CSIA-certified technicians, same-day availability, flat-rate pricing. Trusted by thousands of Onyx homeowners.
Built one Onyx home at a time — honest pricing, expert techs, guaranteed results.
Gold standard certification — all our Onyx techs hold current CSIA credentials.
Locally based — faster response, local knowledge, community reputation.
Flat-rate quote before we start. No upsells, no surprises in Onyx, CA.
Frequently available same-day throughout Onyx and surrounding areas.
$2M liability on every job. Your Onyx 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 Onyx 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 Onyx.
Written inspection report. We flag everything — no fluff.
No hidden fees. No upsells. What you see is what you pay in Onyx, CA.
"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 Onyx and surrounding communities.
Whether you’ve just moved to Onyx or you’ve lived here for decades, there’s one thing every California homeowner should know: your chimney flue is collecting and distributing contaminants every time your HVAC system runs. In Onyx’s dry-summer coastal climate, where warm, dry conditions keep your system running for extended periods, the accumulation is accelerated. D&D Chimney Cleaning provides the professional Chimney Sweep that resets your indoor air quality to where it should be.
Onyx’s dry-summer coastal climate creates specific conditions that accelerate duct contamination:
If you tried duct cleaning years ago and weren’t impressed, the industry has evolved dramatically. D&D Chimney Cleaning uses truck-mounted vacuum systems generating 15,000+ CFM of negative pressure — that’s 200 times stronger than a household vacuum. Combined with robotic camera inspection, pneumatic agitation tools, and EPA-registered sanitizers, modern Chimney Sweep in Onyx delivers measurable results that you can see and feel.
Open one of your vent registers and look inside. That dark coating is years of accumulated dust, dead skin cells, pet dander, pollen, mold spores, and worse. Now multiply that by every linear foot of chimney flue — typically 100-300 feet for an average Onyx residence. Your HVAC pushes air through all of it every single day. In California’s dry-summer coastal conditions where wildfire smoke and seasonal allergens is ongoing, this buildup is more aggressive than in milder climates.
Clean ducts mean efficient HVAC, and efficient HVAC means lower utility bills. It’s that simple. For Onyx homeowners dealing with warm, dry conditions during cooling season, energy costs are already a major expense. Adding 25-40% to those costs because of contaminated chimney flue is money burned for nothing. D&D Chimney Cleaning’s professional Chimney Sweep removes the contamination that causes this waste — typically paying for itself within one or two billing cycles.
D&D Chimney Cleaning believes every Onyx family deserves clean indoor air regardless of budget. We offer competitive pricing, seasonal promotions, and flexible payment options for California homeowners. Our goal is making professional Chimney Sweep accessible — not creating financial stress. Contact us for current offers available in the Onyx area: (833) 339-6803.
Clean air starts with one phone call. D&D Chimney Cleaning serves Onyx and all California with the professionalism, transparency, and results your family deserves. Don’t settle for less. (833) 339-6803 — we’re ready when you are.
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