CSIA-certified technicians, same-day availability, flat-rate pricing. Trusted by thousands of Thornton homeowners.
Built one Thornton home at a time — honest pricing, expert techs, guaranteed results.
Gold standard certification — all our Thornton techs hold current CSIA credentials.
Locally based — faster response, local knowledge, community reputation.
Flat-rate quote before we start. No upsells, no surprises in Thornton, CO.
Frequently available same-day throughout Thornton and surrounding areas.
$2M liability on every job. Your Thornton home is protected from arrival.
100% satisfaction or we come back and make it right. No questions asked.
Full creosote removal, debris clearing & safety inspection.
Level 1, 2 & 3 inspections. Video scanning available.
Cracked firebox, damaged mortar, broken damper — fixed.
Custom-fit stainless steel cap — protection from rain & pests.
Stop moisture damage before it ruins your masonry.
Clogged vent = fire hazard. We clear & inspect completely.
Simple, fast, professional. Most Thornton jobs done in 60–90 minutes.
Call (833) 339-6803 — slot confirmed in under 2 minutes.
Flat-rate price before any work. No pressure, no surprises.
Fully equipped truck, drop cloths, zero mess left in Thornton.
Written inspection report. We flag everything — no fluff.
No hidden fees. No upsells. What you see is what you pay in Thornton, CO.
"Finally found a chimney company that doesn't upsell a $3,000 job on a chimney that just needed a sweep."
"Swept and inspected before Thanksgiving. Found a cracked flue tile, fixed it on the spot."
"On time, fast, cleaned up completely. Price matched the quote exactly."
Locally based — fast response throughout Thornton and surrounding communities.
For Thornton, Colorado homeowners dealing with altitude-related dry air and dust, indoor air quality isn’t just a comfort issue — it’s a health priority. The EPA consistently ranks indoor air pollution among America’s top five environmental health risks, and Thornton’s semi-arid mountain climate makes the situation more urgent. D&D Chimney Cleaning provides professional Fireplace Repair that addresses the root cause: contaminated chimney flue that recirculates pollutants through your home thousands of times.
After inspecting thousands of systems across Colorado, technicians consistently find: up to 40 pounds of accumulated dust per home, active mold colonies (especially in Thornton’s semi-arid mountain climate), rodent and insect debris in over 30% of homes, construction material residues up to 15 years after renovation, and significant airflow restrictions costing 25-40% in excess energy. These aren’t rare cases — they’re the norm in homes that haven’t had professional Fireplace Repair.
Thornton’s semi-arid mountain climate creates specific conditions that accelerate duct contamination:
A common misconception among Thornton homeowners: “I change my filter regularly, so my ducts are clean.” The reality? Standard filters capture only 10-15% of airborne particles. The rest settles in your chimney flue — building up layer after layer with every HVAC cycle. In Colorado’s semi-arid mountain climate where altitude-related dry air and dust adds constant new contaminants, your filter is fighting a losing battle without professional backup.
D&D Chimney Cleaning has built its reputation one home at a time. Our reviews speak for themselves — and so do the before-and-after photos from every Thornton job. Call (833) 339-6803 to see why Thornton residents trust D&D Chimney Cleaning.
Same-day availability. CSIA-certified technicians. Flat-rate pricing. No surprises.
(833) 339-6803 Available 7 days a week · Same-day slots available 📞 Call Now — Free QuoteFast response · No obligation · CSIA Certified