Boulder’s wild temperature swings and frequent fireplace use mean your chimney needs attention more often than you might think. If it’s been over a year—or you notice these signs—it’s time to call David Anderson Chimney LLC for a free estimate before winter hits.
Boulder’s chimney sweep schedule: what the code says vs. what actually works
The National Fire Protection Association recommends sweeping when creosote buildup reaches 1/8 inch, but in Boulder’s climate—where we burn wetter wood and face sudden temperature drops—we see faster buildup. Wood-burning fireplaces need sweeping at least once per year, while gas inserts should be checked every two years. Skip this, and you risk hidden cracks, inefficient drafts, or even a chimney fire. Compare your system’s needs to see which rules apply to your setup.
Red flags Boulder homeowners miss (and how to spot them)
Before booking, check for these local warning signs: soot piles on the hearth, a musty smell in the living room (a sign of moisture seeping in), or smoke billowing back into the room when the fire’s lit. Even a slight whistling noise from the flue can mean blockages. Don’t wait for a cold snap—these issues worsen fast in Boulder’s unpredictable weather. See our checklist for step-by-step checks you can do today.