How to Clean Stove Hood Grease Like a Pro

Quick Answer

To clean stove hood grease effectively, soak the metal mesh filters in a sink filled with boiling water, degreasing dish soap, and baking soda for 15 minutes. Scrub away remaining residue with a non-abrasive brush and wipe the hood's exterior with a dedicated degreaser or a vinegar-water solution.

A greasy range hood isn't just gross, it's actually a fire hazard. When grease builds up in those filters, your fan motor works twice as hard and burns out way faster than it should. I've seen kitchen fires that started right at the hood. Clean this thing regularly and your cooking smells won't linger in your curtains and furniture for days either.

GenericOvenSeverity: lowDifficulty:

Time to Fix

30–60 min

Difficulty

Parts Cost

$0 (no parts needed)

Tools Needed

Heavy-duty degreasing dish soap (Dawn Platinum or similar), Baking soda

How to Clean Stove Hood Grease Like a Pro

OK so here's the deal: this job takes about 30 minutes of actual work plus soaking time, and you don't need anything fancy to do it right. Heavy-duty dish soap, baking soda, and a soft brush is basically all you need. I tell people to do this every two to three months, but if you're frying a lot or doing wok cooking on high heat, honestly you probably need to do it monthly.

Symptoms You May Notice

There's visible grease dripping or beading up on the underside of the filters, and sometimes it actually drips down onto the stovetop below
The kitchen stays smoky and hazy way longer than it used to after you cook, like the hood just isn't pulling any air anymore
You touch the bottom of the hood and your fingers come away sticky and coated with a brownish film
A rancid, stale grease smell is coming from the hood area even when you're not cooking anything
The fan sounds louder than usual and seems to be straining, fighting to pull air through filters that are basically blocked solid

Tools Required for Diagnosis

Heavy-duty degreasing dish soap (Dawn Platinum or similar)Baking sodaNon-abrasive scrub brush or old toothbrush for tight cornersMicrofiber cloths (at least two)Large sink or plastic storage tubKitchen degreaser spray (Zep, Simple Green, or similar)Rubber gloves (the water gets hot)Phillips #2 screwdriver (some hoods have screwed-in panels)

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Frequently Asked Questions

Can I put my stove hood filters in the dishwasher?

Yes, you can, but there's a catch. Most filters are aluminum, and dishwasher detergent can tarnish them or turn them a dull gray color over time. It won't hurt the performance at all, but they won't look as shiny. Honestly though, a lot of people just do it and don't care about the cosmetics. If you've got high-end stainless steel baffle filters, those are almost always dishwasher-safe and come out great. Just skip the heated dry cycle and let them air dry instead.

How often should I be cleaning these filters?

Every two to three months is the baseline for most households. But if you're doing a lot of frying, searing steaks, or wok cooking on high heat, you might need to do it monthly. The telltale sign is when you see grease beads forming on the bottom of the filters or when your kitchen stays smoky longer than usual after you cook. Don't wait for it to actually drip onto your stovetop, because at that point it's become a real fire hazard.

My hood has a fabric or charcoal filter, can I wash that?

No, don't try to wash charcoal or paper filters. They're designed to trap odor and grease particles, and once they're saturated, they need to be replaced, full stop. Washing them just destroys the filter media and makes a soggy mess that doesn't clean the air at all. Most manufacturers say to replace these every six months, but if you cook constantly you might need to swap them every three. Check your hood's manual for the specific part number because they're not all interchangeable.

What is the best degreaser to use on the hood surface?

For the exterior, warm water and grease-cutting dish soap works most of the time. For heavy buildup, a dedicated kitchen degreaser like Zep or Simple Green cuts through it fast. A baking soda and water paste is another solid option because it's mildly abrasive without scratching the finish. Just don't use anything with actual scrubbing particles on stainless steel or painted surfaces. And read the label on any commercial degreaser before you use it on a painted hood because some of them will strip the finish right off.

Why is the hood still sticky even after I cleaned it?

Grease can be incredibly stubborn because at that point it's basically polymerized oil, almost like a varnish baked onto the surface. If it's still sticky after cleaning, there's still a thin layer of organic residue left behind. Try a second soak with fresh hot water and more baking soda. Sometimes a little rubbing alcohol on a microfiber cloth helps strip that last tacky layer off the exterior. If you've got really baked-on residue on the hood body, a product like Goo Gone Kitchen Degreaser is worth trying.

How do I know if my range hood motor is damaged from clogged filters?

Listen for it. A healthy fan sounds smooth and consistent at every speed. If you're hearing grinding, rattling, or the motor sounds like it's surging or straining, the bearings might already be worn. Clogged filters make the motor run hotter and work harder, which kills bearings way faster than normal use. If cleaning the filters doesn't fix the noise or improve airflow noticeably, you might be looking at a motor replacement. They run anywhere from $50 to $200 depending on the brand and model.

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 17, 2026