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 Bloomington, CA
We clean and repair Lennox duct systems across Bloomington, and we’re the crew that treats your ductwork like a system, not a tube to shove a brush through. The difference here in 92316 is dust: fine Mojave grit and Cajon Pass blow-off loads Lennox air handlers faster than almost anywhere else in the Inland Empire. Call (855) 356-4382 and we’ll come out, camera the ducts, and show you exactly what’s coating the inside before we quote a dollar.

We are an independent Lennox service provider. Nobody at Lennox signs our checks, trains our techs, or tells us what to do on a job. What we have is years of field work on Lennox Merit, Elite, and Signature systems in Bloomington’s older ranch homes and the mobile-home parks along Valley Boulevard. For full Lennox sales & service, that’s our broader scope. Here, we focus on the part most companies skip: the ductwork connected to that equipment.
Why Bloomington Residents Choose Us for Lennox Service
Roland Cifuentes, our owner and lead technician, grew up in the Westside of San Bernardino and learned HVAC fundamentals at San Bernardino Valley College before going full-time into duct diagnostics. He’s spent close to three decades watching Inland Empire heat and wildfire smoke do a number on local ductwork, and he built Lionheart around a simple idea: if you can’t see what’s in your ducts, you’re just guessing, and your lungs are paying for the experiment.
Bloomington Lennox owners call us because we know where these systems fail. The unsealed cabinet seams on a Merit air handler. The sagging flex connection on a 1970s horizontal attic unit. The dried-out mastic on a trunk line that’s been baking in triple-digit summers for thirty years. We bring Rotobrush and Nikro cleaning systems, Abatement Technologies negative-air containment, and a repair-first mindset. Most duct cleaners in Bloomington can pass a vacuum through a run. We can seal the return, replace a crushed boot, and fix the leak that’s pulling attic grit into the supply side in the first place.
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 Bloomington
- Grit-coated blower wheels on Merit upflow handlers. Those open cabinet knockouts and unsealed seams on older Lennox Merit air handlers in 92316 ranch homes act like a dust scoop. Santa Ana winds drive fine desert grit straight into the return, and the blower wheel ends up wearing a coat of tan dust that kills airflow and strains the motor. We clean the wheel, seal the cabinet, and the problem stays gone.
- Separated flex connections on horizontal attic units. The 1970s-era Lennox horizontal air handlers in Bloomington attics were often squeezed into tight closet chases with short flex connectors. Under Inland Empire heat those connections sag, separate, and start pulling dusty attic air around the filter. The supply runs load up with insulation fibers and desert dust, and the registers blow it into every room.
- Return-side trunk leaks on old rigid metal ductwork. Lennox trunk and branch systems in Bloomington tract homes were sealed with tape and mastic that’s now brittle and cracked. When the HVAC runs long on a 105-degree afternoon, return-side leaks draw crawlspace dirt, garage dust, and whatever else is floating under the house directly into the system. Sealing those returns is half the battle.
- Evaporator coil film on Elite and Signature variable-speed units. Variable-speed Lennox air handlers run long, steady cycles in Bloomington summers. That’s good for comfort but it also means the coil is constantly collecting the same fine particulate that coats everything else. A thin tan film builds on the evaporator face, cutting airflow and efficiency. It looks dirty again within a week of a high-wind day unless the coil gets cleaned and the leaks that fed it get addressed.
- Mobile-home duct fitting problems along Valley Boulevard. Lennox and aftermarket air-handler closets in Bloomington’s manufactured-home parks rarely match standard dimensions. Return plenums are undersized, register boots don’t line up, and off-the-shelf fittings don’t fit. We fabricate custom access and boots on site, which is the only way to actually clean and seal these layouts properly.
Lennox Service in Bloomington: What Local Conditions Mean for Your Equipment
Here’s what we know from years of pulling Lennox cabinets apart in this town: the return grilles in older Valley Boulevard-area homes fill with fine tan and reddish desert grit, not the pet hair and gray dust you’d see in coastal LA or the mildew-heavy buildup you’d find in humid climates. Bloomington sits in the hot, dry corridor near the Cajon Pass, and when the Santa Anas kick up, that airborne particulate load goes straight into return grilles and duct runs. A Lennox system that was cleaned on a calm week can look dirty again seven days later after a gust event blows through. That’s not a bad cleaning job. That’s an unsealed return pulling unfiltered desert air. The fix is sealing, not just more frequent cleaning. In the mobile-home parks off Valley Boulevard, the problem stacks differently: non-standard air-handler closets and undersized return plenums force custom-fabricated access and register boots rather than what you’d bolt into a tract home off the numbered streets. We don’t stock a one-size-fits-all answer because Bloomington doesn’t hand us one-size-fits-all ductwork.
Lennox Models & Products We Service in Bloomington
We work on Lennox Merit Series air handlers and matching condensing units, the Elite XC and EL lines with variable-speed blowers, and the Signature Collection communicating systems. The older horizontal attic air handlers common to 1970s and 80s Inland Empire ranch installs are a specialty of ours because we see so many of them here. Where fitment matters, we use OEM Lennox filter racks, access panels, and cabinet gaskets. For duct sealing and repair, quality aftermarket flex, mastic, and foil tape do the job right and keep the bill reasonable. On Lennox equipment pushing 20-plus years with a cracked heat exchanger or a failed blower motor, we’ll tell you straight if your money is better spent toward replacement than on cleaning and chasing a tired unit. We repair what’s repairable and we don’t polish junk.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Bloomington
A full Lennox air duct cleaning on a typical Bloomington ranch home runs between $450 and $900, depending on the number of returns, the system size, and how much sealing and repair the job needs. Mobile-home layouts along Valley Boulevard often land in the $350 to $650 range, with custom fabrication adding time when openings don’t match standard fittings. What drives cost here is access and condition: a 1970s attic unit with failed flex and open knockouts takes longer to do right than a clean newer install. Every estimate includes a camera inspection of the duct interior before we quote, and the number we give is the number on the invoice, not a teaser. Call (855) 356-4382 and we’ll schedule the walkthrough.
Serving Bloomington, CA – Our Local Coverage Area
We’re based in the Bloomington 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 Bloomington
Because the duct system is leaking. Bloomington’s Cajon Pass wind events push desert grit into unsealed return trunks, open cabinet knockouts, and separated flex connections, so the system pulls unfiltered air and redistributes it through the supply runs within days. A cleaning that doesn’t address the leaks is half a job. We camera the runs, find the source of the bypass, and seal it so the dust stops coming back. Call (855) 356-4382 for an inspection.
Yes. We fabricate custom access panels and register boots on site for non-standard mobile-home closets and undersized return plenums. These layouts take longer and require fitting work that a lot of companies won’t touch, but the ducts can absolutely be cleaned and sealed properly. Call us and we’ll assess the specific closet and duct layout before we give you a number.
Less so. Bloomington’s climate is hot and dry, which keeps mold growth a smaller concern than in humid coastal areas. The real issue here is fine desert grit and windblown dust loading into the system. That said, if a leak from a crawlspace or an old swamp cooler has introduced moisture, we’ll flag it during the camera inspection and recommend the appropriate next step.
It means more particulate passes through the blower and coil over the same operating hours, so the system collects dust faster than a single-speed unit in a milder climate. Regular filter changes help, but the real fix for fast buildup is sealing the return side so the fan isn’t pulling attic and crawlspace air around the filter. Clean coils and sealed returns mean less dust on the registers and less strain on the blower. Give us a call at (855) 356-4382 if your Elite or Signature system isn’t staying clean.
Usually not yet. If the heat exchanger is cracked, the equipment is at end of life, and spending money on duct cleaning before replacing the unit is backwards. We’ll tell you if that’s the case during our inspection. Once the new equipment is in, we can clean and seal the ducts so the new system starts with a clean air path instead of inheriting decades of accumulated grit. Call (855) 356-4382 and we’ll be straight with you either way.
Service Areas Near Bloomington
We run Lennox duct cleaning and repair across the western Inland Empire, including San Bernardino, Fontana, Rialto, Riverside, and the unincorporated pockets around Bloomington’s service area. We also take calls from Glen Avon Lennox service and Highgrove Lennox service customers who need the same camera-first approach and repair-capable crew.
Book Your Lennox Service in Bloomington Today
If your Lennox system is blowing dust after a Santa Ana, or the registers haven’t been cleaned since the house was built, call (855) 356-4382 and we’ll get you on the schedule. We’ll camera the ducts, show you what’s in there, and quote the whole job before any work starts. Lionheart-grade clean: thorough, contained, verified.
Written by Roland Cifuentes, Owner at Lionheart Air Duct Cleaning, serving Bloomington and the Inland Empire.