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.
"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 Sunnyvale and surrounding communities.
Ask any HVAC technician in Sunnyvale what the most overlooked maintenance item is, and they’ll say the same thing: ductwork. While California homeowners diligently change filters and schedule annual tune-ups, the miles of ductwork connecting their system to their living spaces go untouched — sometimes for decades. D&D Chimney Cleaning specializes in the service that completes the picture: professional Chimney Repair that restores your entire system to peak performance.
Many Sunnyvale homeowners hesitate because of myths:
It’s not just about air quality. Dirty ductwork forces your HVAC system to work harder, increasing energy bills by 25-40%. In Sunnyvale, where warm, dry conditions drive heavy HVAC use during cooling season, that translates to hundreds of dollars wasted annually. Factor in premature system failure — a new HVAC unit costs $5,000-15,000 — and preventive Chimney Repair becomes one of the smartest investments a Sunnyvale homeowner can make.
If any of these sound familiar, your Sunnyvale home’s ductwork is overdue for professional attention.
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 Repair in Sunnyvale delivers measurable results that you can see and feel.
You’ll find cheaper options. You won’t find better ones. D&D Chimney Cleaning’s certified technicians, commercial equipment, documented results, and unconditional guarantee are unmatched in California. One call: (833) 339-6803.
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 Quote