How to Use a Drum Smoker | First Fire, Heat Control & Cook Times

A drum smoker—often shortened to UDS for ugly drum smoker—is about as simple as barbecue gets. A charcoal basket sits low, meat hangs or sits on grates above it, and the tall steel barrel turns every square inch into even, radiant heat. Nearly all the temperature control happens with two or three small intake vents near the bottom and one exhaust vent on top. The learning curve is short, but a few habits separate great results from bitter, uneven cooks.

These instructions apply to vertical drum cookers from Gateway, Oklahoma Joe’s, HPC Fire Pits, and similar 20-inch models. The steps below follow the official manuals from those brands.

Setting Up and Seasoning a New Drum Smoker

Seasoning a new drum smoker burns off manufacturing oils and creates the protective layer that helps food release later. Leave the lid off with the intake flappers fully open for about 15 minutes. Once the coals are catching, put the lid on and adjust the intakes down toward your target temperature.

The HPC Fire Pits instructions follow the same logic: fill the charcoal bucket with briquettes or lump charcoal, add wood chunks or chips, ignite a fire starter, and open the inlet and outlet vents fully to start. Once the charcoal is clearly ignited, adjust the vents to hold heat.

Two setup rules matter on any model:

• Place the smoker outdoors on a level, stable surface away from flammable materials, structures, and combustible surfaces. A fire-resistant mat adds protection.
• Always follow your specific model’s fire-starting method. The Gateway arrives with paraffin cube guidance; the Home Depot 20-inch manual says to light the charcoal with the lid open before closing the door. Do not assume one fuel or starter method works across every brand.

Controlling Temperature and Smoke

Keep the exhaust or top vent fully open during a cook. Temperature is controlled almost entirely with the intake vents near the bottom—more air in means more heat, less air means less heat.

While the drum holds heat well, it does not stay at a set number by itself. Plan to check the vents every 30 to 45 minutes, especially during the first hour after adding food, while the cooker is still settling.

Three control habits keep a drum steady:

• Resist opening the lid. Every lift dumps heat and lengthens the cook. Check food with the vents and a thermometer instead.
• Rake or clear the vents of ash during long cooks, since blocked airflow stalls temperature.
• Aim for thin blue smoke, not thick white billows. Heavy white smoke comes from incomplete combustion and leaves a bitter, acrid film on the meat.

Many modern guides also skip lighter fluid entirely, preferring a chimney starter or paraffin cubes for a cleaner burn.

Smoking Times, Temperature, and Doneness

Cook time depends on the cut, not the cooker. A meat thermometer is the only reliable check.

Most cuts only need you to manage the fire, not babysit it minute to minute. Once the cooker holds its first steady temperature, add the meat, close the lid, and let the drum do the work.

Buying Your First Drum Smoker

Once you are ready to buy, a quality drum makes temperature control much easier than a cheap one. Before you commit, compare features like grate space, fire-box access, and seasoning instructions—our tested roundup of the best drum smokers breaks down the top models side by side.