Chimneys should generally be serviced at least once a year, especially if you use your fireplace, stove, or heating appliance regularly. Annual servicing typically includes a professional sweep and inspection to remove soot, creosote, and debris that accumulate over time. These substances are flammable and can increase the risk of chimney fires if left unchecked. Even if you only use your fireplace occasionally, birds, leaves, and moisture can still cause blockages or deterioration, so yearly servicing is recommended. Homes that burn wood frequently, particularly hardwood, may require more frequent cleaning, sometimes every six months. Gas fireplaces also need inspection, although they usually produce less buildup. Regular servicing ensures proper ventilation, improves heating efficiency, and protects indoor air quality. It also allows professionals to detect early signs of damage, such as cracks or liner issues, which can be repaired before becoming costly problems. Following an annual service schedule helps maintain safety, efficiency, and the longevity of your chimney system.