Kitchen Chimney Care Tips for a Delhi Home

1. Know which filter you have — it changes everything

• Baffle filter — curved steel panels. The standard in Indian kitchens because it handles heavy oil well. Wash it yourself, roughly monthly.
• Mesh / cassette filter — layers of fine aluminium mesh. Traps oil well but clogs fast and is a nuisance to clean properly. Common on older units.
• Filterless / auto-clean — oil is flung into a collector cup instead. Nothing to wash, but the cup must be emptied, and people forget it exists until it overflows.

If you do not know which you have, look up. It takes ten seconds and it determines the entire maintenance routine below.

2. Wash the filter monthly, in hot water

This is the whole job, and it is why chimney servicing gets called for far more often than it should be.

• Soak the baffle or mesh filter in very hot water with a strong degreasing detergent. Twenty minutes of soaking does more than twenty minutes of scrubbing.
• A handful of baking soda in the water helps cut the oil.
• Rinse and let it dry completely before refitting — a wet filter smells within days.
• Monthly in a kitchen that cooks daily. Every two months if you cook lightly. Not annually, whatever the manual says.

If you have an auto-clean model, empty the oil collector cup on the same schedule.

3. The three signs it needs a professional clean

• Suction is weak even with a freshly washed filter. The grease has moved past the filter into the blower and the duct, which is not a home job.
• It has become noticeably louder. An unbalanced, grease-loaded impeller makes a deeper, rougher noise. Ignore it and the motor bearing goes next.
• Oil dripping from the hood. Grease is now pooling inside the body. Deal with it before it drips onto a hot hob.

Our chimney cleaning cost guide covers what a deep clean involves and what it should cost.

4. Check where the duct actually goes

A surprising number of chimneys in Delhi flats do not vent anywhere useful — the duct runs into a closed cabinet, terminates inside a false ceiling, or has so many bends that airflow dies before it reaches the outside.

• Shorter and straighter is dramatically better. Every ninety-degree bend costs suction.
• Check the external flap opens when the chimney runs. They jam shut with grease and paint, and a jammed flap means no extraction at all.
• If your kitchen has no external wall and the unit is recirculating through a carbon filter, that filter is a consumable — it cannot be washed, only replaced, and an exhausted one does nothing.

5. Two habits that halve the work

• Switch it on before you start cooking and leave it running afterwards. Five minutes either side. A chimney switched on once the kitchen is already full of smoke is working against a problem instead of preventing it.
• Wipe the hood while the kitchen is still warm. Warm grease wipes off with a cloth; cold grease needs a solvent. Thirty seconds after cooking saves a scrubbing session later.

While you are dealing with kitchen grease, our deep cleaning guide covers what a professional kitchen clean includes — the cabinet tops and the wall behind the hob are usually worse than the chimney itself.