How to Clean a Pellet Grill? (6 Simple & Easy Steps )

Devon Ferguson
Published by Devon Ferguson
Last Updated On: December 5, 2023

With my extensive background in food preparation on virtually any grill, I have learned the importance of keeping your cooking equipment in top condition for both safety and quality purposes.

I’ve been using pellet grills for the past three years, and I’ve learned how to keep them in top condition for the best cooking results.

By following these step-by-step instructions and tips, you can rest assured that your pellet grill will remain in excellent condition for years to come, producing delicious and safe meals for you and your loved ones.

Quick Summary

  • Regular cleaning of a pellet grill is critical for maximum performance and longevity.
  • Frequent cleaning prevents grease fires and produces better-tasting food.
  • Avoid using wire bristles, as they can damage your grill.

Basic Cleaning Steps

Cleaning a pellet grill

Keeping a grill clean is a basic part of pellet grill maintenance and essential for its longevity and performance.

Basic cleaning should be done after every cook, and a more thorough deep cleaning should be done every few cooks or as needed.

To help you achieve thorough and efficient grill maintenance, we invite you to explore our handpicked list of the best grill brushes.

This section will cover the basic cleaning steps for a pellet smoker.

1. Gather Your Supplies

Before you begin cleaning your pellet grill, gather the necessary supplies.

Here's a checklist to help you get organized:

  • Grill brush
  • Wire brush or putty knife
  • A damp cloth or paper towels
  • Cleaning solution (mild dish soap or specialized grill cleaner)
  • Spray bottle
  • Aluminum or tin foil
  • Shop vac or regular vacuum cleaner with a brush attachment

2. Cleaning the Exterior

Cleaning the outside of a pellet smoker after smoking is simple.

Once the grill is completely cool, use warm soapy water and a rag or sponge to wipe down the grill lid and exterior surface. 

Avoid using abrasive cleaners or wire brushes that can damage a stainless steel grill's finish. Rinse with water and dry with a clean cloth or paper towel.

3. Cleaning the Grill Grates

Cleaning a pellet grill grates

Cleaning the grill grates after every smoke is essential to prevent grease buildup and maintain the grill's performance.

Use a grill brush or scraper to remove food particles or carbon buildup. For stubborn grime, soak the grates in warm water with dish soap for a few minutes before scrubbing them.

To get porcelain-coated grates clean, use a nylon scrubber or a soft rag. Steel bristles can damage the porcelain coating.

For stainless steel or cast iron grates, use a brush or putty knife to remove any food residue.

If the grates are dishwasher-safe, feel free to use the dishwasher to make this part of the job easier.

After cleaning, you can wipe the grates with a clean rag or paper towel dipped in vegetable oil to prevent rust [1].

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4. Cleaning the Heat Diffuser

While the grates are soaking, remove the heat diffuser and clean it thoroughly. Use a grill brush to scrub away any grease drip or ash buildup.

Then, use a damp cloth to wipe it clean.

5. Cleaning the Firepot

Cleaning a pellet grill firepot

The firepot is where the pellet combustion occurs, and it can accumulate ash over time, affecting the grill's performance.

After every smoking session, empty any remaining pellets from the hopper.

Use a metal scraper or putty knife to release any ash buildup from the firepot. Use a shop vac or a small brush to remove any remaining ash.

6. Cleaning the Grease Bucket

The grease bucket collects the drippings from the pellet smoker and should be emptied regularly to prevent fires.

After every cook:

  1. Remove the grease bucket and dispose of the contents.
  2. Clean the bucket and its grease chute with warm water on a soapy rag or sponge.
  3. Rinse with water and dry with a clean cloth or paper towel.
  4. If there is a thermometer inside of your grill, clean it as well.

Deep Cleaning Your Pellet Grill

Cleaning a pellet grill

Periodically, a deep clean is crucial to keep your pellet grill functioning properly.

This should be done every few months or after every few uses, depending on how often you use your grill. Here are some steps to deep clean your grill.

1. Cleaning the Cooking Chamber

The first step in deep cleaning your pellet grill is to clean the cooking chamber once it is completely cooled.

Start by removing the grates, then remove the drip tray and heat baffle or deflector plate. Use a putty knife or scraper to remove any excess carbon from the sides and all the lips. 

You can also use a steel brush or nylon scrubber to help scrape off any stubborn buildup. If it is bad enough, try a pressure washer to get rid of the remaining residue.

Once you have removed all the debris from the cooking chamber, wash the grates, drip tray, and deflector plate with hot water with soap or a degreaser.

Rinse them thoroughly and dry them completely before returning them to the grill.

2. Cleaning the Chimney

The chimney is an important part of your pellet smoker and should be cleaned regularly to prevent fires and other issues.

Use a metal scraper or wire brush to remove any buildup inside the chimney. You can also use a shop vac to remove any loose dust or smoke residue.

Also Read: How to Light Your Charcoal Without Chimney Starter

3. Cleaning the Hopper

Cleaning a pellet grill hopper

The hopper is another important part of your pellet grill that should be cleaned regularly. Start by removing the hopper and emptying any pellets that are left inside.

Use a soft brush or cloth to scrape any debris from the walls of the hopper. You can also use a shop vacuum to remove any loose detritus.

If there is stubborn residue, use a cloth with some mild detergent to wipe clean. Rinse thoroughly and dry completely. Do not refill the pellets until it is time for your next cook.

4. Cleaning the Ignition System

The ignition system is responsible for starting the pellet combustion process, so keeping it clean and functioning is important.

Use a paper towel or rag to wipe down the igniter rod and the internal temperature probe.

If you notice any dips in performance or issues with the ignition system, you may need to replace the igniter rod or other parts [2].

Check your grill's manual for instructions on how to do this.

4 Reasons You Should Clean a Pellet Grill

A clean pellet grill

Here are a few key reasons to clean a pellet grill:

  • Food Safety: Regular cleaning prevents the buildup of harmful bacteria and ensures your dinner remains safe for consumption.
  • Optimal Performance: Being clean helps a grill burn more efficiently, maintaining consistent temperatures and preventing a grease fire.
  • Longevity: Cleaning your pellet grill regularly helps extend its lifespan, saving you money on repairs or replacements.
  • Great Food: A clean grill enhances the flavors of your dishes by preventing old meal residue from imparting unwanted flavors.

"I always say, take care of your grill, and it will take care of you. Regular cleaning ensures your grill lasts longer and cooks better."

- Steven Raichlen, American Grill Master

7 Tips and Tricks

Cleaning a pellet grill

To clean your grill even more effectively and efficiently, here are some additional tips and tricks:

  • Be safe: Unplug your grill from its power source before you wipe, scrape, or vacuum it. Let it cool completely before vacuuming.
  • Use vinegar: For stubborn grease or grime, mix equal parts vinegar and warm water in a spraying bottle and spritz the affected areas. Let it sit briefly before scrubbing it with a brush or cloth. Vinegar helps break down grease and stubborn residue, making cleaning easier.
  • Line the drip tray: To make cleaning it easier, consider lining the grease drip tray with tin or aluminum foil. This way, you can simply remove and replace the foil after each use, minimizing the need for extensive scrubbing of the drip pan.
  • Avoid metal bristles: While a brush with metal bristles is effective for cleaning the grates, be cautious when using it. The bristles can sometimes break off and stick to the grates, posing a safety hazard if ingested. Alternatively, opt for grill brushes with nylon bristles or use a grill stone to clean the grates.
  • Maintain the cover: Using a grill cover when your pellet grill is not in use is a great way to protect the lid and body from dirt and the elements. Regularly clean the cover and ensure it's free of any moisture or mold that can affect the cleanliness of your grill.
  • Dispose of ash properly: When cleaning the ash from your pellet grill, dispose of it safely and appropriately. Place the cooled ash in a stainless steel or other metal container and seal the lid tightly before discarding it. This prevents the risk of fire caused by hot and smoking embers.
  • Check for damage: While cleaning your pellet grill, take the opportunity to inspect the grill parts for any signs of damage or wear. Replace any worn-out or damaged components to maintain the grill's performance and safety.


How Often Should You Clean Pellet Grills?

You should clean pellet grills after every use to prevent grease build-up and ensure it cooks efficiently. Grilling on a dirty smoker leads to uneven heat and poor results.

What Happens if You Don't Clean Your Pellet Grill?

If you don't clean your pellet grill, grease buildup can cause fires, and debris can block the burn pot, leading to an uneven cooking temperature. Cooking on a dirty grill also produces poor-tasting meals and can affect the grill's lifespan.

Should You Remove Wood Pellets After Every Cook?

Yes, you should remove any remaining wood pellets after every cook to prevent moisture from building up and potentially clogging the auger. This will also help to keep your grill in good condition for its next use.


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About the author

Devon Ferguson
Senior Editor
Devon Ferguson is the senior editor at Carnivore Style who loves dining and traveling. This well-traveled meat hunter has scaled cities high and low to scout sources for the finest meats. He's tested and reviewed nearly every grill, smoker and meat delivery box on the market.
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