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 Crestline, CA
We provide independent Lennox air duct cleaning across Crestline, and the thing that makes our work here different comes down to what the mountain actually does to a system. Crestline cabins sit at 4,600 feet, which means pine pollen in spring, wildfire smoke in summer, and months of vacancy that let rodents and moisture settle into ductwork. If you own a Lennox system up here, you’re not dealing with ordinary household dust. You’re dealing with what the forest pushes into your return ducts. Call Lionheart Air Duct Cleaning at (855) 356-4382 for a free estimate.

Why Crestline Residents Choose Us for Lennox Service
We work on Lennox equipment in Crestline every week, and that repetition matters. Roland Cifuentes, our owner, grew up near San Bernardino and has spent nearly three decades watching the Inland Empire’s heat and wildfire smoke tear through local ductwork. He knows a Lennox G61MPV furnace from a G71MPP by the way the cabinet breaks down, and he knows which coil slabs in older A-frames are going to be packed with pine needles before the vent cover even comes off.
We are not a manufacturer service arm. We are an independent company that happens to have deep hands-on time with Lennox residential and light-commercial systems, from older Merit series splits still running in mid-century cabins to variable-speed Dave Lennox Signature Collection air handlers in rebuilt homes. You can also see our broader Lennox sales & service scope. For Crestline specifically, we understand what months of vacancy do to a return plenum.
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 Crestline
- Rodent nesting and droppings in the return plenum. Vacant Crestline cabins give mice and pack rats a quiet place to build. We routinely find Lennox air handlers with the return side loaded with nesting material pressed right against the evap coil face. That is not a filter problem, it is a biological contaminant problem.
- Pine needle accumulation in return ducts after spring drop. Crestline sits inside the San Bernardino National Forest. When pines shed, the needles get pulled into return runs, especially in cabins with crawl-space ducting and loose return grilles. A Lennox blower will happily grind that material into dust and push it through the supply side.
- Mildew growth on cased coils from freeze-thaw condensation. Winter snowmelt and spring freeze-thaw cycles wick moisture through poorly insulated flex runs. The inside of the duct liner stays damp for weeks, and the Lennox coil drain pan sits right in that environment. Mildew forms, then gets pushed into living space on startup.
- Wildfire smoke ash film on blower wheels and heat exchanger surfaces. Summer fires in the San Bernardino Mountains load return air with fine ash. High-MERV filters catch what they can, but a film still settles on Lennox blower blades and heat exchanger fins. Filter changes do not remove that film. Only a full system cleaning with negative-pressure extraction does.
- High static pressure from decades of retrofit work. Many Crestline A-frames started with galvanized trunk lines, then got flex branches added, re-routed, and patched over the years. Crushed flex and failed mastic joints force Lennox systems to run hot and short-cycle even when the equipment itself is fine. We repair the duct, not just clean around it.
Lennox Service in Crestline: What Local Conditions Mean for Your Equipment
After a big spring snowmelt, the vent covers on Crestline cabins routinely come off with crawl-space ducts that have been wicking ground moisture all winter long. That is the one condition you will not see in low-desert or valley homes. The duct is often packed with pine needles and rodent nesting material, not just dust. For Lennox owners specifically, this means the cased coil in a crawl-space install sits in a damp, debris-heavy environment for months before the system gets fired up for the first warm weekend. A field vignette we still talk about: a vacant A-frame off a wooded lane in ZIP 92325, owner called because the air handler smelled like a wet basement every time it kicked on. We pulled a return cover and found the flex run loaded with pine needles and rodent nesting, wet liner from winter ground moisture. Video inspection showed a mildew film on the coil slab. We cleaned the full system, repaired and re-insulated the failed flex branch, treated the coil, and the Lennox system came back with normal static pressure and no odor on startup. That is the difference between cleaning what is there and understanding why it is there. If you can’t see what’s in your ducts, you’re just guessing, and your lungs are paying for the experiment. This is the reality of Crestline service area work.
Lennox Models & Products We Service in Crestline
We service Lennox G61MPV and G71MPP gas furnaces with matching air handlers, Lennox Merit and Elite series split systems, Dave Lennox Signature Collection variable-speed air handlers, and Lennox HC/XC condenser and coil combinations paired with flex or galvanized trunk runs. For anything that touches airflow or safety, we use Lennox OEM or OEM-equivalent parts, including blower components, limit switches, drain pans, and coil slabs. For Highland Lennox service and duct repairs, we use quality aftermarket flex, mastic, and insulation where the spec matches. We carry common Lennox-compatible components on the truck for fast Crestline turnaround. And we will tell you plainly when a heat exchanger or coil is genuinely failing and replacement is the honest call rather than selling another cleaning that will not fix the root cause.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Crestline
Whole-system air duct cleaning on a Lennox setup in Crestline typically runs $450 to $750 for an average cabin, depending on square footage, number of returns, and how much debris has accumulated during vacancy. Return duct cleaning alone starts around $180 to $260. Adding coil and blower cleaning brings most full packages to $550 to $900. Flex duct repair is quoted separately after inspection, usually $150 to $400 per affected run. A free estimate includes a visual inspection of the return side, blower compartment, and accessible duct runs. We give one flat price per system before work starts. No per-vent pricing. Call (855) 356-4382 for an exact quote on your Crestline home.
Serving Crestline, CA – Our Local Coverage Area
We’re based in the Crestline 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 Crestline
Yes. We clean the full airflow path: return ducts, return plenum, blower wheel and housing, evap coil, supply plenum, and supply runs. On Lennox air handlers in Crestline, the coil and blower are where most of the contaminants settle, so leaving them out defeats the purpose. We use Rotobrush and Nikro professional duct cleaning systems, plus Abatement Technologies negative-air equipment for containment-grade extraction during heavier jobs. Call (855) 356-4382 to schedule an inspection.
No. Lionheart Air Duct Cleaning is an independent service company. We are not authorized, sponsored, or endorsed by Lennox. What we bring is Lennox repair in Muscoy, hands-on experience with Lennox cabinet layouts, coil slabs, and duct transitions in Crestline homes, plus the freedom to tell you when a cleaning is the right call and when a repair or replacement is more honest.
Most single-system Crestline homes take three to five hours, depending on how many returns and how much debris has built up during vacancy. Vacant cabins with rodent activity or heavy pine needle loading take longer because we spend more time on extraction and then seal and re-insulate where the duct has failed. We schedule by the job, not by the clock.
For anything that touches airflow or safety, yes. Blower components, limit switches, drain pans, and coil slabs get Lennox OEM or OEM-equivalent parts. For duct repairs, we use quality aftermarket flex, mastic, and insulation where the spec matches. We are not going to put a cheap blower motor into a Lennox air handler and call it good.
Because they are quoting a different job. A $99 or $199 vent-cleaning special usually means a consumer-grade shop vacuum run through a few supply registers. It does not include coil cleaning, blower cleaning, return plenum work, negative-air extraction, or the duct repairs a 4,600-foot mountain cabin typically needs. Crestline homes sit through snowmelt, pine pollen, and wildfire smoke. You want the full job, and the full job costs real money. Call (855) 356-4382 for a flat price per system, quoted before we start.
Service Areas Near Crestline
We serve Crestline and the surrounding mountain and valley communities in San Bernardino County. If you have a Lennox system in nearby Pedley or Mentone, we can handle it. We also cover San Bernardino, Redlands, Rialto, and Fontana for Lennox owners who want the same professional-grade cleaning and repair work.
Book Your Lennox Service in Crestline Today
If you own a Lennox system in Crestline and you have not had the ducts cleaned in years, or your cabin just came out of a long vacancy, call Lionheart Air Duct Cleaning at (855) 356-4382 for a free estimate. Roland and the crew will tell you exactly what is in your ducts and exactly what it will cost to fix it.
Written by Roland Cifuentes, Owner at Lionheart Air Duct Cleaning, serving Crestline and San Bernardino County with Rialto Lennox service, professional-grade duct cleaning and repair.