1
Clogged grease filters (most common)
The aluminium filters under the hood — about 70% of cases.
Common fault
Weak Kitchen Hood Suction — Causes and Solutions
A weak hood means smoke and smells linger in the kitchen and steam builds up on the walls. The causes are usually simple — most commonly clogged filters.
Symptoms
If you notice one or more of these symptoms, this page is for you:
- Smoke is not extracted
- Smells linger in the kitchen
- Steam builds up on the walls
- The hood runs but there is no suction
The most common causes
2
Worn carbon filter
In recirculation hoods that recycle the air.
3
Weak motor
It loses power after years of use.
4
Blocked external ducts
Bird nests, grease buildup, or general blockage.
5
Blocked external vent
The exterior air-outlet grille needs cleaning.
Solutions
Safe DIY solutions
Clean the grease filters
- 1 Remove the filters
- 2 Soak in hot water + a dishwasher tablet or strong soap
- 3 Leave them for a full hour
- 4 Rinse and dry well
- 5 Reinstall
Replace the carbon filter
- 1 Replace it every 3-6 months depending on use
For the technician
- Cleaning the external ducts
- Motor replacement
- External vent repair
When to call a technician
- If cleaning did not solve it
- If the motor is weak or stopped
- If the external ducts need cleaning
We repair every hood type: wall-mounted, island, built-in — for all brands.
See all hood repair services Or call directly on 16062
Quick diagnosis for Weak hood suction
Use this table to identify the closest cause before calling. If gas smell is involved, treat it as an emergency.
Symptom
Likely cause
Best action
Smoke is not extracted
Clogged grease filters (most common)
Cleaning the external ducts
Smells linger in the kitchen
Worn carbon filter
Motor replacement
Steam builds up on the walls
Weak motor
External vent repair
The hood runs but there is no suction
Blocked external ducts
Clean the grease filters
The hood runs but there is no suction
Blocked external vent
Clean the grease filters
Main service related to this fault
Hood repairRelated faults that may be the cause
Frequently asked about Weak hood suction
How often should I clean the filters?
Monthly or every two months depending on use.
Is the motor repaired or replaced?
If weak it may be serviced; if burnt it is replaced.
How much does it cost?
Inspection is free and the technician explains the cost.
Is there a warranty?
Yes — a written warranty.
Have the same problem? Call now
A specialist technician reaches you within an hour with free inspection and warranty up to a year.
- Free inspection
- Technician within 1 hour
- Warranty up to 1 year
- 24/7 service