What can be a consequence of neglecting regular chimney maintenance?

Neglecting regular chimney maintenance can lead to both higher heating bills and an increased risk of chimney fires, making the correct answer a combination of these two consequences.

When a chimney is not maintained properly, it can become obstructed by soot, creosote, or other debris. This blockage disrupts the flow of smoke and can lead to inefficient combustion in the fireplace or heating system. As a result, more fuel may be used to achieve the same level of heat, thereby raising heating bills.

Furthermore, the accumulation of flammable materials like creosote poses a significant fire hazard. If this buildup is not removed through regular cleaning, it can ignite and lead to chimney fires, which can be extremely dangerous and result in property damage or even loss of life.

Therefore, consistent chimney maintenance is essential not only for efficient operation but also for safety, preventing both increased costs and the risk of fires.