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Stainless baffle filters from a range hood soaking in a sink of hot soapy water.

Habits that keep it pulling for years

Maintenance and prevention
guides.

The small routines that keep a range hood off our schedule, from washing mesh and baffle filters and changing charcoal ones to wiping the canopy, checking the damper and running the fan after cooking.

(844) 398-3217

Mon–Sat, 8am–8pm

  • Three guides
  • Read before you book
  • Says where to stop

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Maintenance and prevention,
guide by guide.

Most of the hood calls we answer for weak suction, a rising roar or grease dripping onto the burners trace back to the same few neglected jobs. This section covers them: washing the metal mesh or baffle filters, changing the charcoal in a recirculating hood, and a once-a-year walk around the hood with a flashlight and a pot of boiling water.

All 18 guides
A stainless baffle-filter range hood above a kitchen counter, one baffle panel lowered out of the canopy and resting on a folded towel beside a sink of soapy water, the remaining filters and the range hood lights glowing above, a wisp of steam drifting up from the soft-focus burners below.
4-minute read

Cleaning Mesh and Baffle Filters Without Bending or Dulling Them

Telling mesh from baffle, how often each needs a soak, sink or machine wash, the cleaners that harm aluminum and the hoods that catch grease in the blower instead.

A white under-cabinet range hood below pale wood cabinets in a small apartment kitchen, its front louvers of the recirculating outlet visible, a light plume of steam rising from a pot into the range hood, the burners below cropped and out of focus.
4-minute read

When to Change Charcoal Filters in a Recirculating Hood

What activated charcoal traps, why it fails without a visible sign, the intervals two makers publish and how to fit and date a new set.

A stainless wall-mount chimney range hood on a light stone-tile wall, its lights on, a tall column of steam from a boiling pot rising straight up into the range hood, the pot and burners at the very bottom of the frame soft and out of focus, a small notebook and flashlight on the counter to one side.
5-minute read

A Yearly Range Hood Check: Mounting, Fan Speeds, Steam Test and the Outside Cap

Half an hour from the floor with a flashlight and a boiling pot: how the hood hangs, how each speed sounds, whether steam is caught and what the cap outside shows.

Habits that keep it pulling for years.

Every job here is done from the floor with the fan off. None of them asks an owner to remove a flue cover, open a blower housing or climb onto the roof to reach the outside cap, and each guide says where its own limit is. Past that line, the work belongs to a technician.

The intervals come from the hood makers' own published guidance, and they do not all agree. Rather than pick one number, the guides show the spread and explain which way a given kitchen should lean: a household that sears and fries most nights sits at the short end, one that mostly steams and boils sits at the long one.

Keeping grease out of the blower and the duct matters for more than airflow. Grease that gets past a filter settles where heat can reach it, which is why a clean filter is also the cheapest fire precaution in the kitchen. The safety guides on this site cover what to do if a flare-up does happen.

Not sure where to start?

The short answerCleaning Mesh and Baffle Filters Without Bending or Dulling Them

To clean range hood filters, take out the aluminum mesh or stainless baffle panels, soak them in warm water with a mild detergent, rinse and let them dry before refitting.

The short answerWhen to Change Charcoal Filters in a Recirculating Hood

Range hood charcoal filter replacement is a schedule, not a cleaning job: activated charcoal cannot be washed back to life.

The short answerA Yearly Range Hood Check: Mounting, Fan Speeds, Steam Test and the Outside Cap

A yearly range hood maintenance checklist covers six things from the floor: how firmly the hood hangs, every fan speed and its sound, a steam test for capture, the lights and controls, the grease filters and any charcoal, and the outside cap and damper.

When reading
is not enough.

If the checks in these guides did not settle it, the visit picks up from there, stop by stop.

What repairs cost
  1. 01Airflow, speed by speed
  2. 02A figure before any work
  3. 03Common parts in the van
  4. 04Pulling steam before we go

The problems
these answer.

Each has a page of its own, with the causes in the order worth checking.

All 17 problems
A stainless wall-mount chimney range hood on a tiled wall fills the upper half of the frame, a haze of cooking steam spilling past the front and side edges of the range hood's canopy and hanging in the kitchen air, a mesh grease filter under the canopy visibly dark with grease. Problem

Range Hood Runs but Barely Pulls Smoke

7 causes, cheapest first

 Close view of the front edge of a stainless under-cabinet range hood below white cabinets, a single amber drop of grease hanging from the range hood's lower lip above a cold, empty cooking surface, the baffle filters above it glossy with grease. Problem

Grease or Oily Water Dripping From the Range Hood

6 causes, cheapest first

 A stainless wall-mount chimney range hood on a tiled kitchen wall fills the upper half of the frame, dark gray smoke curling up into the range hood from a covered frying pan on the burner below, the pan's lid in place and the burner knob turned off. Stop cooking under it

Grease Fire Under or Inside a Range Hood

6 causes, cheapest first

 Close view of the front control strip of a stainless wall-mount chimney range hood on a tiled wall, a few abstract lit segments on its small display and one indicator blinking, the range hood's canopy filling the upper half of the frame. Problem

Reading a Range Hood Error Code or Blinking Light

7 causes, cheapest first
A family cooking together under a stainless range hood in a bright kitchen.
For the heart of your home.

Questions about
maintenance and prevention.

What is the single most useful hood maintenance job?
Washing the metal grease filters on schedule. Clean filters keep airflow up, protect the blower and any charcoal behind them, and keep grease from building up inside the hood.
Do I need special cleaners for a stainless hood?
Warm water with a mild dish detergent and a soft cloth handle routine cleaning. Avoid abrasives and scouring pads, and wipe stainless along its grain rather than in circles.
How do I know if my hood recirculates?
A recirculating hood returns air through slots or a grille near its top and has a charcoal filter behind the grease filter. A ducted hood sends air to a cap outdoors.
Can regular upkeep prevent a blower motor from wearing out?
It cannot stop wear entirely, but clean filters mean less grease on the wheel and less strain on the motor, which Broan-NuTone links to longer hood life.

The other
sections.

Split by what you are trying to find out rather than by which part of the appliance it concerns.

All guides
Steam curling out past the edge of a range hood instead of rising into it.
What the hood is telling you

Common problems

A finger pressing a button on the control strip of a range hood, the indicator lights dark.
Checks you can make from the floor

Troubleshooting

A pan lid resting on a small pan under a range hood, the burner off.
Keeping people, the kitchen and the air safe

Grease, fire and air

A wall-mount chimney range hood and an island range hood in one open kitchen.
Which hood, and fix or replace

Choosing and comparing

A round metal duct rising from the top of a range hood into the ceiling, the chimney cover set aside.
Size, duct, damper and make-up air

Installation and setup

Not sure which section?

Start from your question

The four questions most visits start with, each with the guide that answers it.

18 guidesWhere to start Where to start

Back to your everyday

Let’s get your range hood working again.

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Schedule a repair Call (844) 398-3217
(844) 398-3217 Schedule a repair