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.
Fast, Reliable Air Duct Cleaning Across Covina
Most standard air duct cleanings for a Covina home run $395 – $695 depending on system size and how much buildup has accumulated. If you live near the 210 or 10 freeways in Covina, you are probably due sooner than you think. We regularly see homes in Covina that need cleaning every two to three years, where the same system in Glendora might go five. Our crews know Covina’s ranch homes, attic flex ducting, and freeway soot problems because we work here every week. Call (424) 688-1845 for a written price before any work starts.
Why Cardinal Air Duct West Covina Is Covina’s Preferred Air Duct Cleaning Company
Covina homeowners value straight answers on price and timing, and that is exactly how we operate. We work under The Relay Standard: you get a written price before a single duct is touched, a live arrival window you can track from your phone, and before-and-after photo proof of the actual work. No vague estimates, no price shifts once the technician is inside.
Our Air Duct Cleaning crews run professional-grade equipment: Rotobrush brush systems for mechanical agitation, Nikro HEPA vacuums for negative-pressure extraction, and Abatement Technologies containment units when a job involves heavy particulate or mold. Every technician is background-checked, uniformed, and you will know their name before they ring the bell.
Omar Haddad leads our Covina-area operations with a simple standard: if the work is not right within 365 days, we come back and make it right at no charge. That is the 365-Day Done Right Promise, and it applies to every booking without exception. No fine print that quietly excludes certain jobs.
Styles & brands we work with




Commercial Air Duct Cleaning in Covina
Commercial Air Duct Cleaning in Covina means more than larger duct runs; it means working around business hours, occupied spaces, and systems that cannot go down without costing somebody money. Covina’s commercial stock includes medical and dental offices along Citrus Avenue, restaurants near the West Covina boundary, retail storefronts along San Bernardino Road, and light industrial units south of the 10. Each has different airflow demands and different contamination sources.
Office and Retail Systems
Office and retail spaces in Covina run on rooftop packaged units or split systems with long duct runs and multiple drops. Cleaning usually means accessing interior supply runs without disrupting business, which is why we schedule around tenant hours and use HEPA-filtered extraction to keep loosened debris out of occupied areas. Pricing typically lands between $600 and $2,500 depending on square footage and the number of rooftop units.
Restaurant and Medical Spaces
Restaurants accumulate grease vapor that pastes dust to duct walls, and medical offices cannot afford airborne particulate recirculating through exam rooms. Both require containment and careful negative-pressure work. Expect $1,200 to $4,800 for a full system clean with video inspection confirming the result.
Air Duct Cleaning Services in Covina
Air Duct Cleaning Services in Covina cover what older tract homes actually need: supply ducts, return ducts, the blower compartment, the evaporator coil, and the air handler cabinet itself. A partial clean that skips the return side leaves contaminated air re-entering the system within months. We do the full system or nothing; there is no middle-tier service that quietly omits the return path.
Full System Cleaning
Full System Cleaning on a typical Covina ranch home runs $395 – $695. That includes mechanical agitation of supply and return ducts, HEPA negative-pressure extraction, blower motor and cabinet cleaning, and coil inspection. Homes near the 210 freeway with heavy soot loading may trend toward the upper end of that range.

Video Inspection
Video Inspection adds $95 – $150 and gives you recorded proof of what the ducts looked like before and after. For Covina homeowners with original 1970s flex ducting, this is worth it. You see exactly what we removed and what remains, which is the whole point of hiring a company that documents its work.

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.
Trusted Brands We Service in Covina
We service whatever your system carries, but Covina homes commonly run Honeywell filtration cabinets, Aprilaire media filters, and Guardsman-rated filter racks. We stock replacement filters and cabinet seals for these brands locally, so a service visit does not drag into a parts-ordering delay. Nikro HEPA extraction equipment is what we run on every residential job, because truck-mounted shop vacs do not capture fine soot from the 210 corridor, and nobody wants that particulate settling back onto their registers.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Covina Homes
- Freeway soot loading: Homes within a mile of the 210 in Covina accumulate a dark, oily film in ducts within two to three years. Brake dust, tire wear, and wildfire smoke combine into a particulate that a standard filter does not fully catch.
- Shared return-air contamination: 1950s through 1980s ranch homes in Covina often run a single return path that pulls unfiltered attic air and driveway dust straight into the air handler. Cleaning only the supply side means that contamination re-enters the system within months.
- Attic flex duct deterioration: Original flex ducting in Covina’s older tracts cracks, sags, and sheds insulation particles into the airstream. A visual inspection during cleaning catches this before you spend money treating air that leaks through torn duct walls.
- Post-rain mold growth: Covina’s occasional winter rain raises humidity in poorly sealed attic ducts. If nobody checks the flex duct interior for microbial growth before cleaning, spores stay circulating even after the visible dust is gone.
Pricing for Air Duct Cleaning in Covina, CA
A standard full-system cleaning for a Covina home runs $395 – $695. Homes under 1,500 square feet typically fall between $395 – $495. Larger two-story homes or those with multiple air handlers run $550 – $695. Video inspection adds $95 – $150. Commercial jobs start around $600 and scale with square footage and system count. What affects your price: how many supply drops, whether accessible attic ductwork requires extra time, the condition of the blower cabinet, and how heavy the freeway soot load is. You get a written price before we start, and that number does not move. Call (424) 688-1845 for a free estimate.
We Also Serve Cities Near Covina
Our crews cover Azusa, West Covina, Baldwin Park, and Glendora on a regular schedule. If you are in one of those cities and need air duct work, the same written-price policy and equipment fleet applies. Call (424) 688-1845 and we will slot you into the nearest available window.
Serving Covina, CA - Our Local Coverage Area
We’re based in the Covina 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 in Covina
Every 2 to 3 years if you are within a mile of the 210 corridor or the 10 in southern Covina. Homes in Covina Hills or Charter Oak, further from freeway exhaust, can go 4 to 5 years. The difference is measurable: freeway-adjacent systems build a visible soot film on register boots within 24 to 36 months, while foothill homes mostly gather standard dust. After a wildfire season that pushes smoke into the valley, we recommend an inspection even if you are mid-cycle. Call (424) 688-1845 and we will assess your specific situation.
They need a gentler mechanical approach with controlled negative pressure. Original 1970s and 1980s flex ducts in Covina are often brittle, and aggressive brushing can tear the inner liner. Our Rotobrush systems run at a controlled speed with HEPA vacuum extraction holding negative pressure, so loosened debris goes straight into the Nikro unit instead of through torn duct walls into your attic insulation. We also inspect for collapsed sections before we start, because cleaning a crushed duct run does nothing for airflow. Call (424) 688-1845 for an inspection-based quote.
Yes, when the cleaning includes the blower cabinet, evaporator coil, and return duct interior. Smoke odor clings to the oily film on duct walls and the dust caked on the blower wheel. A supply-only clean leaves the odor source intact. In Covina homes that took in smoke during Santa Ana-driven fire seasons, we run the full system, replace return-side filters, and often find the blower wheel needs direct cleaning to stop the smell from recirculating. Call (424) 688-1845 for a smoke-odor assessment.
A shared return-air path is when multiple rooms pull return air through a single central return, common in 1950s through 1980s Covina ranch homes. These systems pull air from hallways, attics, and sometimes unsealed wall cavities, and that unfiltered air carries attic insulation dust, unpaved-road particulate from areas around Covina’s edges, and whatever else drifts through. Cleaning the supply ducts without addressing the return path means the contaminants come right back. Our crews clean both sides and seal the air handler cabinet so the return path is not pulling attic air. Call (424) 688-1845 to schedule a full-system evaluation.
We clean the blower motor, blower wheel, air handler cabinet, evaporator coil, and both supply and return ducts. A duct-only clean leaves the components that actually move air coated in the same film you just removed from the ducts. In Covina homes near the 210, blower wheels often carry a thick layer of oily soot that reduces airflow and forces the system to run longer. We pull the blower assembly, clean it, and document it in the before-and-after photos you receive with the invoice. Call (424) 688-1845 for a quote that includes the full mechanical scope.
Written by Omar Haddad, Owner at Cardinal Air Duct West Covina, serving Covina and surrounding communities.