Fast, Reliable HVAC Cleaning Across Shady Hollow
HVAC cleaning in Shady Hollow typically costs between $280 and $550 for a complete system service, and most appointments are completed in a single visit. If your system is cycling nonstop, blowing visible dust, or triggering allergy symptoms even with a fresh filter, the problem is almost always deeper than the filter itself.

We’re Nova Air Duct Cleaning Service Austin, and our HVAC Cleaning team works Shady Hollow regularly — from the original MUD-era homes off Slaughter Lane to the newer builds near Escarpment Boulevard. Douglas and the Nova team know the 78739 zip well: the 30–40-year-old flex ducts in unconditioned attics, the live oak canopy that drops debris into soffit vents every spring, and the brutal summer attic temperatures that hit 140°F and accelerate everything from liner cracking to mold growth. We carry professional-grade Rotobrush and Nikro equipment and stock coil treatments and sanitizers so we’re not making return trips. Call (833) 315-4216 for a free estimate — we’ll give you a straight answer on whether your system needs cleaning, repair, or both.
Why Nova Air Duct Cleaning Service Austin Is Shady Hollow’s Preferred HVAC Cleaning Company
More than 1,255 homeowners have reviewed us with a 4.9-star average, and a significant share of those reviews come from southwest Travis County — including repeat customers in Shady Hollow who initially called us after a bad experience with a cut-rate duct cleaning service that used a shop vacuum and left the system worse than before.
Douglas Ross, our owner, serves as lead technician on jobs. That means the person with his name on the company is the same person climbing into your attic, inspecting your flex ducts, and deciding whether a cracked liner needs sealing or full replacement. Eight years focused on one trade — duct and HVAC cleaning — means we’ve seen every failure mode specific to this neighborhood’s housing stock.
Our response time to Shady Hollow is typically same-day or next-day, because we’re already working the southwest Austin corridor regularly. We know which Shady Hollow streets have the older 1980s builds with original attic flex, which ones have the tighter crawl spaces off Brodie Lane, and how the mature canopy along Silver Creek Drive creates access challenges for ladder trucks. That local familiarity saves time on every job.
Our HVAC Cleaning Services in Shady Hollow
Evaporator Coil Cleaning
The evaporator coil in your Shady Hollow home works harder than almost anywhere in Texas. Near-year-round runtime, combined with 140°F attic temperatures, bakes dust and pollen onto the coil fins until airflow drops and your electric bill climbs. We remove the coil assembly when accessible and clean with foaming agents followed by a low-pressure rinse — never the high-pressure washing that bends fins and causes refrigerant leaks. On a job along Silver Creek Drive, we found the HVAC system cycling nonstop despite a clean filter. Inside the attic, the original 1988 flex ducts had inner-liner cracks from attic heat, and the return grille was coated with oak tassel fragments that had blown in through soffit vents. We cleaned the entire system with our Rotobrush and applied a coil treatment to the evaporator, restoring airflow and reducing the homeowner’s allergy symptoms.
Blower Cleaning
The blower wheel sits downstream from your filter, which means every particle that slips through — or every fragment that enters through cracked flex duct or soffit vents — ends up caked on the blower blades. In Shady Hollow’s cedar-fever corridor, that buildup can reduce airflow by 30% or more. We remove the blower assembly, clean each blade with compressed air and solvent, and balance the wheel before reinstallation. A clean blower doesn’t just move more air; it draws less amperage and runs quieter.
Condenser Cleaning
Shady Hollow’s live oak canopy is beautiful. It’s also a debris factory. Oak tassels, fine organic particulate, and pollen coat outdoor condenser coils every spring, restricting heat rejection and forcing your compressor to run longer and hotter. We fin-comb the coils, apply foaming cleaner, and rinse with low-pressure water — the same protocol we’d use on our own equipment. For homes near the densest canopy cover off Slaughter Creek, we recommend condenser cleaning as an annual spring service before the summer load hits.
Air Handler Cleaning
The air handler is the central station: blower, coil, drain pan, and filter rack all in one cabinet. In Shady Hollow’s 30–40-year-old homes, we frequently find air handlers installed in unconditioned attics with corroded drain pans, cracked secondary drains, and standing water that breeds mold. Our cleaning protocol addresses the full cabinet — not just the visible surfaces — because partial cleaning in this climate is worse than no cleaning at all. The humidity doesn’t quit, and neither should the service.

Coil Treatment
This is where we separate from competitors who clean and leave. After evaporator coil cleaning, we apply a protective treatment — Guardsman or equivalent — that inhibits mold and bacterial growth for the high-humidity months ahead. Shady Hollow’s summer humidity, combined with continuous HVAC runtime, creates ideal conditions for mold colonization inside duct liners. Standard coil cleaning without treatment leaves the surface vulnerable within weeks. We treat because we’ve seen too many callbacks that could’ve been prevented.
What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Shady Hollow
We clean and service equipment from every major manufacturer, and we stock treatments and parts from Honeywell, Aprilaire, and Abatement Technologies for Shady Hollow customers who want faster turnaround without waiting on shipped orders. Honeywell media filters and electronic air cleaners integrate well with the Trane and Carrier systems common in 1990s Shady Hollow builds. Aprilaire humidifiers and dehumidifiers — often added to address the dry winter / humid summer swing — require specialized cleaning protocols we perform regularly. Abatement Technologies HEPA filtration and containment products come into play when we’re working in occupied homes with severe allergy or immunocompromised residents. We don’t just recognize these brands; we know their service clearances, their common failure points, and which coil treatments are compatible with their coatings.
Common HVAC Cleaning Problems We See in Shady Hollow Homes
- Attic soffit vents clogged with live oak debris. Technicians skip inspecting these, allowing fine particulates to recontaminate ducts within weeks. We check soffit intake on every Shady Hollow job — the oak tassels are predictable, and ignoring them is negligent.
- Original flex ducts with cracked inner liners. The 1980s–1990s MUD-era housing stock in Shady Hollow almost universally has flexible ductwork now past its 25-year service life. Cracked liners pull attic air — dust, insulation fragments, rodent droppings — directly into your supply airstream. Negative-pressure cleaning alone won’t remove debris trapped in liner cracks; we inspect and recommend repair or replacement when needed.
- Crews using inadequate equipment. A Rotobrush or Nikro system with powered whipping and HEPA containment is the minimum for effective duct cleaning. Shop vacuums and compressed-air wands — the tools of low-bid competitors — redistribute debris rather than remove it. We’ve been called to Shady Hollow homes where a “$99 whole-house special” left the system dirtier than before.
- Mold growth in coil and drain pan from untreated humidity. Standard coil cleaning without protective treatment overlooks the mold-promoting conditions of Shady Hollow’s high summer humidity. Musty odors, reduced air quality, and recurring drain clogs are the predictable result. We treat coils with compatible antimicrobial coatings as standard practice, not an upsell.
Pricing for HVAC Cleaning in Shady Hollow, TX
| Service | Typical Range in Shady Hollow |
|---|---|
| Evaporator coil cleaning only | $180 – $320 |
| Blower cleaning only | $140 – $220 |
| Condenser cleaning only | $120 – $200 |
| Full HVAC system cleaning (coil, blower, condenser, air handler) | $280 – $550 |
| Coil treatment application | $60 – $95 |
| Air handler + drain pan deep clean | $160 – $280 |
What moves you within these ranges? Accessibility of the air handler, severity of buildup, whether we find cracked flex duct that needs sealing before cleaning is worthwhile, and whether the system requires multiple coil treatments for heavy mold colonization. Homes in the original Shady Hollow MUD sections — particularly those with 1980s attic installations — often take longer due to tight access and deteriorated original components. We quote upfront after inspection, not after we’ve started the work. Estimates are free. Call (833) 315-4216 and we’ll give you a straight number.
We Also Serve Cities Near Shady Hollow
Our service radius covers the full southwest Austin corridor. We work regularly in Buda, where newer construction brings different duct materials and coil configurations; central Austin, with its mix of historic and modern HVAC systems; Kyle, where hard water scale affects coil efficiency; and Bee Cave, with its hill-country dust and pollen profiles. Each city gets the same owner-led service, but the specific protocols vary based on local conditions — just as they do for Shady Hollow’s unique oak-and-cedar environment.
Serving Shady Hollow, TX — Our Local Coverage Area
We’re based in the Shady Hollow area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs — HVAC Cleaning in Shady Hollow
The dust is coming from downstream of the filter — almost always from cracked flex duct in your attic or debris entering through soffit vents. In Shady Hollow’s 30–40-year-old homes, original flex duct liners crack from years of 140°F attic heat, pulling attic air directly into your supply. Changing the filter can’t fix that. Call (833) 315-4216 and we’ll inspect the ductwork — estimates are free.
Yes — the mature canopy deposits fine organic particulate and oak tassels into attic soffit vents every spring, creating a distinct contamination pathway beyond the cedar pollen season. Technicians who don’t inspect soffit intakes miss this entirely. We check them on every Shady Hollow job because the debris is predictable and preventable.
Most Shady Hollow homes benefit from full HVAC cleaning every 2–3 years, with annual condenser cleaning and coil treatment before each summer. The December–February mountain cedar season is severe enough that households with allergy sufferers often schedule duct and coil cleaning in March to clear the accumulated pollen load before summer humidity triggers mold growth.
Yes — a dirty coil can reduce cooling efficiency by 20–30%, and in Shady Hollow’s near-continuous summer runtime, that translates directly to higher electric bills. Clean coils move more air at lower amp draw, and the system cycles less frequently. Most homeowners see measurable bill improvement within the first billing cycle after cleaning.
Yes — in Shady Hollow’s humidity, untreated coils begin re-colonizing mold within weeks. We apply Guardsman-compatible antimicrobial treatment as standard because we’ve handled too many callbacks that a $60–$95 treatment would’ve prevented. The coating doesn’t affect heat transfer and extends the effective cleaning interval by months.
Written by Douglas Ross, Owner at Nova Air Duct Cleaning Service Austin, serving Shady Hollow and southwest Travis County since 2016.