Duct Sanitizing & Antimicrobial Treatment in Dripping Springs
EPA-registered antimicrobial treatment — after cleaning, never instead of it.
01Dripping Springs — the housing record
What Dripping Springs actually has behind its walls.
Before anyone quotes a duct job here, this is the stock they are quoting against. It is public Census data, and it is different in every city we cover.
- Housing units
- 2,605
- Built pre-1980
- 0%
- Built 2000s
- 21%
- Built since 2010
- 66%
- Gas heat
- 18%
- Electric heat
- 70%
- Single-family
- 51%
U.S. Census Bureau, American Community Survey 5-Year Estimates (2023), tables B25034, B25040 and B25024. Percentages are rounded and describe the city, not your house.
What that means for ducts
New-build ductwork
Roughly 66% of Dripping Springs's homes were built since 2010. New does not mean clean: the commonest thing we pull out of a five-year-old system is the construction phase itself — drywall fines, sawdust, insulation fiber — plus builder-grade flex that was kinked or crushed on the day and has been throttling that run ever since. Photographs matter more here, not less.
That is a reading of the city’s stock, not a diagnosis of your home. Which of it applies to you is exactly what the camera settles — and why we would rather run one than quote from a postcode.
02Working in Dripping Springs
The part that changes from street to street.
Two different jobs share the Dripping Springs name. Inside the actual city limits the housing is recent and roughly half of it is attached, apartments and townhomes near the center, each running an air handler in a closet with barely any duct hanging off it. Everything else people mean by Dripping Springs is county acreage, larger houses on unpaved drives, commonly with two systems and long attic trunks reaching wings that sit far apart. On those properties the largest single influence on the inside of your ductwork is the driveway and the road it meets. Caliche and crushed limestone throw a fine pale dust every time a vehicle moves, and it comes in on shoes, through doors held open, and directly into any return joint that is not sealed. Filters at the end of a long gravel drive load faster than filters in town, and the answer to that is a schedule rather than a scrubbing. Gas service barely reaches out here, so most homes run heat pumps and a few burn propane, which is worth establishing before anyone opens a cabinet.
Hamilton Pool Preserve
- Belterra ·
- Caliterra ·
- Headwaters ·
- Historic Mercer Street
County
Hays County
Same standard in Dripping Springs as everywhere else.
Source removal to the NADCA ACR standard, a written quote before anything is touched, and camera photographs of your own runs before and after. We are not going to re-argue that on every city page — it is set out once, in full, on the service page.
- Surface-prep verification — treatment goes on cleaned ducts only
- EPA-registered, HVAC-labeled product applied per label directions
- Treated areas documented with photos
- Product name and label information left for your records
- From
- $149
- On site
- 45–60 minutes as an add-on
- Scope
- 4 lines
Prices shown are starting estimates and may change with the condition, access, and scope we find on site. Only a written quote from an on-site visit is a price we commit to.
03Duct Sanitizing & Antimicrobial Treatment — in this stock
Treatment in new stock — usually the wrong purchase.
In a house built since 2010 there is rarely a documented indication for an antimicrobial or a UV lamp, and we will normally say so. Where a UV light does earn its place here it is a coil-hygiene decision on a system that runs long humid cycles, not an air-purity claim. If someone has quoted you a treatment on a five-year-old system without showing you a reason on camera, ask what the reason was.
Is the antimicrobial treatment safe for my family and pets?
We only use products EPA-registered specifically for use in HVAC systems, applied exactly as the label directs — including any re-entry and ventilation instructions, which we walk you through before we start. You also get the product name and label documentation for your records.
Why won't you sanitize without cleaning first?
Because fogging product over a layer of dust treats the dust, not the duct surface — the buildup simply shields what's underneath. It wastes your money and violates the spirit of the label.
04Book in Dripping Springs
Three fields, and a person calls you back.
Tell us the ZIP and we will tell you what your system likely needs — including, sometimes, that it needs nothing yet. Nothing is charged until you have approved a written quote.
05Questions
Asked in Dripping Springs, answered straight.
Is the antimicrobial treatment safe for my family and pets?
We only use products EPA-registered specifically for use in HVAC systems, applied exactly as the label directs — including any re-entry and ventilation instructions, which we walk you through before we start. You also get the product name and label documentation for your records. No off-label products, no improvised mixes, ever.
Why won't you sanitize without cleaning first?
Because fogging product over a layer of dust treats the dust, not the duct surface — the buildup simply shields what's underneath. It wastes your money and violates the spirit of the label. Source removal first, then treatment where there's a documented indication. Any company that offers it the other way around is selling theater.
Our filters go gray in a month and we are well outside town.
That is the caliche drive, not a duct full of dirt. Limestone road dust is fine enough to stay airborne and it arrives continuously, so the system keeps catching it. Sealing the return joints stops the share coming in through leaks. The rest is a filter schedule, and we would rather write you a realistic one than sell a cleaning that the next few weeks of traffic undoes.
We have two systems. Do both need to be done?
Usually not. On these spread-out plans one system serves the main living area and runs constantly while the other covers a wing or a guest side that is barely used, and their conditions diverge quickly. We scope each and quote only what needs work. Being told that one of your two systems is fine is a normal outcome of this visit.
We are building on acreage. What should we watch during construction?
The distances more than the dust. Long single-story plans out here push flex runs well past what the design intended, and once the drywall is up nobody sees a run that was left slack or turned twice to reach a far bedroom. Ask to see the duct layout before it is covered, and have the boots capped through the finish trades. Fixing geometry before closing is far cheaper than living with it.
Duct Sanitizing & Antimicrobial Treatment nearby
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