How to Regulate Temperature in a Charcoal Grill

How to Regulate Temperature in a Charcoal Grill

Dec 11, 2020Bearded Butcher Blend Seasoning Co.

Since the very first time someone threw meat over a fire, regulating the temperature has been vital to proper cooking. Once you master the proper technique to maintain a specific temperature in your grill, you'll be able to perfectly cook any type of meat. In this article, we'll explain the components of a charcoal grill or smoker that allow the cook to get to the correct temperature and keep the temp there.

There are a few items that are super-handy. First and foremost, you'll need an accurate, high-quality grill thermometer. Invest a little in a dual-probe grill thermometer that allows you to measure the temperature inside the grill and the internal temperature of your meat simultaneously. An instant-read thermometer is also a great tool to have nearby. We like them so much, we branded our own and it has a lifetime warranty.

Components of a Charcoal Grill

We are going to start out by explaining the various parts common to most charcoal grills and their basic functions. It's important to make sure you maintain your charcoal grill in order to get good results. You should replace rusty nuts and bolts, stuck vents, and disintegrated grates. The first step to correctly regulating the temperature of a grill is to make sure everything is in good working order.

The Basic Anatomy of a Charcoal Grill

Grills come in lots of different shapes and sizes. All charcoal grills have several, similar parts, regardless of brand, shape, or design. A charcoal grill will have a base with a vent at the bottom. A metal grate sits above the vent and holds charcoal. At the top of the base a cooking grill rests on some type of retainer so that it can be lifted out. The charcoal grill is completed by a lid with another vent and a handle of some sort.

A charcoal grill seems like a simple piece of equipment to use, and cooking with charcoal can be easy. Using a charcoal grill correctly, though, is a little more complex. Getting the perfect temperature is a skill anyone can learn, and it lets you use your grill to the fullest of its potential.

Lighting your Charcoal

One of the keys to getting the right temperature on your grill is getting it hot without wasting coals. A tool that comes in handy is a charcoal starter, or a charcoal chimney. This is basically a metal cylinder you use to start charcoal burning. When you add the coals to your grill, they will already be hot, so you won't waste time waiting. A charcoal starter can also be used like a measuring cup to get the right amount of unlit coals, and they work great for keeping coals ready to add to your grill when necessary.

We understand that many people use easy-light charcoal briquettes. Those are fine, but there are some better choices out there that will improve your grilling experience. What we recommend to our friends is charcoal wood chunks from Rockwood Charcoal. They offer lump charcoal in different types of hardwood that will give you superior flavor, excellent burn longevity, and won't put off toxic fumes. Using a good charcoal is vital to getting and maintaining the perfect grill temperature.

How to Control the Temperature

Every type of meat cooks best within a certain temperature range. Too hot, and the meat cooks too fast and dries out. Too cool, and the internal temperature never gets high enough while the exterior becomes tough. Getting the perfect balance is easy to do once you understand how the vents operate.

The Intake Damper

The intake vent allows air into your grill through the bottom. Once you have your coals going, the heat will draw oxygen up through the bottom of the grill. With the damper open all the way, more air will enter and you'll have a hotter fire. If you have the intake damper open too far, too much air will enter and your coals will get too hot. This is how you burn food without cooking it, and it's also how you go through lots of charcoal quickly. If the intake damper is closed too much, your coals will be snuffed out and you won't be able to heat your grill.

The Exhaust Damper

The top vent is the exhaust damper. This is used to regulate temperatures by allowing heat to escape. Keeping the vent open allows heat and smoke to be regulated. If the exhaust vent is closed too much, it can create too much smoke and smother the coals. The proper techniques for setting your exhaust damper will depend on the amount of smoke flavor you want and how well you regulate your lower damper.

Using Both Dampers for Proper Temperature Control

When you start your grill, place the lit coals and spread them evenly on the grate for a single-zone fire. Leave the exhaust damper open and close the lid. You will need to know what type of meat you are cooking to determine the best temperature and techniques. Thicker and tougher pieces of meat, such as tri-tip, will require a low and slow cooking process. Something like boneless skinless chicken breast or fish need to be cooked fairly quickly to prevent drying out. High-fat meats, like ribeye steaks should be cooked over a medium-high heat, but relatively quickly.

Heating Up and Cooling Down a Charcoal Grill

By opening and closing the bottom damper, you can increase or reduce the heat by limiting the oxygen. You want to have the heat at a stable temperature for a few minutes to make sure it's right before placing your meat on the grill. When grilling a steak, you'll want a constant temperature of 325 to 500 degrees, depending on the thickness of the steak.

You can use the upper and lower vents of the charcoal grill to get a consistent, low temperature for smoking. Smoking correctly on a charcoal grill does require a few advanced tricks, but anyone can learn to get that great smoke flavor on a charcoal grill.

Advanced Techniques for the Grill Master

Once you have mastered how to control the heat in your grill, you may want to experiment with other ways to maintain the perfect temperature to cook different types of meat. One of the best ways to regulate heat on a charcoal grill is using the two-zone techniques.

This is the ideal way of controlling heat across your grill to control how quickly an item is cooking. The idea is pretty simple: when you spread coals in your grill, start with one layer, then add a second layer at one side. The larger area of coals will burn hotter, letting you sear meat because it's close to the source. A two-zone fire is ideal for controlling the cooking speed of different types of proteins, too. You can cook on the direct heat part, then move to the indirect heat part to prevent overcooking.

The same process can be used to make a three-zone fire, with one area left free of coals. While you'll certainly need a larger charcoal grill to create a three-zone environment, it'll also give you an array of versatile temperatures to get veggies perfect at the same time as delicate meats and tougher proteins.

A really slick trick advanced grill masters use to control temperatures on a charcoal grill to smoke meats involves the use of an water pan. A water pan helps to keep the air temperature consistent. When you are targeting a low temperature of 225 degrees for smoking, you can place a pan of water directly over the coals or indirectly. The temperature of the water will never exceed boiling, so you won't be steaming your meat, but the slight evaporative cooling effect will help to keep temps from climbing.

Opportunities are Endless with Charcoal

You'll probably need to experiment with your grill to get just the perfect temperature. Learning to get charcoal grills to maintain heat is a skill you'll want to gain. A good charcoal grill is the most versatile cooking instrument out there. You can sear, grill, char, smoke, and everything in between when you know the right way to maintain a charcoal grill.




The Bearded Butchers are dedicated to providing as much information as we possibly can to help you understand how to best process and prepare meats of all kinds. To help you, we maintain a blog and Youtube channel with lots of free, high-quality information. The Bearded Butchers and are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to This means that The Bearded Butchers may receive a commission if you click on a link above and make a purchase on

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