How a pellet stove actually works

You fill the hopper in the morning, set the temperature you want, and get on with your day. That is most of what owning a pellet stove feels like. But if you are about to put one in your home, it is worth knowing what actually happens inside the box — because the way it works is exactly why it is so easy to live with.

Here is the path the wood pellets take, from the bag to warm air in your living room.

From the hopper to the fire

The hopper is the storage bin built into the top of the stove. You tear open a bag of wood pellets, pour it in, and close the lid. That is the only manual step — from there, the hopper feeds the pellets automatically. Below the hopper sit the twin feed screws — slow-turning steel augers that carry the fuel downward, a little at a time.

This is the part that changes the daily routine compared to wood. You never feed the fire yourself. Every few seconds, the feed screws drop a measured dose of fuel into the burn pot, and the stove decides how big that dose should be.

A small, intense fire

The burn pot is a small steel cup with holes for air. At startup, an electric igniter glows until the first fuel catches, and a fan pulls in exactly the air the fire needs — no more, no less. Because both the fuel and the airflow are metered, it burns almost completely. On models like the 8KW Pellet Stove, that adds up to 95% efficiency — meaning nearly all the heat in the fuel ends up in your house instead of the chimney.

The fire itself stays small and contained behind the glass. You see it, but you never poke it.

Turning fire into heat you can feel

The hot gases from the burn pot do not rush straight up the flue. First they pass through a heat exchanger — a set of metal channels — while a second fan pushes room air across the hot side and sends it out warm into the room. By the time the smoke leaves the house, most of its heat has stayed with you.

On the 8KW stove, that warm air covers 40–100 m², and one full hopper burns for 10–14 hours. Hydro models do the same trick with water instead of air, feeding the radiators around the house — which is what makes pellet heating workable in larger homes, not just single rooms.

The thermostat does the thinking

You set the temperature you want — say 22 degrees — and the control board takes it from there. It speeds the feed screws up when the room is cold and slows them to a quiet idle once the room is warm, adjusting the fans to match. You do not tend the fire; the stove does. On supported models, a Wi-Fi app lets you do the same from your phone before you get home.

This metering is also where the savings come from. The stove only burns what the room actually asks for, hour by hour — which is how heating on pellets costs up to 70% less than diesel.

The honest part: it needs electricity

The feed motor, the igniter, the fans, and the control board all run on electricity. No power means no stove — it shuts down safely, but it will not heat until the current is back. In Lebanon, that is worth planning for before winter, not during it.

One practical note: pellet stoves need electricity for the igniter, the feed and the fan. With Lebanon’s power cuts, plan the stove onto your UPS or generator line before winter — the draw is modest, and you can message us to size the backup for your model.

Once you know how it works, choosing one gets simpler, because it mostly comes down to the size of the space you are heating. Answer a few questions in the fit finder and it will point you to the right model for your home.