What happens if you don't sweep your chimney?

The frequency of chimney sweeping depends on several factors, including the type of fuel burned, the amount of use, and the condition of the chimney. As a general guideline:

1. Wood-burning chimneys: These should be swept at least once a year. If you use your fireplace frequently, you may need more frequent cleanings.

2. Gas and oil chimneys: These should be inspected annually, but they might not need cleaning as often as wood-burning chimneys.

3. Pellet stoves: These should be swept annually as well, as the pellets can leave behind residue that can block the chimney.

4. Coal chimneys: These typically need to be swept twice a year due to the high levels of soot they produce.

Regular chimney sweeping helps prevent the buildup of creosote, soot, and debris, reducing the risk of chimney fires and carbon monoxide poisoning. It's always a good idea to consult with a professional chimney sweep to determine the appropriate cleaning schedule based on your specific situation.