
Why Does My Heater Smell Like It’s Burning When I First Turn It On?
How To Handle A Heater Burning Smell From Your Heating System That heater burning smell on the first cold night in New Braunfels is almost always dust burning off the heat exchanger. It clears on its own as the system runs. What matters is knowing the three cases where it does not clear, because those are the ones worth a phone call. Key Points What Causes A Heater Burning Smell When You First Turn It On? After months of sitting idle, dust settles on the heat exchanger and the other components. The first time the heater runs, that dust burns off, and you get the smell. It is usually harmless, and it should fade as the heater keeps running. If the smell lingers well past startup, something other than dust is burning. If you cannot tell which one you are dealing with, ask. Thayer Air Conditioning is family owned and


