Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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.
Lennox Air Duct Cleaning in Miramar, CA
We provide independent Lennox air duct cleaning and repair across Miramar, and the thing that separates our work here is simple: we know what two decades of coastal air does to a Lennox air handler sitting in a low-clearance 92126 attic. If your system pulls marine-layer dust through crushed flex duct and a fouled blower wheel, cleaning alone won’t fix it. Call Reed Calloway and the Maple Air Duct crew at (855) 338-0352 and we’ll diagnose the whole run, not just the register.
Why Miramar Residents Choose Us for Lennox Service
Reed Calloway grew up in Carmel Valley Village and spent most of two decades pulling duct work apart before he started Maple Air Duct. He learned HVAC and mechanical fundamentals in the hands-on lab at MiraCosta College, which is where he picked up the habit of doing work by the numbers rather than by feel. That’s the approach we bring to every Lennox system in Miramar: we camera-verify every main trunk line, we measure airflow at the plenum, and we don’t call a job done until the camera shows clean metal. We’re not affiliated with or authorized by Lennox, but we stock Lennox-compatible components and we’ve spent years learning the specific ways these air handlers and furnaces fail in Miramar’s tract housing. If you’ve got a Lennox in a 1980s Mira Mesa townhome, chances are we’ve serviced its twin down the street. Read more about our broader Lennox sales & service expertise, or if you’re just checking coverage, our Miramar service area page has the full picture.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Lennox Air Duct Cleaning Problems We Solve in Miramar
- Crushed flex returns starving the blower. The original builder-grade flex duct in Miramar’s 1970s-90s attics gets routed tight against roof decking, and afternoon heat softens it enough to collapse. A Lennox variable-speed blower pulls harder against restriction, overheats, and burns out early. We replace the crushed run and seal the plenum so the blower isn’t fighting the system.
- Marine-layer dust caked on blower wheels. Coastal air in 92126 carries fine salt-laden particulates that settle on Lennox blower wheels and evaporator coils faster than typical inland dust. The result is reduced airflow and higher static pressure. We pull and clean the blower assembly, not just the ducts feeding it.
- Leaky return plenums pulling attic air. Lennox air handlers in Mira Mesa-era homes often have undersized or poorly sealed return plenums. That means your system is pulling unfiltered attic air, complete with dust, insulation fibers, and whatever else lives up there, directly into the cabinet. We mastic-seal the connections and verify with a smoke test.
- Degraded condensate pans and cabinet insulation. The hot, low-clearance attics across Miramar bake older Lennox CBX-series units. The drain pan cracks, the cabinet insulation breaks down, and moisture streaks feed microbial growth that makes ducts smell musty. We inspect the pan and cabinet on every cleaning call and flag it before it becomes a ceiling stain.
- Heat exchanger concerns on 1990s Merit furnaces. A leaky duct system in a coastal attic pulls moisture across the heat exchanger every cycle. Over 25 years, that can create corrosion or hairline cracks on a Lennox Merit gas furnace. We check for visible rust and stress points during duct service and recommend a full inspection if anything looks concerning.
Lennox Service in Miramar: What Local Conditions Mean for Your Equipment
Miramar’s 92126 ZIP is dominated by dense 1970s-80s tract clusters, especially around Mira Mesa and the Mira Mesa-adjacent portions of Miramar Ranch. These homes were built fast during the aerospace and military growth years, and most still run their original builder-grade flex duct in attics with seriously low clearance. On a hot inland afternoon, that attic space bakes. The flex duct routed tight against the roof decking softens, sags, and eventually crushes or disconnects at the collar. A Lennox variable-speed air handler, like the CBX40UHV in the Dave Lennox Signature Collection, doesn’t tolerate restricted return airflow. It pulls harder, runs hotter, and the ECM blower motor fails years before it should. We find this pattern on nearly every older Mira Mesa home we open up. If your upstairs bedrooms never cool evenly and your energy bills climb every summer, there’s a good chance the problem isn’t the Lennox equipment, it’s the ductwork feeding it. On a 1980s tract home off Camino Ruiz, our crew found a Lennox CBX27UH with a crushed flex return and a blower wheel caked in marine-layer dust. We replaced the run, mastic-sealed the plenum connections, and cleaned the coil. The homeowner called back a week later to tell us the back bedrooms held temperature for the first time in years. That’s the kind of fix a basic duct cleaning company misses because they never look past the register.
Lennox Models & Products We Service in Miramar
We work on Lennox residential systems across the board, including Sorrento Mesa Lennox service calls, for: Merit Series gas furnaces like the ML195 and ML296, Elite Series air handlers including the CBX27UH and CBX32MV, Dave Lennox Signature Collection variable-speed units like the CBX40UHV, and the 13ACX and XC14 air conditioners paired with matching indoor coils. For critical components, blower motors, drain pans, heat exchanger gaskets, we use OEM Lennox-compatible parts whenever available. For the duct system itself, we install quality aftermarket flex duct, mastic, and insulation rated for the job. If your Lennox air handler or furnace is past 15 years old and the ductwork needs major sealing work, we’ll give you a straight repair-versus-replace conversation. Sometimes a modern sealed system makes more financial sense than patching old duct runs every year.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Miramar
Air duct cleaning for a typical Miramar single-family home runs between $450 and $900 depending on system size, number of returns, and how much access your attic allows. Homes with two Lennox systems, common in some of the larger Miramar Ranch floor plans, will land on the higher end. If we find crushed flex or disconnected runs during the cleaning, repair work is quoted separately before we touch anything. Evaporator coil cleaning usually adds $200 to $400 depending on accessibility. A free estimate means we actually look at your system, measure the runs, and give you one number per system before any work starts. You’ll see before-and-after camera photos of your own ducts, not stock images. Call (855) 338-0352 for an exact quote for your Miramar home.
Serving Miramar, CA – Our Local Coverage Area
We’re based in the Miramar 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 Miramar
Almost certainly, and it’s the first thing we check on Lennox systems in Miramar’s older tract homes. The CBX27UH uses a fixed-speed motor, but it still can’t overcome crushed or disconnected flex runs in a low-clearance attic. Uneven cooling between front and back bedrooms is the classic signature of a collapsed return or a duct that’s pulled off its collar. We camera the trunk lines and measure airflow before recommending any cleaning. Call (855) 338-0352 and we’ll find the restriction.
About every 3 to 5 years for most Miramar homes, and more often if you live closer to the coast or have pets. That’s why we offer our Air Duct Cleaning in Miramar on a schedule that fits your conditions. The marine layer in 92126 adds salt and fine particulates to the dust load that inland neighborhoods don’t get. If you’ve had wildfire smoke seasons, renovate, or have heavy renter turnover, push that interval shorter. The best check is simple: pull a register and look at the duct wall. If there’s visible debris, it’s due.
No. Duct cleaning, when done properly with the right equipment, doesn’t void a Lennox warranty. The manufacturer’s warranty covers defects in materials and workmanship, not maintenance. Just make sure whoever does the work uses negative-air or truck-mounted equipment, not a repurposed shop vac. We run Rotobrush and Nikro systems, the same professional-grade gear used in commercial and remediation work, and we pair duct cleaning with Dryer Vent Cleaning in Miramar when needed.
It looks like a hairline separation or rust line along the seams of the heat exchanger, usually visible when the furnace cabinet is open and the burner is firing. In a 1990s Lennox Merit furnace that’s been pulling coastal moisture through a leaky duct system, corrosion weakens the metal over time. A cracked heat exchanger can leak carbon monoxide into the home. That’s a safety issue, not a cleaning issue. If you suspect it, call (855) 338-0352 and we’ll inspect the furnace before doing any duct work.
Yes, in most cases. We mastic-seal accessible connections at the plenum, register boots, and any visible joints, and we replace crushed flex runs individually rather than tearing out the whole system. A Lennox variable-speed blower, like those on the Signature and Elite lines, responds well to proper sealing because it’s designed to modulate against static pressure. If the duct system is completely shot, we’ll tell you that too and quote a full replacement, but sealing usually solves the problem without that cost.
Service Areas Near Miramar
Our Lennox duct cleaning and repair work covers Miramar and the surrounding communities, including Scripps Ranch to the east, Sabre Springs further up the 15, and the coastal neighborhoods of Carmel Valley and Del Mar Heights. We also serve Sorrento Mesa, Torrey Highlands, and University City for homeowners and property managers with Lennox systems in the same era of housing stock.
Book Your Lennox Service in Miramar Today
You’ve lived with uneven cooling and dusty registers long enough. We’ll camera-verify your trunk lines, show you what’s actually in there, and fix what’s broken before we call it done. If the camera shows it’s clean, it’s clean. If it doesn’t, we’re not done. Call (855) 338-0352 to schedule a free estimate for your Lennox system in Miramar.
Written by Reed Calloway, Owner at Maple Air Duct, serving Miramar and the surrounding San Diego communities.