Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
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Before
AfterSupply Duct Cleaning in Lewisville, TX
Supply duct cleaning targets the ductwork that carries conditioned air from your HVAC system outward to every room in your home. In Lewisville, where summers regularly push past 100°F and systems run nearly eight months a year, supply ducts accumulate debris faster than most homeowners expect – and that debris recirculates directly into the living space every time the fan cycles on. A properly cleaned supply duct system means the air your equipment worked to condition actually arrives at the register clean, not carrying whatever settled inside the duct since the last service.
CleanRun Air Duct Cleaning Lewisville has documented the inside of supply ducts in over 52,000 homes since 2013, with a written price delivered before any work starts and a Video Inspection with before-and-after photo record included on every single job. If you want to know what’s actually in your supply ducts before committing to anything, call us at (940) 240-8552 – a live person answers, and your written estimate costs nothing.
Supply duct cleaning is a core part of what we do under our full Air Duct Cleaning in Lewisville service. This page covers the supply side specifically – how it works, what it costs in this market, and why the distinction matters for your home’s air quality.
What Supply Ducts Are – and Why They Get Dirty
Your HVAC system moves air in two directions. Return ducts pull air from the house back toward the air handler. Supply ducts push the treated air back out. The supply side starts at the plenum – the main distribution box attached directly to your air handler – and branches into individual duct runs that terminate at supply registers in your ceilings or floors.
Because supply ducts are under positive pressure when the system runs, small particles get pushed along with the airstream and deposit at elbows, transitions, and flex duct sags. In Lewisville’s older subdivisions near Valley Ridge or the established neighborhoods off Main Street, we regularly find 3 to 5 years of settled debris at the first elbow off the plenum – even in homes where the filter gets changed on schedule. The filter catches what it can, but it doesn’t intercept everything, and construction dust from the DFW building boom of the 2010s is still showing up in supply runs we opened for the first time this year.
Flex duct – the corrugated silver tubing used in most Lewisville homes built after 1990 – collapses slightly at every hanger point. Those low spots catch debris the way a bent garden hose catches sediment. Rigid sheet metal runs, more common in the 1970s and 1980s homes near Old Town Lewisville, develop their own accumulation at seams and inside elbows where airflow slows.
When You Need Supply Duct Cleaning
- Visible debris at supply registers. If you see gray or brown buildup on the louvers of a ceiling or floor register, the duct behind it is contributing to that accumulation. Wiping the grille doesn’t address what’s a few feet upstream.
- Rooms that don’t cool or heat evenly. A partially blocked supply run delivers less airflow to that room. In Lewisville’s August heat, a bedroom that stays 4-5 degrees warmer than the rest of the house is a symptom worth investigating before blaming the HVAC unit itself.
- Allergy or respiratory symptoms that worsen indoors. Supply ducts carry airborne particulates – mold fragments, dander, pollen that entered during high-wind days – directly into breathing space. North Texas’s spring allergen season is one of the most aggressive in the country, and supply ducts that haven’t been cleaned in five or more years can actively worsen indoor air quality during that period.
- Recent renovation or construction in the home. Drywall dust, insulation fibers, and wood particles generated by a remodel migrate into supply duct openings even when they’re taped off. We see this consistently in Lewisville homes that have had kitchen or bathroom work done without full duct protection.
- A home purchased without service records. If you bought in the Castle Hills area or any of Lewisville’s newer master-planned communities between 2018 and 2023 and have no documentation of prior duct cleaning, the supply side has likely never been touched since the builder’s crew finished the install.
- Higher-than-expected energy bills. Debris buildup reduces the effective cross-section of a duct run, which means your system has to work harder to deliver the same airflow. That added strain shows up on your electricity bill before it shows up as a mechanical failure.
BeforeAfterOur Supply Duct Cleaning Process
Every step below applies to every job, regardless of home size or how long it’s been since the last cleaning. Nothing gets skipped to hit a price point.
- Pre-job camera inspection and written scope. Before any equipment comes off the truck, we run a camera into the supply plenum and representative duct runs. What the camera shows determines the written scope and the written price. You see the before photo. The price is documented under Haven Standard Clause 1 – it doesn’t change after work starts.
- System isolation and negative-pressure setup. We attach a high-capacity negative-pressure extraction unit – typically Nikro equipment on this type of job – to the main supply trunk. Negative pressure means the entire supply system operates under a contained vacuum: anything dislodged during cleaning gets pulled toward the collection unit, not back into the living space. All supply registers are sealed with magnetic covers to maintain that pressure differential throughout the job.
- Mechanical agitation of each supply run. We work each supply duct run individually using rotary brush equipment. The brushes dislodge debris that has compacted against duct walls, flex duct liner, and elbow interiors. This step is where the difference between real duct cleaning and shop-vac noise becomes measurable – surface vacuuming at a register opening doesn’t reach the debris 8 to 15 feet back in the run.
- Plenum cleaning and transition point inspection. The plenum is the origin point for every supply run in the house. We clean the plenum interior directly and inspect every takeoff collar – the point where each branch duct connects to the trunk – for debris accumulation, disconnection, or tape failure. In Lewisville homes built before 2000, we find deteriorated mastic or foil tape at these connections fairly often.
- Final vacuum pass and register reinstallation. After agitation, we do a final extraction pass through each run with the negative-pressure system still active. Registers are reinstalled and wiped clean. The system is returned to normal operation and given a run cycle before we leave.
- Post-job photo record and written documentation. Every duct run photographed before work is photographed again after. You receive the complete before-and-after photo record as a standard deliverable – not something you have to request. The 365-Day Done Right Promise is noted in writing on your job record: if the work isn’t right, we make it right, in writing, without requiring manager approval.
Supply Duct Cleaning Pricing in Lewisville
How Much Does Air Duct Cleaning Cost? (2026 Price Guide) - Lewisville, TX: supply duct cleaning in Lewisville typically runs between $280 and $620 as a standalone service, depending on the factors listed below. When performed as part of a full system cleaning that includes return ducts, the air handler compartment, and the blower, the combined job generally runs $420 to $950 for a standard single-story or two-story home in this market.
These are real numbers for this market. They reflect what CleanRun actually charges in Lewisville – not a teaser price that gets revised once a technician is in the house.
| Factor | Typical Impact on Price |
|---|---|
| Number of supply runs (registers) | Most Lewisville homes: 10-20 runs. Base price assumes up to 12; each additional run adds to the total. |
| Duct material (flex vs. rigid sheet metal) | Flex duct requires more time per run due to corrugated liner surface. Rigid metal is generally faster. |
| Level of debris accumulation | Heavy buildup – common in homes that haven’t been cleaned in 7+ years or post-construction – adds time and affects the final price. |
| Attic accessibility | Supply trunks running through a low-pitch attic (common in some Lewisville neighborhoods built in the 1980s) take longer to access for inspection and agitation. |
| Combined vs. standalone service | Supply cleaning paired with return duct and air handler cleaning is more efficient to schedule and typically lower per-component than booking separately. |
Haven Standard Clause 1 means your written price is delivered before any panel comes off. There is no “call for a quote” with CleanRun – the estimate is free, it’s in writing, and it doesn’t move. If you have a written estimate from another contractor, bring it: we’ll put our number next to it in writing at no charge.
To get your written estimate for Air Duct Cleaning Near Me in Lewisville, TX, call (940) 240-8552. The call is answered by a live person.
FAQs – Supply Duct Cleaning in Lewisville
What is supply duct cleaning, and how is it different from general duct cleaning?
Supply duct cleaning focuses specifically on the ducts that push conditioned air out to your rooms – the supply side of the system, starting at the plenum and running to each register. General duct cleaning typically includes both the supply side and the return side (which pulls air back to the air handler). Some contractors clean only accessible register openings and call it done; CleanRun’s our Air Duct Cleaning services reach each full duct run using mechanical agitation and negative-pressure extraction, not just surface vacuuming at the grille. If a quote doesn’t specify which duct runs are being cleaned and how far the cleaning reaches into each run, ask before signing. Call (940) 240-8552 and we’ll walk through exactly what’s included in your written estimate.
How much does supply duct cleaning cost in Lewisville?
Supply duct cleaning in Lewisville runs $280 to $620 for the supply side as a standalone service, or $420 to $950 combined with return ducts and the air handler compartment. The main variables are the number of supply runs in your home, the duct material (flex versus rigid metal), and the degree of debris accumulation found during the pre-job camera inspection. Your written price is locked in before any work begins – Haven Standard Clause 1. Call (940) 240-8552 for a free written estimate.
How often should supply ducts be cleaned in a Lewisville home?
Most Lewisville homes benefit from supply duct cleaning every 4 to 6 years under normal occupancy conditions. That interval shortens to 2 to 3 years for homes with pets, residents with respiratory sensitivities, or any recent interior renovation. The extended HVAC season in North Texas – systems run hard from April through October – means supply ducts accumulate debris faster than they would in a milder climate. If you have no documentation of a prior cleaning and have owned the home for more than three years, a camera inspection is a reasonable starting point regardless of when you last replaced the filter. The inspection is part of the written estimate process at CleanRun, so there’s no separate charge to find out what’s actually in the ducts.
Can dirty supply ducts affect my HVAC system, not just air quality?
Yes. Debris in supply ducts reduces airflow volume to each room, which increases static pressure across the system. Elevated static pressure makes the blower motor work harder and can shorten its service life. In Lewisville’s summer conditions – where a residential system may run 12 or more hours daily – that added strain is not trivial. We’ve opened supply runs in homes where the original 1-inch insulation liner had partially detached and was restricting airflow by 30 to 40 percent of the duct’s designed cross-section. The homeowner’s complaint was high utility bills; the cause was in the duct, not the equipment. A documented cleaning with before-and-after photos gives you a baseline to compare against if the problem reappears. Call (940) 240-8552 to schedule an inspection.
Why Lewisville Homeowners Choose CleanRun for Supply Duct Work
The duct cleaning industry in the DFW area has a well-documented history of low-price offers that expand dramatically once a crew is inside the house. CleanRun was built specifically against that model. Every job since 2013 has started with a written price and ended with a documented photo record. The 365-Day Done Right Promise means accountability doesn’t end when the truck leaves.
Background-checked, uniformed technicians are identified by name before arrival – Haven Standard Clause 3. Equipment on supply duct jobs includes professional-grade tools from Nikro and Rotobrush, both trade-recognized names you can look up independently. Honeywell and Aprilaire filtration products are available when a job involves air quality upgrades alongside the cleaning work.
The home page has the full picture of what CleanRun covers and how the Haven Standard applies across every service. For supply duct cleaning specifically, the process described on this page is what you get – documented, written, and backed by a promise that has to be honored in writing, not subject to manager approval.
Lewisville homeowners in Castle Hills, The Realm, Valley Ridge, and the neighborhoods east of I-35E all get the same written price, the same photo record, and the same 365-day accountability. There’s no tiered service level based on neighborhood or home value.
Key Takeaways
- Supply ducts carry conditioned air from the plenum to every room; cleaning them requires mechanical agitation and negative-pressure extraction, not just register vacuuming.
- Supply duct cleaning in Lewisville runs $280-$620 standalone or $420-$950 combined with return ducts and the air handler.
- CleanRun has served 52,000+ homes since 2013, with a written price before work starts and a before-and-after photo record on every job.
- The 365-Day Done Right Promise is in writing on your job record – if the work isn’t right, CleanRun makes it right.
- Lewisville’s long HVAC season and DFW construction history mean supply ducts accumulate debris faster than the national average suggests.
- Free Second Opinion: bring any written competitor estimate and CleanRun puts its own number next to it in writing, at no charge.
To schedule supply duct cleaning in Lewisville or to get your free written estimate, call (940) 240-8552. A live person answers. Your price is in writing before anyone touches a duct.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Lewisville, serving Lewisville since 2013.