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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AfterFast, Reliable Air Duct Cleaning Across Cloverleaf
Air duct cleaning in Cloverleaf, TX typically runs $350 – $650 for a full residential system and $800 – $1,400 for commercial jobs, with most homes completed in a single scheduled visit. We dispatch crews to Cloverleaf from our Houston coordination office, and we’ve worked the slab ranches off Sheldon Road, the neighborhoods near the San Jacinto Battleground, and the older developments along Uvalde Road long enough to know what hides in their ductwork. If your vents push a musty, chemical-tinged smell after hard rain or Ship Channel odor events, that’s not ordinary household dust. It’s moisture-saturated insulation and corroded galvanized steel. Call (361) 326-5060 for a free estimate with a written price before any work starts.
Why Hollis Air Duct Cleaning Is Cloverleaf’s Preferred Air Duct Cleaning Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our crews have cleaned ductwork in Cloverleaf’s 1960s – 1980s ranch homes for years. The Garrison Standard means we arrive inside the quoted window, price the job in writing before touching equipment, and leave the site clean. Every job carries our 365-Day Done Right Promise: if the work fails within a year, we return and make it right at no charge, including a free second visit.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops, no callback queues, no waiting until Monday for scheduling.
We don’t compete on teaser coupon prices. We compete on discipline: show up when we said, price it before we touch it, do it by the book. That’s The Garrison Code, and it’s how our Air Duct Cleaning team operates on every Cloverleaf job.
Air Duct Inspection in Cloverleaf
Air Duct Inspection in Cloverleaf starts with a video camera run through your supply and return lines, focused on what Gulf Coast humidity does to older galvanized steel ductwork. Most Cloverleaf homes were built between the 1960s and 1980s on slab foundations with original metal trunk lines that corrode from the inside out. Our inspection identifies rust flakes, saturated insulation, pinhole leaks, and microbial growth on the coil fins before any cleaning begins. A residential inspection runs $150 – $250; commercial systems start at $300.
What We Document on Camera
We record the condition of your trunk lines, branch runs, and air handler in high-resolution video you can review with the technician. In Cloverleaf, we commonly find insulation soaked from roof leaks or slab moisture wicking upward during heavy rain events. The camera doesn’t lie, and the footage becomes your baseline for deciding what level of cleaning or repair the system actually needs.
Inspection Reports with Written Recommendations
After the camera run, you get a written report with still images and a flat-price quote for any recommended work. No estimates that balloon once we’re inside. The price on the report is the price at the door.
Residential Air Duct Cleaning in Cloverleaf
Residential Air Duct Cleaning in Cloverleaf addresses a problem most homeowners don’t expect: moisture and microbial growth, not loose dust. The area’s humid subtropical climate keeps relative humidity above 70% for months, and the industrial petrochemical corridor adds chemical-laden particles to the air your HVAC pulls through the returns. A standard cleaning here means source removal with professional-grade equipment, not a surface wipe of visible registers. Full system cleaning for a typical Cloverleaf ranch home runs $350 – $650, depending on system size and contamination level.
Source Removal vs. Fogging Upsells
We use Rotobrush rotary brush systems and Nikro negative-air machines with HEPA filtration to physically remove rust flakes, mold, and saturated insulation from your ductwork. This is source removal. Fogging “sanitiser” treatments that mist chemicals through the ducts without agitation or extraction only mask odors for a few weeks. The rust and moisture stay put. Humidity brings the smell back. We don’t sell fogging as a standalone solution because it doesn’t solve the actual problem in Cloverleaf homes.
Sealing Pinhole Leaks in Galvanized Trunk Lines
Original galvanized steel ductwork in Cloverleaf’s older ranches develops pinhole corrosion that pulls attic air and garage fumes into your living space. During cleaning, we identify accessible leaks and seal them with duct mastic rated for HVAC systems. This isn’t a separate upsell. It’s part of doing the job by the book when we’re already inside the system.
Trusted Brands We Service in Cloverleaf
We carry professional-grade equipment and filtration products from Nikro, Honeywell, Aprilaire, and Abatement Technologies. These are the same tools commercial crews use on industrial sites, not hardware-store vacuums with brush attachments. For Cloverleaf homeowners, this means we stock replacement filters, media, and sealing materials locally, so there’s no delay waiting for parts to ship from a warehouse. Our Nikro negative-air machines maintain controlled suction during cleaning, capturing dislodged debris instead of redistributing it through your home. Honeywell and Aprilaire filtration upgrades are available for homeowners who want better particle capture after the ductwork is clean, particularly useful in refinery-adjacent areas where fine particulate loads run higher than inland markets.
Common Air Duct Cleaning Problems We See in Cloverleaf Homes
- Corroded galvanized steel trunk lines shedding rust flakes into branch runs. The original ductwork in Cloverleaf’s 1960s – 1980s slab ranches corrodes from the inside out where humidity condenses on metal surfaces. Rust flakes break loose and distribute through supply vents, appearing as reddish-brown dust on registers.
- Insulation saturated from slab moisture and roof leaks. Gulf Coast humidity above 70% for months, combined with hard rain events, wicks moisture into duct insulation. Once saturated, insulation harbors mold and releases a musty, chemical-tinged odor when the HVAC cycles.
- Compressed-air blowouts without negative pressure or HEPA capture. Some low-price operators blow shop air through corroded ducts, knocking rust and microbial growth loose into the living space. Our Nikro rigs run under continuous negative pressure with HEPA filtration so debris leaves the house, not your lungs.
- Skipped air handler and blower motor cleaning. Gulf Coast humidity condenses on coil fins first, making the air handler the primary mold colonization site. Cleaning only reachable supply registers misses the source of recontamination.
Pricing for Air Duct Cleaning in Cloverleaf, TX
A typical residential full-system cleaning in Cloverleaf runs $350 – $650 for a single HVAC system, with most slab ranch homes falling in the $400 – $550 range. Commercial duct cleaning starts at $800 and scales with system complexity. Air Duct Inspection runs $150 – $250 residential, $300+ commercial. Dryer vent cleaning, often scheduled alongside duct work, adds $120 – $180.
What moves the price: system size (single vs. multiple units), accessibility of duct runs in attic or crawl spaces, level of contamination requiring additional agitation passes, and whether pinhole sealing or coil treatment is needed. We do not quote per-vent pricing. One flat price per system, agreed in writing before work starts. No charges added at the door.
Every estimate is free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Cloverleaf
Our crews clean ductwork throughout the region, including Cloverleaf and surrounding markets. We regularly schedule jobs in Houston, San Antonio, Dallas, and Fort Worth, with dispatch coordinated from our Houston office to maintain consistent arrival windows and equipment availability across the service area.
Serving Cloverleaf, TX - Our Local Coverage Area
We’re based in the Cloverleaf area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Cloverleaf
The smell comes from moisture-saturated duct insulation and corroded galvanized steel, not loose dust. After hard rain or Ship Channel odor events, humidity pushes above 70% for extended periods, and the original ductwork in Cloverleaf’s older ranches wicks that moisture into insulation. The petrochemical corridor adds chemical-laden particles that bond with wet surfaces. A surface cleaning won’t reach it. Source removal with negative-air extraction and coil treatment does. Call (361) 326-5060 for an inspection.
Yes, most likely. Original galvanized steel ductwork in these homes corrodes from the inside out, and slab foundations wick ground moisture upward during wet seasons. A standard cleaning for a Cloverleaf ranch should include trunk line inspection for pinhole leaks, rust flake removal with rotary agitation, and sealing accessible leaks with duct mastic. Skipping these steps leaves the real contamination source in place. We price this as one flat fee per system, not a menu of add-ons.
No, not as a standalone service. Fogging masks odors for a few weeks but does not remove rust flakes, saturated insulation, or microbial growth from the duct walls. In Cloverleaf’s humidity, the moisture source remains, and the smell returns. We only apply antimicrobial treatments after physical source removal with Rotobrush agitation and Nikro negative-air extraction, and we tell you honestly when it’s unnecessary. Don’t pay for fogging instead of cleaning.
Cloverleaf’s proximity to the Houston Ship Channel and regional refineries means outdoor air carries higher loads of fine particulates and volatile organic compounds. These particles accumulate in ductwork and bond with moisture on coil fins and insulation, creating a different contamination profile than inland dust. Standard residential cleaning equipment often lacks the suction power and filtration to capture these smaller particles. Our Nikro negative-air machines with HEPA filtration are specified for this environment.
A real cleaning includes video inspection, rotary brush agitation of supply and return ducts under continuous negative pressure with HEPA capture, air handler and blower motor cleaning, coil treatment, and sealing of accessible pinhole leaks in galvanized trunk lines. We run a post-job camera inspection to verify results. The 365-Day Done Right Promise covers everything in writing. If the musty smell returns or a leak reopens, we come back at no charge. Call (361) 326-5060 for a written quote.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Cloverleaf since 2004.