Why your pellet grill's heat rises and falls
A pellet grill never holds one flat temperature. This site explains how the feed, fire pot, controller, weather and lid shape the up-and-down, and how to tell normal drift from a problem.
All the explainers
- Why a pellet grill's temperature swings up and down
Some drift around the set temperature is normal on a pellet grill. Here's why it happens, how big it can get, and when it points to a problem.
- How the auger, fire pot and fan make heat
What happens inside a pellet grill when the controller adds pellets, and why feeding in bursts creates the heat cycles you see on the display.
- How the controller and temperature sensor decide when to feed
How a pellet grill's sensor and controller work together, and why the display can show a different number than your own thermometer.
- Ash in the fire pot and how it changes heat
How ash from poor pellets or missed cleaning can upset a pellet grill's heat, what the makers' pages say, and why your own manual sets the cleaning steps.
- Wind, cold and rain: how weather moves the temperature
Why a pellet grill can struggle in cold or wind, what makers say about weather, and what a grill's controller can and can't do about it.
- Opening the lid and how long heat takes to recover
What happens to a pellet grill's temperature when you lift the lid, why it can overshoot afterward, and how long makers say it takes to settle.
- Feed problems: jams, gaps and uneven pellets
Why a pellet grill's fire can drop low or go out mid-cook, and what makers say about pellet quality, ash and the feed path.
- When swings point to a fault: sensor, fan or igniter
How to tell normal pellet grill drift from a part problem, which signs point to the sensor, fan, igniter or baffle, and when to contact the maker.