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 San Diego, CA | Kestrel Air Duct San Diego
Air Duct Cleaning - San Diego for Lennox systems costs between $390 and $780 for most single-family homes, and we complete the work in one visit. Kestrel Air Duct San Diego is an independent Lennox service provider, not manufacturer-affiliated, and the thing that sets our Lennox work apart here is that we know what the marine layer and salt air actually do to these systems over time. Dale Whitmore, our owner, has been working on Lennox equipment across San Diego neighborhoods since before the company was founded in 2004. Call (619) 695-0424 for a free estimate.
Why San Diego Residents Choose Us for Lennox Service
We have disassembled and cleaned Lennox systems across San Diego for years, from original 1970s GCS packaged units to modern SL280V variable-speed furnaces. That depth matters because a Lennox system in Clairemont behaves differently than the same model in Santee, and a tech who does not know the difference will miss things. Our technicians are background-checked and uniformed, and they run Rotobrush rotary brush systems, Nikro negative-pressure extraction units, and Abatement Technologies HEPA filtration on every job. Negative-air extraction means a high-powered vacuum pulls debris out of the duct system rather than pushing it around, which is the only way to actually remove what is in there. Dale grew up in the San Fernando Valley, trained at Los Angeles Trade-Technical College, and spent nearly two decades doing duct work across Southern California before building Kestrel around written pricing, documented results, and the 365-Day Done Right Promise. You can reach us at Lennox sales & service if you want to understand how we approach the equipment side of things too.
Styles & brands we work with
Common Lennox Air Duct Cleaning Problems We Solve in San Diego
- Salt-air corrosion on older Lennox GCS packaged units. The galvanized steel cabinet seams on rooftop GCS packages from the 1970s and 1980s corrode in San Diego’s coastal neighborhoods, letting duct debris and moisture into the system. We see this constantly in Clairemont and Mira Mesa, where original units are still running.
- Dust-packed blower wheels on Elite Series furnaces. Variable-speed blowers like those in the SL280V pack fine dust from inland San Diego areas, which throws off airflow and trips limit switches. The blower wheel needs cleaning, not replacement, in most cases.
- Marine-layer mold on flex ducts at evaporator coils. Coastal San Diego mornings leave moisture sitting on flex ducts attached to Lennox evaporator coils. That moisture grows mold that clogs the coil and restricts airflow, especially in May and June.
- Rodent damage in canyon neighborhoods. Homes in Rancho Peñasquitos and other canyon-adjacent areas get rodents chewing through Lennox flex duct insulation. The perforations pull attic dust into the supply runs, and you will smell it before you see it.
- Collapsed original flex ducts in slab-on-grade homes. 1960s flex duct in Clairemont slab homes collapses after decades of salt air corrosion at hard elbows. One bedroom stops cooling, and that is often the only symptom the homeowner notices.
Lennox Service in San Diego: What Local Conditions Mean for Your Equipment
The June Gloom marine layer in coastal San Diego can keep Lennox duct interiors above 70% relative humidity for weeks at a time. We measure that moisture during video inspections, and it is a problem you will never see in El Cajon three miles inland where the air is hot and dry. That humidity works its way into the flex duct insulation, settles on the evaporator coil, and creates the exact conditions mold needs. Lennox systems in San Diego, particularly original Elite Series and Signature Series installs near the coast, carry more internal moisture than the same equipment running in inland zip codes. San Diego service area coverage means we are measuring this in real homes every week, from Mission Valley to La Jolla to Rancho Peñasquitos. The fix is not just cleaning the ducts. It is verifying the coil is dry, checking the flex duct for moisture saturation, and confirming the cabinet seals are intact so the problem does not come back in late spring when the marine layer returns.
Lennox Models & Products We Service in San Diego
We service the full range of Lennox equipment found in San Diego homes, including Elite Series gas furnaces like the SL280V variable-speed, Signature Series air conditioners like the XC21 two-stage, and Merit Series packaged units that are often original equipment in 1960s Clairemont slab homes. We also work on Lennox Healthy Climate whole-home filtration systems. For parts, we use OEM Lennox filters and media cabinets when the homeowner wants exact fit and warranty continuity. Otherwise we install equivalent aftermarket sheet metal, flex, and access panels that meet code. On duct repair, we never sell a full replacement if a targeted repair or sealing restores integrity. Our techs keep common Lennox filter sizes and media cabinet parts stocked on the truck for fast San Diego turnaround.
See the difference
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After
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Before
AfterLennox Service Pricing in San Diego
Whole-system air duct cleaning on a Lennox installation in San Diego typically runs between $390 and $780, depending on the number of returns, the length of the runs, and whether the evaporator coil needs cleaning. Video inspection is included in the estimate. What drives the cost higher is usually inaccessible ductwork, heavy mold remediation, or extensive rodent damage. What drives it lower is a straightforward system in good condition. Every price is written before work begins, under the Kingswell Guarantee. You will know the full number before a single vent is touched. For an exact quote on your Lennox system, call (619) 695-0424. Estimates are free.
Serving San Diego, CA - Our Local Coverage Area
We’re based in the San Diego 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 San Diego
The coastal marine layer keeps your duct interiors damp even while the outside air feels dry. In May and June, the morning fog pushes relative humidity above 70% inside flex ducts, and that is enough for mold to establish on the Lennox evaporator coil and the first few feet of supply runs. The fix is cleaning the coil and ducts, then verifying the cabinet seals so moisture is not drawn in. Call (619) 695-0424 to schedule a video inspection.
Yes, if the collapse is limited to a section of flex duct. We cut out the rusted or collapsed section, splice in new insulated flex with mastic-sealed connections, and restore airflow. We do not sell a full replacement when a targeted repair works. Last spring our tech opened an original Lennox GCS in a Clairemont slab-on-grade home where one bedroom was not cooling during a routine our Dryer Vent Cleaning in San Diego visit. Video inspection showed the 1960s flex had collapsed at a hard 90-degree elbow from salt air corrosion. We repaired it the same afternoon.
Yes. The SL280V and other variable-speed Elite Series blowers run at low speeds for long cycles, which means even moderate dust buildup on the blower wheel creates imbalance and noise. Cleaning the blower wheel and supply runs restores the quiet operation the variable-speed motor was designed for.
We inspect every run with video to find the perforations, remove the damaged flex, install new insulated flex with mastic-sealed connections, and confirm the supply runs are pulling clean air from the plenum. Then we advise on sealing entry points so the rodents do not return. The duct repair restores airflow; the sealing stops the repeat.
No. The evaporator coil sits directly in the airstream, and in San Diego’s marine layer it collects mold and debris that re-contaminate clean ducts within weeks. Cleaning the ducts without the coil is half a job. Our pricing includes coil cleaning when it is needed, and the written estimate tells you exactly what is covered before you pay anything.
Service Areas Near San Diego
We serve the full San Diego metro area, including Chula Vista, El Cajon, Encinitas, La Mesa, and Santee. For specifics on work south of the city, see Lennox service in Chula Vista. For inland coverage, see Lennox service in El Cajon. If you are in a canyon community, a coastal neighborhood, or a 1950s tract home, we cover it.
Book Your Lennox Service in San Diego Today
Call (619) 695-0424 and a live person answers, any time of day. We will schedule a video inspection, give you a written price before work starts, and back the job with the 365-Day Done Right Promise. Clean ducts are not exciting until you realize how much air your family breathes through them every day.
Written by Dale Whitmore, Owner at Kestrel Air Duct San Diego, serving San Diego since 2004.