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.
Air Duct Cleaning Company in Muscoy, CA
Air duct repair in Muscoy typically costs $180 to $650 depending on whether it’s a simple sealed-joint fix or a full duct replacement in a crawlspace. Lionheart Air Duct Cleaning has served Muscoy since 2013, and we’re the only local company that pairs professional-grade Rotobrush and Nikro cleaning equipment with full air duct repair capability. The older duct systems throughout the 92411 ZIP code don’t just need cleaning – many of them need actual fixes to stop pulling Cajon Pass grit into your living space. Call (855) 356-4382 for a straight answer on what your system needs.
Why Muscoy Homes Are Different
Muscoy sits directly downwind of the Cajon Pass, and that single geographic fact changes everything about duct work here. When Santa Ana winds kick up, they funnel fine desert grit and soot straight into this neighborhood. Homeowners in Muscoy see it happen: a wind event rolls through, and within days there’s a visible layer of fine sand on window sills, on furniture, and on the return-air grilles. That same grit gets pulled into the duct system every time the AC cycles on, and it builds up faster than in almost any other Inland Empire town. Air duct cleaning in Muscoy isn’t an annual wellness upgrade – it’s a seasonal dust-removal necessity tied directly to wind season.
The housing stock compounds the problem. The 92411 area is dominated by older, modest single-story homes, many from the mid-century era, plus a mix of manufactured homes. A lot of these houses still run on original or retrofitted galvanized duct work, and plenty have flex duct runs that were installed decades ago. Poor seals at joints and plenum connections let wind-blown dust infiltrate the system even when the blower isn’t running. Hot inland summers push AC systems to run nearly continuously from June through September, so whatever grit is in the ducts gets recirculated through the house on a loop. The consequence: Muscoy homeowners deal with dust buildup that would surprise someone in a newer Rancho Cucamonga tract home.
After a strong Santa Ana or pass wind event, our technicians in Muscoy routinely find a visible layer of fine sand and grit on return-air grilles and inside plenum boots. It’s a pattern we don’t see as consistently anywhere else in the Inland Empire, and it’s the reason our approach here starts with the duct system’s actual condition, not a one-size-fits-all cleaning package.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Muscoy Services
Most Muscoy homeowners call us for one of two things: getting wind-driven grit out of their ductwork, or making sure a clogged dryer vent isn’t about to start a fire. Here’s what each job involves locally.
Air Duct Cleaning in Muscoy
In Muscoy, duct cleaning means removing the fine Cajon Pass grit that accumulates in return-air boots, supply runs, and plenum boxes. We run professional Rotobrush and Nikro equipment through the full system, including the return side that most budget cleaners skip. Because many 92411 homes have older flex or galvanized runs with loose seals, we check for infiltration points while we clean, so you know if the system has a deeper problem. Air Duct Cleaning in Muscoy is a seasonal necessity here, tied to wind events more than indoor allergies.

Dryer Vent Cleaning in Muscoy
Dryer vent cleaning is a fire-safety service, and Muscoy’s older homes often have long or convoluted vent runs that trap lint quickly. Lint buildup is a documented leading cause of residential dryer fires, and a clogged vent also forces your dryer to run longer, which matters when the AC is already working hard all summer. We clean the full vent run from dryer to exterior termination and verify airflow at the end. Dryer Vent Cleaning in Muscoy is a service we recommend annually for most local homes, and more often if you have a long run or a gas dryer.

Air Duct Repair in Muscoy
Muscoy’s combination of older housing stock and relentless wind means a lot of the duct systems we see here need more than a cleaning – they need repairs. Galvanized ducts from the mid-century era develop separated joints, rust-through spots, and crushed runs. Flex duct installed years ago sags, tears, and pulls loose from the plenum. The result is a system that pulls in attic dust and Cajon Pass grit even after a professional cleaning, because the ductwork itself is compromised. Lionheart is one of the few companies in the Muscoy area that offers standalone Air Duct Repair, which means we fix what we find instead of cleaning around it and calling the job done. Here are the specific repair jobs we do most often in the 92411 ZIP code.
Air Duct Replacement
Signs you need it
You see dust accumulating unusually fast after a cleaning, hear air rushing from a closed-off register, or have flex duct that’s torn, crushed, or collapsed in the attic or crawlspace.
What it costs in Muscoy
Partial air duct replacement in Muscoy typically runs $450 to $1,200, depending on the length of the run and accessibility.
How we do it
We remove the damaged section, install new duct to the correct diameter and R-value, seal every joint with mastic, and verify airflow at each register.
Ductwork Repair
Signs you need it
You have hot or cold spots in certain rooms, visible gaps or holes in exposed ductwork, or air leaking at the plenum connection where the duct meets the unit.
What it costs in Muscoy
Ductwork repair in Muscoy typically runs $180 to $650, depending on the number of joints that need resealing and the amount of access work required.
How we do it
We locate the exact leak or separation, clean the surface, apply professional-grade sealant and mechanical fasteners, and test the repair before we leave.
What Air Duct Repair Costs in Muscoy
| Item | Typical range in Muscoy |
|---|---|
| Ductwork repair (sealing, joints, minor leaks) | $180 – $650 |
| Partial air duct replacement | $450 – $1,200 |
| Full system duct replacement (older Muscoy homes) | $1,800 – $3,500 |
Prices shift based on what we find once we open the system up. Muscoy homes with original galvanized duct from the 1950s or 1960s sometimes need more extensive replacement than expected, and crawlspace or attic access conditions affect the labor. You’ll get one flat price per system before work starts, so there are no surprises when the invoice lands.
How long does air duct repair take in Muscoy?
Most Muscoy repair jobs finish in one visit lasting three to six hours. Partial replacement or full-system replacement can stretch to a second day, and we’ll tell you the expected timeline before we start.
Can you replace just part of the duct system?
Yes. If only one run is torn or rusted through, we replace that section and leave the rest of the system alone, as long as the remaining duct is structurally sound and properly sealed.
Brands We Service in Muscoy
We service and work alongside the major HVAC and indoor-air-quality brands found in Muscoy homes, including Honeywell, Aprilaire, and Guardsman. Our technicians work with these systems on a regular basis, which means we can clean or repair your ductwork without disrupting the equipment it’s connected to. Our brands page covers compatibility in more detail.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning Company in Muscoy, CA
| Service | Typical range in Muscoy |
|---|---|
| Air duct cleaning (whole home, up to 10 vents) | $350 – $600 |
| Air duct cleaning (larger or older home) | $500 – $900 |
| Dryer vent cleaning | $90 – $160 |
| Ductwork repair | $180 – $650 |
| Partial air duct replacement | $450 – $1,200 |
| Full system duct replacement (older Muscoy homes) | $1,800 – $3,500 |
| Ductwork sealing (per access point) | $75 – $200 |
| Return-air boot cleaning (add-on with full cleaning) | $40 – $100 |
| Crawlspace duct access (when required) | $100 – $250 |
What pushes prices up in Muscoy is access. Older single-story homes here often have crawlspaces or tight attic access that adds time, and homes with original galvanized duct can have more issues to address than a newer flex system. The price you’re quoted is the price you pay – one flat rate per system, agreed before we start.
Neighborhoods We Serve in Muscoy
We work throughout the entire 92411 ZIP code, and because Muscoy is a compact unincorporated community, we can schedule across the whole area with flexible morning and afternoon arrival windows. Here are some of the neighborhoods and areas we regularly serve:
- North Muscoy, near the Cajon Pass corridor
- South Muscoy, along the San Bernardino border
- The Kuehner Ranch area
- Neighborhoods off State Street and Duffy Street
- The manufactured home communities scattered through 92411
Service Area – Cities Near Muscoy
Lionheart Air Duct Cleaning is based in the Inland Empire and serves homeowners throughout the surrounding area. If you’re in San Bernardino, CA, directly south of Muscoy, or in Colton, CA to the southwest, we handle those calls regularly. We also cover Rialto, CA on the west side and Highland, CA to the east, so give us a call and we’ll schedule around your location.
Serving Muscoy, CA – Our Local Coverage Area
We’re based in the Muscoy 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 About Air Duct Cleaning Company in Muscoy
We schedule Muscoy jobs on a rolling basis, typically within a week of your call. During spring and fall wind season, demand picks up, so calling earlier in the week gives you the most scheduling flexibility.
No permits are required for duct cleaning, dryer vent cleaning, or standard duct repair or replacement in private Muscoy homes. Because Muscoy is unincorporated San Bernardino County, building permits don’t come into play for this type of HVAC maintenance work.
Yes, we cover the entire 92411 area including all residential neighborhoods and manufactured home communities in Muscoy. If you’re unsure whether you’re in our service zone, call (855) 356-4382 and we’ll confirm immediately.
What happens when you call
- 1A real person answersNo phone trees. Talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you. The visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Muscoy Customers Say
"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Alicia Carter"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Brooke Gallagher"My wife's allergies had been bad in this house since we moved in. It's been two months since they did the ducts and it's noticeably better. Not a miracle, but real."
- Eduardo Guzman