Air Duct Cleaning Cost in Lewisville, Texas
Expect to pay $370 to $850 for air duct cleaning in Lewisville, TX (whole house). Most homeowners end up near $630, depending on the equipment tier and how much of the old setup can be reused.
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Lewisville Weather and HVAC Load
NOAA's 1991-2020 climate normals put Lewisville at 2,437 heating degree days and 2,625 cooling degree days per year. Neither season dominates in Lewisville. That balance is a big reason heat pumps and dual-fuel systems sell well in Texas. A normal year brings 44 nights at or below freezing and 104 days over 90°F.
| Heating degree days / year | 2,437 |
|---|---|
| Cooling degree days / year | 2,625 |
| Nights at or below 32°F | 44 |
| Days above 90°F | 104 |
| Average low / high | 54.7°F / 76.2°F |
Lewisville Housing Stock
Census figures put the median build year in Lewisville at 1996, so a typical house here has about 30 years on it. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. About 23,000 households here own their home, 46.6% of the occupied total. The median home value is $350,200, and median household income is $85,002. We use both figures to adjust labor and pricing for this page.
Denton County had 53 hail days and 31 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 5.9 inches across. Hail flattens the thin aluminum fins on condenser coils and cuts airflow. After a big storm, take a look at the outdoor unit; homeowners insurance often covers the damage. Denton County also had 4 tornado days in that period.
When to Book It
- Dust puffs out of the vents when the system starts
- You just finished a remodel
- A musty smell after a leak or flood
- Signs of mice or insects in the ducts
What Moves the Price
- Adding a dryer vent cleaning
- House size and duct layout
- Sanitizing or mold treatment
- How hard it is to reach ducts in the attic or crawlspace
- How many supply and return vents the house has
We raised the national figures about 6% for Lewisville using local income, home values and the equipment size this climate needs. Real bids can still come in outside the range, so collect three written quotes.
What the Quote Should Cover
- Cleaning the blower compartment
- Inspecting the supply and return ducts
- Cleaning the registers and grilles
- Cleaning under negative pressure with a truck or portable vacuum
- Before-and-after photos
Texas Permits, Efficiency Rules and Rebates
Texas is in the DOE's Southeast region, where new split central air conditioners need at least 14.3 SEER2 (13.8 SEER2 for systems of 45,000 BTU/h and up).
Before You Hire
- Watch out for $99 whole-house deals. They tend to turn into upsells once the crew is inside.
- Ask whether the company follows NADCA standards.
- Put in a new filter as soon as the cleaning is done.
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Air Duct Cleaning Questions from Lewisville Homeowners
How much is air duct cleaning in Lewisville?
Plan on $370 to $850, with most jobs near $630. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule air duct cleaning in Lewisville?
In spring or fall. Those are the slow months between heating and cooling season in Lewisville.
How often should ducts be cleaned?
There's no set schedule. The EPA recommends cleaning when there's visible mold, pests or a lot of debris, not on a routine basis.
Does duct cleaning lower energy bills?
Not by much. Sealing leaky ducts makes a much bigger difference to efficiency and comfort.
Air Duct Cleaning Near Lewisville
- Carrollton $390 to $890
- Flower Mound $480 to $1,100
- Midland $370 to $840
- Waco $300 to $700
- Round Rock $390 to $890
- McAllen $310 to $710
- Abilene $310 to $720
- Pasadena $320 to $730
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Grapevine Dam; NOAA Storm Events Database 2020-2025, Denton County. Prices are our estimates, not contractor quotes. Updated 2026.