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 Walnut, CA
Air duct cleaning in Walnut runs $380 – $620 for a typical single-family home, with larger custom hillside estates running higher because of their extra zones and complex duct layouts. We’re Cardinal Air Duct Cleaning, part of the Relay Home Co. family founded in 2005, and our Walnut crews work on homes where the Santa Ana winds push fine chaparral dust into sprawling HVAC systems all year. If you’re on the north side near Snow Creek Drive, you probably already know exactly what we mean. Call (424) 688-1845 for a written price before any work starts.
Why Walnut Homes Are Different
Walnut’s housing stock skews large and custom. Most single-family homes went up from the 1970s onward, and a meaningful share are executive properties with dual-zone heating and cooling. That means longer duct runs, more branch lines, and tighter bends than you’d find in a typical tract home in neighboring Rowland Heights or La Puente. When a system that large collects dust, it holds onto it – and recirculates it through every room that zone serves.
The terrain adds another layer. Homes in the northern hills sit close to the Puente Hills and equestrian trails, where the seasonal Santa Anas strip fine reddish dust off the chaparral and drive it straight into intake vents. We routinely find ducts in this area coated with that specific dust, the kind that settles into fiberglass-lined plenums and does not come out with a basic vacuum pass. Then the damp winters arrive, and dust that absorbed moisture becomes a place mold wants to grow. Walnut’s combination of hot, dry summers and cool, wet winters is precisely why duct maintenance can’t be a set-it-and-forget-it item here.
Styles & brands we work with
Our Main Walnut Services
These are the three jobs Walnut homeowners call us about most, and each has its own detailed page with pricing and process specifics.
Dryer Vent Cleaning in Walnut
Walnut’s larger homes often have laundry rooms on upper floors or in the center of the house, which means dryer vent runs can stretch 15 to 25 feet before they exit the roof or wall. That’s more length for lint to pack into, and more turns where a clog can form. With the Santa Anas blowing dust into the air, outdoor vent hoods also pick up fine particulates that settle into the same lint layer. We pull lint, dust, and whatever else has collected, then confirm airflow at the exterior vent. Dryer Vent Cleaning in Walnut
Air Duct Cleaning in Walnut
Most Walnut homes need what we call a full-system clean: supply and return ducts, registers, the air handler, and the plenums. In multi-zone homes, each zone gets its own attention because dust doesn’t distribute evenly. Homes near the hills collect more particulate than flatland properties, and dual-zone systems mean two sets of dampers and often two filters. Our approach combines Nikro HEPA vacuum extraction with agitation tools to break the bound-up dust loose before it’s pulled out, so nothing blows back into your living room. Air Duct Cleaning in Walnut
HVAC Cleaning in Walnut
In Walnut’s climate, the cooling side of an HVAC system works hard from May through October, and poor airflow from a dirty coil or blower means longer runtimes and higher summer bills. We clean the evaporator coil, blower assembly, condenser coil, and drain pan – the parts that collect dust and humidity together. Homes with dual-zone systems may have two separate coil housings. This is a different job from duct cleaning, but doing both at once means the clean air from your ducts isn’t passing through a dirty air handler. HVAC Cleaning in Walnut
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Walnut
Our Walnut crews maintain and restore aftermarket HVAC and filtration equipment. We work with Aprilaire media air cleaners, Honeywell electronic air cleaners, whole-home dehumidifiers, and Guardsman filtration products across all major manufacturers. Our brands page lists the equipment we service and stock locally.
See the difference
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AfterPricing for Air Duct Cleaning Company in Walnut, CA
| Service | Typical range in Walnut |
|---|---|
| Standard air duct cleaning (single zone) | $380 – $520 |
| Dual-zone air duct cleaning | $520 – $680 |
| Custom hillside estate (3+ zones) | $680 – $950 |
| Dryer vent cleaning (standard run) | $140 – $180 |
| Dryer vent cleaning (long or roof vent) | $190 – $240 |
| HVAC coil and blower cleaning (single zone) | $220 – $360 |
| HVAC coil and blower cleaning (dual zone) | $360 – $520 |
| Whole-home media filter replacement (Aprilaire) | $120 – $200 |
| Registers and grille replacement (per unit) | $25 – $55 |
| Duct sealing and minor repair (per section) | $180 – $320 |
Walnut prices push toward the higher end of these ranges when a home has long upper-floor duct runs, multiple zones, or access points that require containment setup in finished ceilings. One flat price per system is always written down before we start, and that’s the price you pay.
Neighborhoods We Serve in Walnut
We cover all of Walnut from the flatland neighborhoods near Valley Boulevard up into the hills above Grand Avenue. Scheduling typically fits most Walnut homes within the same week, with earlier slots filling fastest during the fall Santa Ana season when dust complaints spike.
- Snow Creek Drive and the northern hills
- Near Suzanne Road and Snow Creek Estates
- Around Creekside Park
- Near Walnut High School and Pierre Road
- South of La Puente Road toward the city border
Service Area – Cities Near Walnut
If you’re just outside Walnut, our crews also run routes through Rowland Heights, CA, Diamond Bar, CA, La Puente, CA, and West Covina, CA. Same team, same written-price standard, same before-and-after photo documentation on every job.
Serving Walnut, CA - Our Local Coverage Area
We’re based in the Walnut 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 Walnut
Most Walnut bookings land within the same week. Larger custom homes with three or more zones sometimes need a slightly longer scheduling window because the work itself takes longer. Call (424) 688-1845 and we’ll set a live arrival window you can track from your phone.
Most Walnut HOAs only restrict noise-generating construction or exterior work. Interior duct cleaning is rarely an issue, but if your HOA has rules about rooftop vent access for dryer vent work, we’ll coordinate with your property manager to keep everything compliant.
Yes. Our technicians cover every neighborhood in Walnut, from the hillside estates north of Grand Avenue to the southern edges near the city border. Dispatch and scheduling is coordinated from our Los Angeles office, but the crews running Walnut jobs are familiar with the local housing stock.
Have a question about your Walnut home’s ducts? Call (424) 688-1845 for a free estimate and a written price with zero door-surprises. Omar Haddad and the Cardinal team in Walnut are ready to pull your system apart the right way.
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 Walnut Customers Say
"The crew was polite and careful with the floors."
- Amber O."Cleaning plus HVAC coil clean. Tech texted when he was ten minutes away. No surprises on the price."
- Evan S."Rebooked in a tap for next year. Simple. Reminder text goes out when it is time again, so I do not have to track it."
- Lee F.