Commercial Duct Cleaning in Leander, TX

Every visit starts with

Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents

Worth knowing

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.

Styles & brands we work with

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Before & after – our own jobs

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Commercial Duct Cleaning in Leander, TX

Commercial duct cleaning in Leander removes accumulated dust, debris, microbial growth, and construction particulate from the supply and return duct systems in office buildings, retail spaces, restaurants, and light industrial facilities. A properly scoped job runs $400-$2,800 depending on square footage, system age, and contamination level – and at CleanRun, that number is written down before a single panel comes off. If you want a written quote today, call (737) 252-1285 and a live person will answer.

Leander has grown faster than almost any city in Williamson County over the past decade. The commercial corridor along US-183 and the business parks off Crystal Falls Parkway are full of buildings that went up during the construction boom between 2018 and 2023 – and construction-era ductwork is some of the most contaminated we photograph. Drywall dust, fiberglass insulation fragments, and job-site debris settle into every horizontal duct run during build-out and often stay there for years because no one thinks to clean a “new” building’s ducts. Our camera-first approach finds what a shop-vac and a flashlight miss.

CleanRun has been doing this since 2013, across more than 52,000 jobs, every one of them documented with before-and-after photographs of the interior duct surfaces. That record is handed to the building owner or facility manager as a standard deliverable – not an add-on. For a fuller picture of our residential and commercial air duct work, visit our Air Duct Cleaning in Leander page, or read more about the full scope of what we do on the home page.

When You Need Commercial Duct Cleaning

Not every commercial building needs duct cleaning on the same schedule. In Leander’s climate – hot summers that keep HVAC systems running nearly eight months of the year, combined with Central Texas’s persistent cedar and oak pollen – duct systems accumulate debris faster than in milder regions. These are the situations where scheduling a documented cleaning makes the most practical sense:

• Post-construction or post-renovation contamination. If the building was constructed or significantly remodeled without duct covers in place, the camera typically shows a visible debris layer at the first elbow of every supply run. This is the single most common finding in Leander commercial spaces built between 2019 and 2023.
• Visible particulate discharge at registers. When employees or tenants report dust blowing from supply registers during system startup, the duct interior is usually the source. The particles are often drywall fines or degraded fiberglass – neither of which belongs in occupied air.
• Persistent odors that survive filter changes. A musty or stale smell that returns within weeks of a fresh filter installation usually points to microbial growth on duct liner surfaces or standing debris in low-velocity return runs. Replacing filters treats the symptom; cleaning the duct system addresses the source.
• HVAC efficiency decline without mechanical cause. When supply airflow readings drop and the air handler checks out mechanically, debris accumulation at the plenum – the central chamber that distributes conditioned air to the individual duct runs – is often restricting airflow. We photograph airflow obstructions before recommending any scope of work.
• Tenant or employee complaints about air quality. In Leander office buildings near the 183A tollway, fine road particulate is a year-round factor. If indoor air quality complaints increase during high-traffic or high-wind periods, duct contamination is worth ruling out before investing in filtration upgrades.
• Change in building occupancy or use. A space that transitions from warehouse to office use, or from a restaurant to a retail tenant, often carries the previous occupant’s grease residue, cooking particulate, or stored-goods dust in the duct system. That contamination travels to the new tenants on day one.

Our Commercial Duct Cleaning Process

Every CleanRun Full System Cleaning follows the same documented sequence, regardless of building size. The steps below reflect the H.A.V.E.N. Standard, which governs how our technicians prepare, execute, and close out every job. Tomas Reyes reviews the photo record on every commercial job before the crew signs off.

1. Pre-job inspection and written scope. A technician walks the building, counts supply and return registers, identifies duct material (flex, rigid sheet metal, or duct board), and documents system age and visible contamination at accessible points. A written price is produced from this inspection – not from a square-footage formula applied without looking. Haven Standard Clause 1: the written price is delivered before any work starts, without exception.
2. Pre-cleaning photography of every duct run. Before the negative-pressure equipment is set up, a camera is run into each duct run from the register end. The images are timestamped and labeled by zone. This is the “before” half of the documented photo record the customer receives at job close. It also protects both parties: if a pre-existing condition exists, it’s visible in the record before our equipment touched anything.
3. Negative-pressure extraction setup. Negative-pressure extraction means the duct system is placed under suction – using Nikro or Rotobrush equipment, depending on duct diameter and configuration – so that dislodged debris travels toward the collection unit rather than into the occupied space. In larger Leander commercial buildings with multiple air handlers, each air handler section is isolated and cleaned separately to maintain pressure integrity across the run.
4. Mechanical agitation of duct surfaces. A rotating brush or compressed-air whip is fed through each duct run to break up adhered debris. For sheet metal duct, Rotobrush rotary equipment is standard. For flex duct or duct board liner, air-whip agitation is used to avoid liner damage. The agitation method is documented in the written scope so there’s no ambiguity about what was used or why.
5. Plenum and air handler cleaning. The plenum – the distribution chamber at the air handler – collects more debris by volume than any individual duct run. We clean the plenum interior, evaporator coil housing exterior, and accessible air handler cabinet surfaces. Coil cleaning is quoted as a separate line item if the coil requires it.
6. Post-cleaning photography and written job record delivery. After extraction is complete, the camera goes back through each run. Post-cleaning images are paired with pre-cleaning images in the job record, labeled by zone, and delivered digitally to the facility contact. The 365-Day Done Right Promise is attached to this record in writing: if anything covered in the scope isn’t right within 365 days of the job, CleanRun makes it right – in writing, not at a manager’s discretion.

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Commercial Duct Cleaning Pricing in Leander

Air Duct Cleaning in Leander typically falls between $400 and $2,800 for a single air-handler system. Multi-unit buildings or facilities with multiple air handlers are quoted per system. The written price is delivered before work starts – that’s not a policy we’re proud of, it’s just how every job works under the Haven Standard.

Here’s what moves the number up or down:

• System size and register count: A 2,000 sq ft office suite with one air handler and 12 registers sits at the lower end of the range. A 12,000 sq ft multi-tenant building with three air handlers and 60 registers sits at the higher end. The quote reflects what the camera found, not a formula.
• Contamination level: Construction debris, grease accumulation (common in former restaurant spaces off East Crystal Falls Parkway), and microbial growth all affect labor time and equipment configuration. A light maintenance clean on a 3-year-old system costs less than a first-ever clean on a 10-year-old system that was never cleaned after build-out.
• Duct material: Rigid sheet metal duct is the fastest to clean. Flex duct and duct board liner require a different agitation method and more time per linear foot. If a building has mixed duct types – common in Leander commercial builds from the 2015-2020 era – the quote breaks out the labor by section.
• Access points: Duct runs above drop ceilings with limited access tiles, or systems with non-standard register placement, require more setup time. The pre-job inspection identifies these before the price is written.
• Add-on services: Sanitizing with an EPA-registered antimicrobial agent, coil cleaning, or UV-C light installation (using Honeywell equipment) are each quoted as separate line items. Nothing is bundled into the base price without appearing in the written scope.

A free second opinion is available on any written competitor estimate. Bring the quote – CleanRun puts its own number next to it in writing, with a breakdown of what’s included in each. Call (737) 252-1285 to schedule a pre-job inspection at your Leander facility.

FAQs – Commercial Duct Cleaning

How often should a commercial building in Leander have its ducts cleaned?

Most commercial buildings in Leander benefit from cleaning every 3 to 5 years under normal occupancy conditions. The actual interval depends on what the camera shows during a pre-inspection, not on a calendar. High-traffic spaces, buildings near active construction, and facilities with food preparation typically need cleaning more frequently – sometimes annually. A post-cleaning photo record from CleanRun gives facility managers a documented baseline, so the next inspection has something specific to compare against rather than relying on a general schedule. Call (737) 252-1285 to schedule a pre-inspection and get a written recommendation based on your building’s actual condition.

What’s the difference between commercial and residential duct cleaning?

Commercial duct cleaning in Leander involves larger-diameter trunk lines, multiple air handlers, longer duct runs, and significantly higher total system volume than residential work. The negative-pressure extraction equipment scales up accordingly – Nikro commercial-grade units, for example, are rated for the higher CFM demand of multi-zone commercial systems. The documentation requirements are also more involved: facility managers typically need zone-by-zone photo records for maintenance logs, and the written scope needs to align with lease or property management requirements. The core process – photograph before, clean, photograph after, deliver the written record – is identical to what we do on every Residential Duct Cleaning job.

Can duct cleaning be done after hours or on weekends to avoid disrupting tenants?

Yes. CleanRun schedules commercial jobs around the facility’s operating hours. For occupied Leander office buildings or retail spaces, after-hours and weekend scheduling is available and quoted at the same rate as standard scheduling – there’s no after-hours premium. The pre-job inspection will confirm access requirements and the minimum shutdown period for each air handler section, which is typically 2 to 4 hours per system. Call (737) 252-1285 and a live person will work through the scheduling options with you directly.

Does commercial duct cleaning require any permits in Leander?

Duct cleaning itself does not require a permit in Leander under current City of Leander and Williamson County codes. If the job involves duct repair, duct replacement, or modifications to the HVAC system configuration, a mechanical permit may be required depending on scope. CleanRun’s pre-job inspection will identify whether the work crosses into permit territory, and we’ll flag it in writing before the job starts. Cleaning-only scopes – negative-pressure extraction, agitation, and sanitizing – proceed without a permit and can typically be scheduled within a few business days of the inspection. Call (737) 252-1285 for a written confirmation of what your specific scope requires.

What CleanRun Documents on Every Commercial Job

The photo record is the most specific thing we can hand a facility manager, and it’s included in the base price of every job – not charged as a documentation fee. Here’s exactly what the job record contains:

• Timestamped pre-cleaning photographs of every accessible duct run interior, labeled by zone and air handler
• Timestamped post-cleaning photographs of the same runs, in the same sequence, for direct comparison
• Written scope identifying duct material, system age, contamination findings, and the agitation method used
• The written price as quoted before work started, with any approved changes noted and signed off
• The 365-Day Done Right Promise in writing, attached to the job record and enforceable from the date of service

This is the record that distinguishes documented work from vacuum noise. A facility manager who has been through a $79 coupon cleaning – where a technician runs a shop-vac down two registers and leaves – knows the difference the first time they see a CleanRun job record. The camera images are the evidence.

Why Leander Commercial Properties Trust CleanRun

Leander’s commercial growth has been sharp and fast. The area around the 183A corridor, the Leander Business Park, and the retail developments near Hero Way East all saw significant build-out between 2017 and 2024. That means a large portion of Leander’s commercial buildings are in the 3-to-7-year age window where duct systems are old enough to have accumulated meaningful debris but new enough that building owners haven’t thought about cleaning yet.

Tomas Reyes built CleanRun around one operating principle: the customer should be able to verify every claim before agreeing to a price, and confirm every result after the work is done. That’s what the written scope, the photo record, and the 365-Day Done Right Promise are for. They’re not marketing language – they’re job deliverables.

CleanRun uses professional-grade equipment – Rotobrush for rotary agitation and Nikro for negative-pressure extraction – because the equipment affects the result, and the result is photographed. If the camera shows debris still adhered to the duct walls after a cleaning pass, the pass happens again. The 365-Day Done Right Promise means there’s no incentive to walk away from work that isn’t finished.

Background-checked, uniformed technicians operating under Haven Standard Clause 3: Verified Crews. The technician assigned to your job is identified by name before arrival. This applies to every commercial job in Leander, regardless of building size or job value.

Schedule a Commercial Duct Inspection in Leander

If your Leander commercial building hasn’t had a documented duct cleaning, or if you have a competitor’s written estimate and want a second number to compare it against, call (737) 252-1285. A live person answers every call. We’ll schedule a pre-job inspection, photograph the existing condition, and deliver a written price – before any equipment is set up and before you’ve committed to anything. The inspection is the starting point, and the written price follows from what the camera actually shows, not from a formula.

Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Leander, serving Leander.