Identify where the cooking vent sends air and which filters it uses
A hood or microwave may exhaust outdoors or recirculate indoors, and grease, charcoal, washable, and replace-only filters need different care.
When it usually needs attention
One-time setup or identification guide
Manufacturer examples show that vent modes and filter types differ; identify the exact configuration before creating care intervals.
When this guide applies
Applies when a range hood or over-the-range microwave is confirmed, even before its vent mode or filter type is known.
What to do
Record the hood or microwave model, use its manual to identify the vent mode and each homeowner-accessible filter, and leave any uncertain duct or internal part unresolved.
Applies when: Applies when a range hood or over-the-range microwave is confirmed, even before its vent mode or filter type is known.
Who should handle it: Residents may record accessible labels and user filters; duct routing, fan, wiring, fire suppression, and built-in equipment belong to the responsible owner and qualified service.
Tools
- Phone camera
- Exact hood or microwave manual
- Flashlight for accessible labels
Parts and supplies
- Written or digital equipment record
Safety gear
- None for an accessible label and manual review
Before you start
- Cooking equipment off and cool
- Stable floor-level access
Power, water, or fuel shutoffs
- Do not remove a screwed cover or reach into a fan or electrical area
Cleaner or chemical limits
Use no cleaner during identification and never spray degreaser into a fan, motor, light, control, duct, or charcoal filter.
Stop and get help when
- Stop if identification requires moving the appliance, climbing unsafely, opening a cabinet, or touching wiring or heavy grease inside the duct
Who to call: Use qualified hood, microwave, or ventilation service to identify concealed venting, wiring, fan, or inaccessible components.
Reviewed sources
- Microwave Grease and Charcoal FiltersSamsung — manufacturer example, not evidence of your home’s brand · reviewed July 13, 2026
- Over-the-Range Microwave Grease and Charcoal FiltersWhirlpool — manufacturer example, not evidence of your home’s brand · reviewed July 13, 2026
- Vent Hood Filter CareWhirlpool — manufacturer example, not evidence of your home’s brand · reviewed July 13, 2026
Manufacturer examples establish configuration branches only; the exact model manual controls the home record.