation with sleek, integrated design.

2 Year Warranty

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Product name	iQ700 Downdraft hood, 90 cm, clear glass, Black
Model reference	LD98WMM66
Typology	Downdraft
Installation type	Built–in; installation: integrated; suitable for island or semi–island kitchen solution
Width	90 cm wide; appliance dimensions (HxWxD): 709 x 912 x 140 mm
Built–in dimensions (HxWxD)	703 x 854 x 123 mm
Required niche size (HxWxD)	703 mm x 854.0 mm x 123 mm
Extension height	250 mm
Height of the appliance	709 mm
Weight	39.7 kg
Control panel	Electronic; touchControl; standard functions located on the right–hand user interface
Number of speed settings	3–stage + 2 intensive (3 power levels and 2 intensive settings)
Energy Efficiency Class	A (range A+++ to D)
Average energy consumption*	37.8 kWh/year*
Blower Efficiency Class*	A*
Lighting Efficiency Class*	Not stated in source (shown as '-*')
Grease Filtering Efficiency Class*	C*
Maximum output air extraction	519 m³/h (max. normal use exhaust air according to EN 61591)
Boost position air extraction	833 m³/h (intensive exhaust air according to EN 61591)
Maximum output recirculating air	456 m³/h (max. normal use with Clean Air Plus recirculation kit)
Boost position output recirculating	596 m³/h (intensive recirculation with Clean Air Plus recirculation kit)
Maximum air flow	519 m³/h
Noise level (exhaust air, max. normal use)	62 dB(A) re 1 pW (according to EN 60704-3 and EN 60704-2-13)
Noise level (exhaust air, intensive)	71 dB(A) re 1 pW
Noise level (recirculation, max. normal use)	66 dB(A) re 1 pW (with Clean Air Plus recirculation kit)
Noise level (recirculation, intensive)	71 dB(A) re 1 pW (with Clean Air Plus recirculation kit)
Motor	iQdrive motor; Efficient BLDC motor
Operation modes	Suitable for ducted and re–circulating operation
Grease filter material	Washable stainless steel; 2 metal grease filter cassettes
Grease / charcoal filter indicators	Grease and charcoal filter saturation indicators; filter service button
Diameter of air outlet	150 mm; extractor hose 150 mm
Length electrical supply cord	130 cm; electrical cable length 1.3 m
Connection rating	300 W (power rating 300 W)
Nominal power	220–240 V
Frequency	50; 60 Hz
Fuse protection	10 A
Plug type	Gardy plug w/ earthing
EAN code	4242003877319
Suitability	Not suitable for combination with gas hobs
Standards / notes	* In accordance with EU–Regulation No 65/2014

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 Siemens dealer, with full manufacturer warranty. Established 1967.