How Much Does Air Duct Cleaning Cost in Lewisville TX? (2026 Honest Breakdown)

Most Lewisville homeowners pay $400–$600 for a standard single-system home. Larger homes with two HVAC systems run $700–$1,100. The local Lewisville average based on 2026 completed jobs is approximately $475.

Quick Price Reference

Home Type	Typical Price Range
Small home under 1,500 sq ft, 1 system	$350–$500
Standard Lewisville home 1,500–2,500 sq ft	$400–$650
Larger home 2,500–3,500 sq ft, 1–2 systems	$600–$900
Large two-story 3,500+ sq ft, 2 systems	$800–$1,100
Dryer vent add-on	$89–$175
Antimicrobial sanitizing add-on	$75–$150

The 5 Things That Drive Your Price Up or Down

1. Number of vents

Most Lewisville homes have 12–20 supply vents plus return grilles. Legitimate per-vent pricing runs $25–$35. A home with 18 supply vents at $30 each equals $540 — which lines up with market rates. Be cautious of per-vent quotes under $15; that math only works with inadequate portable equipment.

2. Number of HVAC systems

Castle Hills and Vista Ridge two-story homes with over 2,500 square feet almost always have two systems — one per floor. Each system is a separate scope of work and adds $300–$450 to the total. Always confirm with the company how two-system homes are priced.

3. Duct type and age

1970s–80s galvanized metal trunk systems in Old Town and Lewisville Valley require different tools and more time than 1990s–2000s flex duct systems in Castle Hills. Duct board from the 1980s — common in Hunters Glen and Garden Ridge — sheds fibrous material and packs debris differently. Older systems with decades of undisturbed buildup simply take longer to clean thoroughly.

4. Buildup level and contamination type

A home not cleaned in 15 years takes longer than one cleaned 5 years ago. Homes near Lake Lewisville with documented mold growth require sanitizing treatment in addition to mechanical cleaning. Post-construction cleaning of new Castle Hills builds is typically faster because the debris is uniform and recent.

5. Access and configuration

Attic-installed HVAC units — common in single-story Lewisville Valley ranch homes — require additional setup time. Trunk lines running through finished walls or tight crawl spaces take more time to access properly.

Why Some Quotes Are Much Lower

A $49 or $99 quote is a bait-and-switch. Here is what that price actually buys: a technician with a portable vacuum (5,000 CFM — half the power of proper equipment) who will find reasons to charge you $500–$800 once inside your home, while using equipment that cannot clean trunk lines or deep duct runs. Hundreds of DFW homeowners have reported this pattern; it generates the majority of BBB complaints in the home services category.

A legitimate company gives you a written quote before scheduling. That number does not change when they arrive. If there is no large truck with a mounted vacuum unit outside your home during the service, the cleaning is not being done properly.

How to Get an Accurate Quote in Lewisville

For a phone or online quote, have ready: your home’s square footage, approximate number of vents (count the floor/ceiling grilles in each room), number of HVAC systems, and the year your home was built. These four pieces of information allow us to give you an accurate written price before scheduling.

For larger homes or commercial properties, we schedule a free walkthrough inspection before providing a written commercial quote.