Air Duct Cleaning in Fresno — One Price Per System, Agreed Before We Start

Air Duct Cleaning in Fresno, TX

Air duct cleaning in Fresno, TX typically costs $280–$550 for a full residential system and takes 3–4 hours to complete. We’re Lone Star Air Duct Cleaning Service Houston, and our team makes the run down Highway 6 to Fresno regularly — usually arriving within 45 minutes of your call. If you’re in the 77545 ZIP or anywhere near Sienna Plantation Road, we’ve already worked on homes in your neighborhood. Fresno’s unique combination of post-Hurricane Harvey flood legacy and extreme Gulf Coast humidity means duct cleaning here is often mold mitigation first, routine maintenance second. Owner Scott Gray leads every job personally, bringing 20 years of hands-on experience and professional-grade Rotobrush and Nikro equipment to every Fresno home. Call (855) 683-5929 for a free estimate.

Call (855) 683-5929

Why Fresno Homes Are Different

Fresno sits in low-lying Fort Bend County and was directly in the path of Hurricane Harvey’s catastrophic 2017 flooding. A significant portion of the community’s 1990s–2010s tract homes had return-air plenums and lower duct runs submerged in floodwater, leaving behind mold, sediment, and organic debris that many homeowners never had professionally remediated. This post-Harvey duct contamination legacy — layered on top of the area’s relentless Gulf Coast humidity — makes Fresno air duct cleaning a mold-mitigation service first and a routine maintenance service second.

The housing stock compounds the problem. Fresno is dominated by suburban tract homes built during Fort Bend County’s rapid southwestward expansion from Houston, almost universally using flex-duct systems routed through unconditioned attics. These sag at hangers, pull apart at connections, and trap moisture-laden air against the duct lining. Summer attic temperatures regularly exceed 130–140°F, creating severe condensation cycles every time the AC cycles on and off — conditions that accelerate mold colonization inside the fiberglass lining far faster than in drier inland Texas cities.

Air Duct Cleaning in Fresno

Our Air Duct Cleaning service in Fresno addresses a contamination profile we don’t see in other Houston-area markets. The 77545 ZIP routinely presents return-air boxes with a distinct grey-black sediment line marking the high-water mark inside the plenum — a sign the duct system was never properly remediated and is actively recirculating mold spores throughout the living space. Scott Gray inspects every system personally before work begins.

Residential Duct Cleaning

Fresno’s single-family homes — whether off FM 521 or near the Sienna Plantation border — share a common vulnerability: flex-duct systems baking in 130°F+ attics while pulling 70–90% humidity through every seam. Our residential cleaning addresses the full supply and return network, from the air handler to the farthest register. We pay special attention to the fiberglass lining inside flex duct, where mold colonizes faster here than in drier inland Texas cities. A typical Fresno home runs $280–$420 for complete residential duct cleaning.

Commercial Duct Cleaning

Fresno’s commercial growth along Highway 6 brings its own challenges. Retail and light industrial spaces here often use metal trunk lines with flex drops — systems that accumulate construction dust from ongoing area development plus the same humidity load as residential. We scale our Rotobrush and Nikro equipment to the job size, and Scott Gray personally inspects commercial systems for the corrosion patterns that high-humidity exposure accelerates. Commercial jobs in Fresno typically start at $450 and scale based on linear footage and access complexity.

How do I know if my ducts were contaminated by Harvey floodwaters?

Look for a grey-black sediment line inside your return-air plenum or visible water staining on duct insulation — the most reliable indicator that floodwater entered your system and was never properly remediated. In Fresno’s 77545 ZIP, we routinely open return-air boxes and find this exact mark. If your home was built between 1995 and 2015 and sits on slab construction, the risk is elevated. Call (855) 683-5929 and we’ll run a borescope inspection at no charge.

Dryer Vent Cleaning in Fresno

Dryer vent cleaning in Fresno typically runs $150–$275 for a standard single-family home. We’re usually on-site within 45 minutes to an hour for Fresno calls, whether you’re off 521 near Sienna Plantation or deeper into the 77545 ZIP. Scott Gray leads every job personally, and we’ve been working the Fort Bend County tract-home market long enough to know which 2005–2015 builds have the vent runs that fail first. Our Dryer Vent Cleaning service addresses a hidden fire hazard that Gulf Coast humidity makes worse.

Vent Cleaning & Lint Removal

Standard vent cleaning in Fresno runs $150–$225 and covers the full run from dryer to exterior cap, including the transition duct behind the unit. We use Nikro HEPA vacuum extraction paired with rotary brushing — not compressed air, which can pack lint into corners or damage compromised flex duct. For homes with post-Harvey sediment contamination, standard cleaning may not be sufficient; we’ll tell you if we’re seeing grey-black particulate that indicates flood debris, and we’ll quote replacement sections if needed. The Gulf Coast humidity here means lint traps moisture, compacts into dense blockages, and creates mold growth that spreads into the laundry room.

Vent Rerouting

Many local homes had dryer vents routed through crawlspaces or attics that flooded during Hurricane Harvey, leaving behind sediment and mold that standard cleaning cannot always remove without duct replacement. Rerouting a vent to a clean, dry path — often through an interior wall to an exterior gable — costs $400–$750 in Fresno, depending on run length and access. We serviced a 2005-built home where the dryer vent ran through an unconditioned attic; the homeowner complained of persistent musty odors and longer dry times. Rerouting eliminated both problems permanently.

My Fresno home was built in 2008; do I need a dryer vent inspection after Hurricane Harvey?

Yes — if your home took floodwater or sits in the 77545 floodplain, you need an inspection regardless of build year. Many 2008-built homes in Fresno had duct runs, crawlspaces, or lower plenums submerged during Harvey, and the contamination wasn’t always professionally remediated. Our Rotobrush camera inspection will show you exactly what’s inside your vent run. Call (855) 683-5929 to schedule — estimates are free.

HVAC Cleaning in Fresno

HVAC cleaning in Fresno, TX typically runs $180–$550 depending on which components need service. Owner Scott Gray leads every job personally, bringing two decades of hands-on experience to homes throughout the 77545 ZIP. The Harvey sediment legacy and extreme attic conditions here mean HVAC components work harder and fail faster than in drier markets — cleaning isn’t just about efficiency, it’s about removing contamination sources that standard filter changes never reach. Our HVAC Cleaning service targets the components where Fresno’s climate does the most damage.

Evaporator Coil Cleaning

The evaporator coil is where Fresno’s humidity problem becomes a mold problem. When attic temperatures hit 140°F and your AC cycles on, the temperature differential creates condensation that coats the coil in biological film. In Harvey-impacted homes, we’ve found coils pulling double duty — cooling air and trapping flood-borne spores that settled in the plenum years ago. Our coil cleaning removes that buildup with foaming agents and low-pressure rinsing, then we apply coil treatment to slow regrowth. A clean coil in Fresno can drop your energy bill 15–20% because it doesn’t have to fight through insulating biofilm. Evaporator coil cleaning runs $180–$280.

Blower Cleaning

The blower motor and wheel sit downstream from everything — filters, coils, return plenums — which means every particle that makes it past ends up here. In Fresno’s salt-air environment, that moisture-laden dust corrodes blower housings and throws off balance. We’ve pulled blower assemblies from 2010-era Fresno tract homes where the wheel blades were caked with a quarter-inch of grey-black sediment, the exact same material lining the return box below. After cleaning and rebalancing, airflow improves immediately. Homeowners notice the difference in rooms that never cooled evenly before. Blower cleaning runs $150–$220.

Why do my ducts keep getting moldy despite regular filter changes?

Filters only catch what passes through them — they don’t address the root cause, which in Fresno is usually condensation inside flex-duct from 140°F attic temperatures meeting 55°F conditioned air. The fiberglass lining stays damp for hours after each cycle, and mold colonizes within days. Coil treatment and proper blower cleaning reduce the moisture load, but persistent cases may need duct sealing to prevent attic air infiltration. We diagnose this during our free inspection — call (855) 683-5929.

Duct Repair & Sealing in Fresno

Duct repair and sealing in Fresno, TX typically costs $180–$650 depending on the scope, with most flex-duct repairs completed in one visit and full system sealing taking one to two days. If you’re catching musty odors, uneven cooling, or spiking energy bills in your Fresno home, there’s a fair chance your ductwork has separated at connections or lost its seal to attic humidity. Our Duct Repair & Sealing service fixes the physical failures that cleaning alone cannot address.

Flex Duct Repair

Fresno’s housing stock is flex-duct heavy, and flex duct fails predictably here. The fiberglass lining traps moisture from Gulf Coast humidity. Attic heat weakens the plastic hangers. Connections pull apart. We recently worked on a 2006 tract home near Autumn Grove Boulevard where the flex-duct system had sagged at hangers and pulled apart at connections, trapping moisture. The homeowner reported musty odors and worsening allergies. Using Rotobrush equipment, we sealed the separated joints with mastic, replaced two collapsed flex runs, and applied new insulation to prevent condensation cycling. Single flex-duct repair or replacement runs $180–$340.

Duct Sealing with Mastic

Mastic sealant is our primary sealing method for Fresno homes because it outlasts tape in your climate. Standard foil tape degrades in 130–140°F attic heat; mastic remains flexible and airtight. We apply it to every joint, seam, and connection in your duct system, including the return-air plenum where Harvey sediment has compromised the original seal. A typical mastic sealing job for a Fresno single-story runs $280–$450. For full system flex-duct replacement with sealing, expect $1,200–$2,800 depending on home size and accessibility.

I live in Fresno and my house flooded during Harvey. Should I replace or repair my ductwork?

If your return-air plenum shows the grey-black sediment line we commonly find in 77545 homes, replacement of the affected sections is usually necessary — standard cleaning won’t remove embedded flood residue. We replace contaminated plenums and downstream flex runs, then seal the new connections with mastic to prevent recontamination. Call (855) 683-5929 and we’ll inspect for the sediment marker at no charge.

Air Quality & Sanitizing in Fresno

Air duct sanitizing in Fresno typically runs $350–$850 depending on contamination level, with mold treatment and UV light installation adding $200–$600 more. Most Fresno homes need more than a standard cleaning — they need remediation for flood damage that’s still hiding in the ductwork. Our Air Quality & Sanitizing service targets the biological contamination that standard maintenance cannot touch.

Mold Treatment

Fresno’s mold problem isn’t surface-level. In a neighborhood off FM 521, we opened a return-air box in a 2006 home that had three feet of Harvey floodwater in the crawlspace. The grey-black sediment line inside the plenum was still visible, and the flex-duct lining was riddled with black mold. We used a Rotobrush with HEPA filtration and applied a Guardsman EPA-registered antimicrobial to kill the spore load, then installed a Honeywell UV light in the main return to prevent regrowth. Mold treatment with mechanical removal and antimicrobial application runs $450–$900 in Fresno.

UV Light Installation

For homes with recurring mold issues, UV-C light at the coil and return plenum provides continuous suppression between cleanings. We install Honeywell units starting at $400, with most residential placements falling in the $400–$750 range. Properly mounted at the plenum and coil — not inside long duct runs — these units concentrate germicidal exposure where microbial load is highest without generating enough heat to degrade flex-duct materials. In Fresno’s 130°F attics, the lamp surface temperature is irrelevant compared to the ambient thermal stress already present.

What’s the grey-black sediment line inside my return-air plenum in Fresno?

It’s the visible high-water mark from Hurricane Harvey’s 2017 flooding, and it means your duct system was never professionally remediated. That sediment contains organic debris, mold spores, and bacterial colonies that recirculate into your living space every time the AC blower activates. We see this in roughly 30% of pre-2010 Fresno homes we inspect. Call (855) 683-5929 — we’ll scope it free and give you a remediation quote.

Brands We Service in Fresno

We maintain and install equipment from Honeywell, Aprilaire, and Guardsman — brands specified for the thermal stress and humidity load of Gulf Coast attics. We stock common fittings, UV lamps, and vent caps on our service van, so most Fresno repairs don’t require a return trip. See our brands for full compatibility details.

Pricing for Air Duct Cleaning in Fresno, TX

Neighborhoods We Serve in Fresno

We work throughout the 77545 ZIP and surrounding Fort Bend County areas, with most Fresno appointments reachable within 45 minutes of your call.

• Silvercreek
• Autumn Grove
• Thompson Crossing
• Sienna Plantation area
• FM 521 corridor

Service Area — Cities Near Fresno

We serve Fresno, TX as our primary Fort Bend County market, with regular routes to Sienna Plantation, TX, Missouri City, TX, Manvel, TX, Stafford, TX, and Pearland, TX. Scott Gray handles the routing personally, so if you’re near any of these city limits, we’ll confirm coverage when you call.

FAQs About Air Duct Cleaning in Fresno