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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AfterLennox Air Duct Cleaning in Houston, CA | Morton’s Air Duct Cleaning
Lennox air duct cleaning in Houston typically runs between $450 and $900 for a full system clean, depending on home size and how long it’s been since the last service. We’re independent Lennox specialists, not a manufacturer affiliate, and we’ve worked on hundreds of Lennox systems across Houston’s older flex-duct housing stock. The thing that sets our Lennox work apart here is simple: we know what Houston’s attic heat and humidity do to these specific duct runs, and we quote one written price before anything starts. Call (323) 918-4345 for a free estimate.
Why Houston Residents Choose Us for Lennox Service
Most Air Duct Cleaning - Houston companies treat every system the same. We don’t, because a Lennox system in a Houston attic behaves differently than the same model would in a drier city. Paul Adeyemi, our owner, grew up in Inglewood and has spent the better part of two decades inside ventilation systems across the Los Angeles basin, with hands-on HVAC training from Los Angeles Trade-Technical College behind him. Before we start, let me show you exactly what we found and exactly what it will cost to fix it. That’s how Paul runs every Lennox job, and it’s why Houston families with kids and pets keep our number.
We’re part of the Cedarwell family, which means every visit carries the Cedarwell Care Promise: shoe covers and drop cloths in the house before tools come out, quiet equipment when a toddler is napping, and a written price before any work begins. Our technicians are background-checked, uniformed, and they use Rotobrush and Nikro equipment, not rental gear. Every completed job includes a photo of the clean-up before the crew leaves, and a live person answers our phone 24/7. If it’s not done right, the 365-Day Done Right Promise means we make it right.
Common Lennox Air Duct Cleaning Problems We Solve in Houston
- Flex duct liner tears from attic heat cycling: Lennox Merit Series and Elite Series systems installed in Houston attics sit through 140 to 160 degree Fahrenheit summer cycles. That heat breaks down the interior liner of flex duct, causing tears that leak conditioned air into the attic and pull dusty attic air back into the house. We find this constantly in homes built during Houston’s 1970s through 2000s building boom.
- Condensation and mold inside ductwork: Houston’s humidity regularly sits above 75 percent RH year-round. When a Lennox system cycles off at night, warm attic air seeps into leaky flex-duct connections and condenses on the cooled liner. That moisture feeds mold between service visits, and ductwork in unconditioned attics rarely dries out enough to stop it.
- Floodwater contamination after Harvey and subsequent storms: In repeatedly flooded Houston neighborhoods like Meyerland along Brays Bayou, we open Lennox duct runs and find organic silt and mold colonies from Hurricane Harvey still embedded in the liner. Wall remediation alone leaves the duct system as the remaining active mold source in the house.
- Evaporator coil buildup from continuous operation: Houston’s 10-to-11-month cooling season means Lennox air handlers run almost nonstop. Allergens, mold spores, and particulate accumulate far faster than in seasonal climates, and the evaporator coil becomes a sticky collection point that restricts airflow and degrades what the Lennox system was designed to deliver.
- Disconnected or sagging flex duct at support points: Repeated heat cycling in Houston attics causes flex duct to sag between supports and separate at joints. We regularly find runs that have pulled apart entirely, meaning a room you’re paying to cool is getting no conditioned air at all.
Lennox Service in Houston: What Local Conditions Mean for Your Equipment
Here’s the one fact about Houston that changes everything for Lennox owners: your cooling season runs 10 to 11 months a year, which means your duct system essentially never gets a dry-out period. In places like Dallas or Phoenix, ducts get weeks of low-humidity downtime each year. In Houston, the system cycles off during high-humidity nights, warm attic air infiltrates leaky connections, and condensation forms on the cooled liner almost immediately. Then the system kicks back on and the cycle repeats. We see it in Garden Oaks, the Heights, and Meyerland alike: Lennox flex duct that looks fine from the outside but carries a persistent musty smell because the liner has been wet, warm, and feeding mold for years. That’s not a generic duct cleaning problem. That’s a Houston problem, and it requires someone who understands both the Lennox equipment and the attic conditions it runs in.
Lennox Models & Products We Service in Houston
We clean and repair duct systems attached to all major Lennox residential lines: the Merit Series, Elite Series, and the Dave Lennox Signature Collection. We’ve also worked on older Lennox CompleteHeat systems, which are less common now but still present in some original-condition Houston homes. When repairs call for parts, we use OEM Lennox components when they’re readily available and cost-effective. For older or discontinued models where OEM parts are backordered or priced unreasonably, we use high-quality aftermarket parts that meet or exceed OEM specifications. We stock common flex duct sizes, mastic sealant, and replacement register boxes locally so Houston turnaround stays quick, and we’ll always tell you honestly whether repairing your existing Lennox ductwork makes sense or replacement would serve you better long-term. For broader system care, see our Lennox sales & service page.
Lennox Service Pricing in Houston
Here’s what honest Lennox air duct cleaning in Houston costs, written plainly so you can plan before you call:
- Full system cleaning (single system, typical 3-4 bedroom Houston home): $450 to $650, including supply and return ducts, registers, and air handler interior.
- Full system cleaning plus evaporator coil cleaning: $600 to $900, depending on coil access and buildup.
- Flex duct repair or replacement (per section): $85 to $250, quoted per section after inspection, never per vent.
- Flood contamination remediation: Quote after inspection; this involves liner replacement in affected runs and is priced per job, not per vent.
What drives the price in Houston? Attic access, how much flex duct needs repair versus cleaning, and whether floodwater or heavy mold is present. What doesn’t drive it: per-vent gimmicks. We quote one flat price per system, agreed before work starts. Every estimate is free. Call (323) 918-4345 for an exact quote on your Lennox system.
Serving Houston, TX - Our Local Coverage Area
We’re based in the Houston 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 - Lennox Air Duct Cleaning in Houston
Almost certainly yes. Houston’s year-round high humidity, combined with ductwork in unconditioned attics that hit 140 to 160 degrees in summer, creates a condensation cycle inside flex duct that feeds mold and mildew. A musty smell when your Lennox system runs is usually the liner holding moisture and organic growth. We can inspect the runs and tell you whether cleaning alone will solve it or whether liner replacement is needed. Call (323) 918-4345 for an inspection.
Yes, and this is work we’ve done repeatedly in Meyerland, Kingwood, and other Houston flood-prone areas. Floodwater carries silt, sewage bacteria, and mold spores that embed in flex duct liner. Cleaning alone is often not enough; contaminated liner sections need replacement. In Meyerland, we opened a Lennox system’s flex duct runs and found liner still holding organic silt and mold from Hurricane Harvey, even though the homeowners had remediated their walls. We performed a full system cleaning, replaced damaged flex duct sections, and sealed connections with mastic, eliminating the remaining mold source. If your home flooded and you never had the ducts addressed, call (323) 918-4345 for an inspection quote.
In Houston, every 3 to 4 years is typically right, versus every 5 to 7 years in drier climates. Your system runs nearly year-round and pulls in more allergens, mold spores, and dust than a seasonal system would. Homes with pets, kids with allergies, or post-flood history should consider cleaning every 2 to 3 years. We’ll give you an honest recommendation based on what we find, not a calendar. Call (323) 918-4345 to schedule an inspection.
We use OEM Lennox parts when they’re readily available and cost-effective, which covers most current Merit Series, Elite Series, and Signature Collection systems. For older or discontinued models, OEM parts can be backordered or disproportionately expensive, so we use high-quality aftermarket components that meet or exceed OEM specifications. Either way, we show you the part, the price, and the reason before we install it.
Seal every duct connection with mastic and make sure flex duct is properly supported so it doesn’t sag and pool condensation. In Houston’s humidity, gaps and sagging are the two biggest mold feeders. After that, regular inspections catch liner tears before they become mold sources. We seal and support every run we touch, which is why our Houston Lennox cleanings last longer than our Dryer Vent Cleaning in Houston basic wash-and-go.
Service Areas Near Houston
Our Houston service area covers the city and surrounding neighborhoods. We also serve Houston service area communities across the greater metro, and our sister teams handle Lennox service in Queens and Lennox service in Manhattan for Northeast clients.
Book Your Lennox Service in Houston Today
Ready for a clean Lennox duct system and a written price before anything starts? Call (323) 918-4345 for a free estimate. We’ll inspect your Houston ductwork, show you what we found, and tell you exactly what it will cost to put it right.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving Houston since 2005.