Air Duct Cleaning San Antonio
Who cleans air ducts in San Antonio?
Honeycomb Heating & Cooling (TACLA140435E) cleans supply and return ductwork across San Antonio from pre-2000 King William and Monte Vista homes with original flex duct to Medical Center corridor condos. Cedar fever season (December–February) deposits mountain cedar pollen inside ductwork faster than any other US metro. Transparent cleaning rates from $285–$700. Call (726) 233-6044.

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REPAIR | INSTALLATION | TUNE-UP: We’ll provide the facts, then you pick the fix that fits your budget.

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Air Duct Cleaning, Sanitizing & Sealing for San Antonio Homes
San Antonio ranks among the worst cities in the US for mountain cedar pollen and cedar fever season (December through February) doesn’t just affect sinuses. Airborne Juniperus ashei particles are fine enough to pass through standard 1-inch filters and coat the interior surfaces of supply and return ductwork with a sticky resinous layer that accumulates year over year. Homes with original flex duct installed before 2000 common in King William, Monte Vista, Mahncke Park, and properties near the Medical Center have ductwork that has never been cleaned in 20+ years of San Antonio cedar seasons.
The second driver is summer humidity: San Antonio averages 65–70% relative humidity from June through September. When warm, humid air contacts duct surfaces cooled by active AC, condensation forms on dirty flex duct liner creating the moisture conditions for mold and mildew growth that circulates through the home every time the system runs. Honeycomb’s licensed team (TACLA140435E) provides full supply and return duct cleaning, antimicrobial sanitizing, and MERV filter upgrades. We provide a transparent written quote based on the situation before any work begins..
$285–$700
Duct Cleaning
$400–$6,500
Duct Repair and Replacement
How Our Air Duct Cleaning Process Works
Here’s what happens from your first call to a verified-clean system — including the pre-inspection step that prevents damage to aging flex duct.
1. You Call — Same-Day Response
Call (726) 233-6044. Alejandra Sotelo or our dispatch team answers directly not a call center. We’ll ask about your home’s age, whether you’ve had duct cleaning before, and any symptoms: cedar fever-season sinus flareups indoors, musty odors when the AC kicks on, or CPS Energy bills that have climbed despite no rate change. Most appointments within 1–2 business days, same-day when available.
2. Pre-Inspection Before Any Cleaning Pressure
For San Antonio homes built before 2000, we visually inspect accessible flex duct before connecting any cleaning equipment. Original flex duct liner degrades over 20+ years of San Antonio’s extreme heat cycling inner liner can separate from the outer shell. Applying cleaning vacuum pressure to already-compromised flex duct can cause collapse. We identify weak sections first, photograph them, and quote any necessary repair before cleaning begins.
3. Full Supply & Return Cleaning — Transparent Quote
You receive a transparent written quote covering all supply vents, return air grilles, and the main trunk line. Most San Antonio homes run $285–$700 for a complete cleaning. We present the price before connecting a single piece of equipment you approve or we leave, no charge for the inspection. No hourly billing, no surprise scope additions.
4. Antimicrobial Sanitizing — Cedar Residue & Mold Treatment
Standard duct cleaning removes physical debris. For San Antonio homes affected by cedar fever season accumulation or summer humidity-driven mold, we apply an EPA-registered antimicrobial treatment to supply duct interior surfaces after cleaning. This addresses the sticky resinous cedar pollen residue that persists after vacuuming and treats any biological growth on duct liner surfaces. We photograph treated areas before and after.
5. Airflow Verification & Service Report
After cleaning, we test airflow at a sample of registers to confirm improved delivery and document results with before/after photos. You receive a full written service report. Comfy Club members get ductwork inspected at every bi-annual tune-up critical for catching new flex duct degradation before it becomes a full replacement. Honeycomb’s warranty covers all cleaning work completed.

Don’t Ignore The Warning Signs
How to Know Your San Antonio Home Needs Duct Cleaning
Cedar Fever Symptoms That Worsen Indoors
— Mountain cedar pollen season runs December through February in San Antonio. If your allergy and respiratory symptoms are worse inside your home than outside during this period, your ductwork may be circulating contaminated air. Juniperus ashei pollen is fine enough to penetrate 1-inch filters and accumulate inside supply ducts for years. Symptoms include headaches, eye irritation, and nasal congestion that improve when you leave the house.
CPS Energy Bills Rising Without a Rate Change
Dirty or partially collapsed duct runs reduce airflow efficiency, forcing your system to run longer cycles to deliver the same cooling. A 20% reduction in duct airflow from debris accumulation can increase runtime by 30–40%, showing up directly on your CPS Energy bill. San Antonio homes built before 2000 particularly in zip codes 78204, 78212, 78215, and 78229 are most vulnerable.
Musty or Stale Odors When the AC Runs
San Antonio’s 65–70% average summer humidity creates condensation on dirty duct liner surfaces when cooled air contacts warm humid areas of the duct run. Mold and mildew growth on interior duct surfaces produces odors that circulate through the home every time the blower runs. Odors that intensify when the AC first kicks on are the most reliable indicator of biological growth inside ductwork.
Visible Debris at Supply Registers
Dark dust rings around supply vent covers, or visible debris being expelled when the system starts, indicate that accumulated material is loose inside the ductwork and circulating into living spaces. In San Antonio homes near heavy cedar growth particularly properties near the San Antonio River, San Pedro Creek, and Brackenridge Park this accumulation is accelerated during the December–February cedar season.
Affordable Pricing. Experienced Team.
Why San Antonio Homeowners Choose Honeycomb for Air Duct Cleaning
Cedar Fever Season Expertise — Built Into Every Cleaning
Most HVAC companies treat duct cleaning as a generic service. Honeycomb’s San Antonio team understands that December–February cleaning is different from off-season cleaning mountain cedar pollen leaves a resinous residue on duct liner that requires antimicrobial treatment, not just vacuuming. Aaron Botts, our primary duct cleaning technician, has completed 100+ San Antonio duct cleanings and knows which neighborhoods see the heaviest cedar pollen loads.
Transparent Prices Across All Three Services — No Hourly Surprises
Air duct cleaning runs $285–$700. Duct repair and replacement services range from $400 to $6,500 depending on the size of your home and system complexity. You get a transparent written quote after inspection and before any work begins. The price you approve is the price on your invoice. No hourly billing, no surprise scope additions, no charge if you decline.
Pre-2000 Flex Duct Inspection Before Cleaning Pressure
In San Antonio’s pre-2000 inner-city homes King William, Monte Vista, Mahncke Park, Medical Center original flex duct liner degrades over decades of Texas heat cycling. We inspect structural duct integrity before applying vacuum cleaning pressure. This protects your ductwork from collapse damage during cleaning. If sections are compromised, we quote replacement separately with your approval before proceeding.
Licensed, Insured & Locally Owned — Not a Franchise
Texas HVAC License TACLA140435E. Full liability insurance. Omar Castilleja, our license holder, brings 27 years of San Antonio HVAC experience and EPA 608 certification. Brandon Caputo founded Honeycomb specifically because San Antonio homeowners needed a contractor they could trust with transparent pricing not a national franchise. BBB Accredited, A-Rated. Recognized by MySanAntonio as one of the Best HVAC Companies in San Antonio.
Permit-Ready for Full Replacements
Full duct replacement requires a mechanical permit in San Antonio. Honeycomb handles all permitting under License TACLA140435E and coordinates required inspections with the City of San Antonio Development Services Department you don’t have to manage any of it.

Credentials You Can Verify
- Texas License TACLA140435E
- EPA 608 Certified (Omar Castilleja)
- A-Rated BBB Accredited
- Background-Checked Technicians
- Photo-Documented Every Job
- Before/After Airflow Testing
- Honeycomb Workmanship Warranty
- Hablamos Español

When to Schedule Duct Cleaning in San Antonio
San Antonio’s cedar fever season (December–February) and summer humidity window (June–September) create two peak duct contamination events each year. Here’s how to time your cleaning for maximum benefit:
March — The Optimal Window. Schedule duct cleaning in March, after mountain cedar pollen season ends and before summer humidity arrives. Cedar deposits from the December–February season are still fresh and easier to remove before they bake onto duct liner surfaces through the summer. San Antonio’s HVAC calendar fills fast in April–May; March appointments are available within 1–2 days.
December — Before Cedar Season. A cleaning just before cedar fever season begins (early December) gives your ductwork a clean baseline before the worst pollen months. Homes with allergy sufferers benefit most from this timing the December clean removes summer debris before cedar pollen has a chance to bond to existing buildup.
Post-Renovation Anytime. San Antonio’s inner-city neighborhoods King William Historic District, Mahncke Park, Beacon Hill are in active renovation cycles. Construction generates drywall dust, insulation particles, and debris that enters duct systems through unsealed registers during work. Schedule a cleaning within 60 days of any renovation project that disturbed walls, ceilings, or attic spaces.
Honeycomb’s duct cleaning service covers all of San Antonio north side, south side, east side, west side, and all inner-city neighborhoods. Same-day available if not fully booked. Most appointments within 1–2 business days. Starting at $285 call (726) 233-6044 for a same-day quote based on your home size.
Deals & Specials
Free Nuve Thermostat with Install
Control your home temperature from anywhere. Can’t be combined with other offers.
Get a Free Air Scrubber with Install
Enjoy fresher air throughout your entire home! Can’t be combined with other offers.
Zero Interest with No Monthly Payment
Call for more details. Can’t be combined with other offers.
What Our Customers Say
Reasonable price · $700–800
Aaron did a wonderful job cleaning our AC unit/system and ductwork and gave me piece of mind that there was no growth.
Aaron did a great job with our duct work repair. Would definitely recommend!
Reasonable price · $700–800
Aaron came out quickly, he was polite and courteous completing the work quickly and efficiently. Had my ducts treated for odors.
San Antonio Neighborhoods We Serve
Duct issues are especially common in San Antonio homes built before 2000 particularly in older neighborhoods where original flex duct systems are overdue for inspection. Honeycomb cleans and replaces ductwork across all of San Antonio, TX.
Full San Antonio Coverage — Every Neighborhood, Every Zip Code
Don’t see your neighborhood listed? We still serve it — call (726) 233-6044 to confirm same-day availability.
North San Antonio
- Stone Oak
- Dominion
- Far North Central
- Timberwood Park
- Bulverde
East & Northeast
- Live Oak
- Converse
- Universal City
- Northeast SA
- Schertz
West & Northwest
- Leon Valley
- Braun Station
- Far West Side
- Alamo Ranch
- Helotes
South San Antonio
- South SA
- Southeast SA
- Terrell Hills
- Thousand Oaks
- West SA
Downtown & Inner City
- King William
- Southtown
- Midtown
- Downtown SA
- Medical Center

Permits for Duct Work in San Antonio
Standard duct cleaning and repair work generally does not require a permit in San Antonio. Full duct replacement typically requires a mechanical permit, processed through the City of San Antonio Development Services Department. Honeycomb handles all permitting under License TACLA140435E and coordinates required inspections you don’t manage any of it.
Source: City of San Antonio Development Services · Texas TDLR (TACL licensing)
Air Duct Cleaning FAQ — San Antonio, TX
Does cedar fever season actually contaminate my ductwork in San Antonio?
Yes, more than most homeowners realize. San Antonio’s mountain cedar (Juniperus ashei) pollen season runs December through February and consistently ranks among the worst in the US for pollen concentration. Juniperus ashei particles are fine enough to pass through standard 1-inch MERV 4 filters the type installed in most San Antonio homes built before 2010. These particles enter the return air side of your system and coat the interior surfaces of supply ductwork with a sticky resinous layer. Homes that haven’t had ductwork cleaned in 3–5 years in San Antonio have experienced multiple cedar seasons of accumulation. Honeycomb recommends scheduling duct cleaning in March after cedar season ends for the most effective removal of seasonal deposits.
How much does duct cleaning cost in San Antonio?
Duct cleaning in San Antonio runs $285–$700 depending on home size, number of vents, and level of contamination. Honeycomb provides transparent quotes before starting the price you approve is the price you pay. Most 1,500–2,500 sq ft San Antonio homes fall in the $285–$450 range. Homes over 3,000 sq ft or with extensive cedar pollen contamination requiring antimicrobial treatment run higher in that range. Call (726) 233-6044. for a same-day estimate. Comfy Club members receive priority scheduling and 15% off all services.
How do I know if my San Antonio home needs duct cleaning?
Four key indicators specific to San Antonio homes: cedar fever symptoms (sinus and respiratory irritation) that are worse indoors than outdoors during December–February; a musty or stale odor when the AC first kicks on in spring a sign of mold growth on duct surfaces from summer humidity; CPS Energy bills rising 15–20% without a rate change, suggesting reduced duct airflow efficiency; or dark debris rings visible around supply vent covers. Homes built before 2000 in King William, Medical Center, and Monte Vista with original flex duct that has never been cleaned are the highest priority.
How long does duct cleaning take in a San Antonio home?
Most residential duct cleaning jobs in San Antonio take 3–5 hours depending on home size and system complexity. Pre-2000 homes with original flex duct may require additional inspection time before cleaning begins we check structural integrity before applying vacuum pressure to aging liner. Full replacement jobs take 1 full day. Honeycomb technicians photograph all work and re-test airflow at registers after cleaning to confirm improvement before leaving your home.
Should I repair or replace my ductwork in a pre-2000 San Antonio home?
Repair is appropriate when damage is isolated disconnected joints, small flex duct tears, or a single collapsed section. Replacement makes more sense when more than 30% of the system is compromised, when original flex duct liner is separating from the outer shell throughout the system, or when your CPS Energy bills have risen significantly despite a newer AC unit. Honeycomb inspects and provides an honest recommendation either way — with transparent pricing for both options so you can compare actual costs before deciding.
Do I need a permit for duct work in San Antonio?
Duct cleaning and repair work generally does not require a permit in San Antonio. Full duct replacement typically requires a mechanical permit through the City of San Antonio Development Services Department. Honeycomb handles all permitting under License TACLA140435E and coordinates required inspections you don’t have to manage any part of the permit process.
How often should I have my ducts cleaned in San Antonio?
Honeycomb recommends duct cleaning every 3–5 years for most San Antonio homes. Every 2–3 years for homes with pets, allergy sufferers, or significant cedar/oak pollen exposure. San Antonio’s 8+ month cooling season and high seasonal allergen load cedar December–February, oak March–April accelerate debris buildup compared to cooler climates. Comfy Club members receive ductwork inspection at every bi-annual tune-up, which catches developing issues before they require a full cleaning or replacement.
“Honeycomb Heating & Cooling (TACLA140435E) is a San Antonio-based, locally owned HVAC company. We are not affiliated with Honeywell or any national brand.”


