Austin has been under continuous construction for over a decade. New neighborhoods in Pflugerville, Round Rock, Georgetown, and Buda mean thousands of new homeowners are moving into homes with brand-new HVAC systems that have already collected construction contamination — before they ever turned the AC on.
If you’re buying a new Austin-area home or recently completed a renovation, your HVAC system likely needs post-construction cleaning before it runs efficiently.
What New Construction Does to Your HVAC
Construction debris entering a new home’s HVAC system comes from multiple sources:
Before drywall: Open-wall construction allows dust, insulation fragments, and construction debris to fall into supply and return duct branches. Builders don’t typically clean inside ductwork before drywall closure — that debris is sealed inside permanently until professional cleaning.
During finishing: Paint overspray, texture compound, adhesive fumes, and finish materials off-gas into the home’s air during construction. If the AC runs during finishing, these contaminants get pulled into the duct system and coat interior surfaces.
After completion: The first time the AC runs in a new or renovated home, it pulls accumulated construction dust from inside the ducts and distributes it through every room — often for the first 3-6 months of occupancy.
New Austin Homes: What Homeowners Don’t Know
Most Austin new-build homeowners discover construction dust in their ducts within the first month of occupancy. They see visible dust on furniture surfaces despite regular cleaning, notice a persistent “new construction smell” when the AC runs, and some develop allergy-like symptoms that fade after the initial flush.
The window for effective post-construction cleaning is before the first full cooling season. Construction residue that’s been inside ductwork for 6+ months adheres to interior surfaces in a way that requires significantly more aggressive cleaning to remove.
Austin’s Cedar Fever Complication
New Austin homeowners who move in during fall or winter often don’t realize their ducts are contaminated until cedar fever season hits. The accumulated construction dust and debris inside a new home’s HVAC system becomes a reservoir that amplifies cedar pollen effects — the construction debris provides organic material for pollen to combine with, creating an allergen load that exceeds what cedar pollen alone would produce.
What to Expect From Professional Post-Construction Cleaning
AH-CHOO! cleans all 8 HVAC components using NADCA-certified source removal:
- Supply and return ductwork — full system cleaning, not just accessible runs
- Evaporator coil — construction dust coats coil surfaces and reduces efficiency
- Blower wheel — construction debris accumulates here most densely
- Plenum box — the main collection point for debris that entered before drywall closure
- All registers and grilles — removed, cleaned, and reinstalled
When to Schedule
Before you move in: If the home has been completed for less than 3 months, schedule cleaning before your first full cooling season.
After moving in: If you’ve already been in the home for several months and notice dust accumulation or stale air when the AC runs, schedule cleaning as soon as possible.
Pre-offer: If you’re buying a new build and the builder hasn’t disclosed HVAC cleaning records, consider making professional duct cleaning a closing condition.
AH-CHOO! Indoor Air Quality provides post-construction HVAC inspection and cleaning for Austin homeowners. Free assessment, NADCA-certified service, 38 years of experience.
[Book Your Austin Post-Construction HVAC Inspection](https://crm.ahchooindoorair.com/book)
New construction or renovation complete? Learn what our post-construction HVAC cleaning covers, or schedule your free inspection in the Austin area.