CSIA-certified technicians, same-day availability, flat-rate pricing. Trusted by thousands of Sunnyvale homeowners.
Built one Sunnyvale home at a time — honest pricing, expert techs, guaranteed results.
Gold standard certification — all our Sunnyvale techs hold current CSIA credentials.
Locally based — faster response, local knowledge, community reputation.
Flat-rate quote before we start. No upsells, no surprises in Sunnyvale, CA.
Frequently available same-day throughout Sunnyvale and surrounding areas.
$2M liability on every job. Your Sunnyvale 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 Sunnyvale 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 Sunnyvale.
Written inspection report. We flag everything — no fluff.
No hidden fees. No upsells. What you see is what you pay in Sunnyvale, CA.
"Called them on a Monday — same-day by 2pm. Thorough, clean, honest. Will use again."
"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."
Locally based — fast response throughout Sunnyvale and surrounding communities.
Every Sunnyvale home tells a different story through its chimney flue. Ranch-style homes, two-story colonials, split-levels, modern builds — D&D Chimney Cleaning has cleaned them all across California. What we consistently find in Sunnyvale’s dry-summer coastal climate is that duct contamination is both more common and more severe than homeowners expect. The good news? Professional Chimney Cleaning solves it in a single visit, with results you’ll feel immediately.
California’s dry-summer coastal climate creates distinct seasonal duct challenges for Sunnyvale homeowners. During cooling season, when warm, dry conditions drive constant HVAC operation, contamination circulates at peak rates. Transition seasons bring pollen surges. Winter heating can bake accumulated dust into hard-to-remove deposits. Summer cooling creates condensation that feeds biological growth. Every season adds another layer — which is why Sunnyvale homes benefit from professional Chimney Cleaning at least every 3-5 years.
A common misconception among Sunnyvale 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 California’s dry-summer coastal climate where wildfire smoke and seasonal allergens adds constant new contaminants, your filter is fighting a losing battle without professional backup.
According to NADCA, the average six-room home generates 40 pounds of dust per year. The EPA estimates Americans spend 90% of their time indoors. For Sunnyvale families, that means breathing recirculated air that passes through contaminated ducts thousands of times. In California’s dry-summer coastal climate, moisture and temperature conditions accelerate contaminant buildup significantly compared to other regions.
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 Cleaning in Sunnyvale delivers measurable results that you can see and feel.
Don’t wait for symptoms to appear. Proactive Chimney Cleaning in Sunnyvale protects your family’s health, reduces energy costs, and extends your HVAC lifespan. Call D&D Chimney Cleaning at (833) 339-6803 — free estimates, same-week availability, satisfaction guaranteed.
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