CSIA-certified technicians, same-day availability, flat-rate pricing. Trusted by thousands of San Marcos homeowners.
Built one San Marcos home at a time — honest pricing, expert techs, guaranteed results.
Gold standard certification — all our San Marcos techs hold current CSIA credentials.
Locally based — faster response, local knowledge, community reputation.
Flat-rate quote before we start. No upsells, no surprises in San Marcos, TX.
Frequently available same-day throughout San Marcos and surrounding areas.
$2M liability on every job. Your San Marcos 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 San Marcos 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 San Marcos.
Written inspection report. We flag everything — no fluff.
No hidden fees. No upsells. What you see is what you pay in San Marcos, TX.
"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 San Marcos and surrounding communities.
Your San Marcos, Texas home’s HVAC system processes over one million cubic feet of air every day. That air passes through your ductwork — picking up and redistributing every contaminant that’s settled inside. In a varied climate where brutal summer heat above 100°F demand constant heating and cooling, the contamination accumulates faster than most San Marcos homeowners realize. D&D Chimney Cleaning’s professional Chimney Repair eliminates this invisible threat.
The EPA ranks indoor air pollution among the top 5 environmental health risks. In San Marcos, Texas, common duct contaminants include mold spores that trigger severe respiratory reactions, dust mites that cause year-round allergies, volatile organic compounds off-gassing from household products, pollen and outdoor allergens pulled inside through your HVAC intake, and pet dander that embeds in duct linings. Your family breathes this recirculated air for up to 22 hours daily.
For most San Marcos homes, we recommend professional Chimney Repair every 3-5 years. However, Texas’s varied conditions can accelerate the timeline. Schedule more frequently if your household has multiple pets, recent renovations, smokers, allergy sufferers, or elderly family members. The best time to schedule? Before San Marcos’s summer season, when brutal summer heat above 100°F demand peak HVAC performance.
It’s not just about air quality. Dirty ductwork forces your HVAC system to work harder, increasing energy bills by 25-40%. In San Marcos, where brutal summer heat above 100°F drive heavy HVAC use during summer, 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 San Marcos homeowner can make.
San Marcos’s varied climate creates specific conditions that accelerate duct contamination:
D&D Chimney Cleaning maintains local crews serving San Marcos and surrounding Texas areas. Most appointments can be scheduled within 48 hours, with emergency service available for urgent situations. We work around your schedule — mornings, afternoons, weekends. Getting professional Chimney Repair shouldn’t require rearranging your life. Call (833) 339-6803 to find available times this week.
Don’t wait for symptoms to appear. Proactive Chimney Repair in San Marcos 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 Quote