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.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
See the difference
Before
After
Before
After
Before
AfterHow Much Does HVAC Cleaning Cost in Modesto?
HVAC cleaning in Modesto typically runs $350 to $700 for a standard whole-house duct cleaning, and most homes with moderate buildup land near the middle of that range. Light jobs on a smaller system can come in around $250, while a large home with heavy debris, multiple return runs, or duct repair on top of the clean can push past $1,000. Dryer vent cleaning is a separate job and usually costs $120-$220 on its own.
We price per job, not per hour, and the written estimate you get before any work starts is the number you pay. That estimate is free: call (866) 256-3971 and we’ll set it up. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday. Our technicians have up to 13 years of experience, and we work on the duct system itself, not around it.
One thing Modesto homeowners should know up front: this is a valley town with long, dusty summers and almond and walnut harvest dust that hangs in the air well into fall. HVAC systems here pull that dust in through the returns for months at a time. What you pay for a clean in Modesto reflects how much of that debris has settled in your ducts, not just the square footage of your house.
Key Takeaways
- Standard HVAC cleaning in Modesto: roughly $350-$700.
- Light jobs on smaller systems: $250-$350.
- Large or heavily soiled systems, or jobs that include duct repair: $700-$1,200+.
- Dryer vent cleaning as a standalone safety service: $120-$220.
- Free estimates, and the written estimate is the final word on price.
HVAC Cleaning Cost Breakdown (2026)
Here’s how the pieces of a Modesto HVAC cleaning job stack up. These are typical 2026 ranges for this market, not a quote for your specific home.
| Service | Typical Range |
|---|---|
| Supply and return duct cleaning (standard single-story home) | $350-$550 |
| Larger home or multiple HVAC zones | $550-$900 |
| Heavy debris or neglected system (years without a clean) | $250-$450 add-on |
| Additional return run or register | $15-$40 each |
| Air duct repair (sealing gaps, reconnecting runs) | $200-$650 depending on scope |
| Dryer vent cleaning (standalone) | $120-$220 |
| Dryer vent cleaning with long or complex run | $220-$350 |
| Coil or blower cleaning add-on | $150-$300 |
What pushes a job toward the top of these ranges? The big drivers are the number of supply and return runs, how accessible the ductwork is (attic runs here are often long and low), how long it’s been since the last cleaning, and whether the ducts are damaged. A home with flex duct that’s come loose from a register or two will need repair before a clean is even worth doing. That’s why we offer duct cleaning in Modesto and duct repair as jobs we can handle in the same visit. When you want us to look at your specific system, the Modesto service area page covers how that estimate works.
On equipment: we use professional-grade systems on every job, including Rotobrush rotary brush machines and Nikro negative-air equipment, the same class of tools pros run on commercial jobs. On top of that, we keep Abatement Technologies equipment on hand for containment-level air quality situations, and we work with Aprilaire and Honeywell indoor air quality products. Guardsman products go into the finishing steps. That matters for pricing because it means we can handle a worse job than a surface sweep can, and it also means we can fix what we find instead of just vacuuming around it.
What Affects HVAC Cleaning Pricing in Modesto
Six things move the price most in this market:
- Number of runs and registers. A small ranch home with six registers and one return prices very differently from a two-story with 18 registers and three returns. Each additional run adds time and equipment passes.
- Time since last cleaning. Ducts that have gone years untended here, especially after several dry seasons of valley dust, hold far more debris. Ducts cleaned on a reasonable schedule come in lower.
- Access to the ductwork. Modesto has a lot of single-story homes with long attic runs and tight crawlspaces. An accessible duct system cleans faster. A system packed into a low attic with limited service space takes longer.
- Material and condition of the ducts. Flex duct that’s torn or disconnected needs repair, not just cleaning. Sheet metal and rigid ductwork hold up to rotary brushing differently than flex does, and we adjust the technique to match.
- Whether repair is on the table. Cleaning a system with leaks, disconnected runs, or crushed sections means fixing those first. Repair is a real line item, and skipping it means the clean doesn’t perform the way it should.
- Containment needs. Homes with heavy mold or contamination concerns require the extra equipment and contained work area we run with Abatement Technologies systems. That’s a difference in scope, and it shows up in the price.
One climate note that comes up a lot in Modesto pricing: the long dry season and the valley’s agricultural dust load. Homes near the farmland edges can see the returns load up faster than homes closer to the downtown core. That’s a real variable, and it’s one we account for during the estimate rather than after the job.
How to Save on HVAC Cleaning
The single biggest cost lever is timing. Cleaning a duct system on a practical interval costs less than cleaning one that’s been left for years. Beyond that, there are practical ways to keep the price down:
- Book the clean before major repair shows up. A cleaning that catches a disconnected run early costs less than the same job after years of pulling air from the attic or crawlspace. Repair is cheaper when the problem is small.
- Get the whole system done at once. Combine supply and return cleaning in one visit rather than split across separate calls. Splitting the work costs more per visit.
- Bundle air duct repair with cleaning. If we’re already set up on-site, sealing or reconnecting runs during the same visit saves the cost of a second trip.
- Don’t skip the dryer vent. Dryer vent cleaning is a small ticket item on its own, but lint accumulation is one of the leading causes of residential fires. It’s a fire-prevention service, not an air quality add-on, and a standalone dryer vent cleaning in Modesto runs $120-$220. That’s far cheaper than the alternative.
- Change your filters on schedule. A well-filtered system lets less debris into the ducts. It won’t replace the clean, but it stretches the interval between them.
- Get a free written estimate first. Costs vary enough that a ballpark over the phone isn’t reliable. Call (866) 256-3971 for a free estimate. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
A note on equipment when you’re comparing bids: if a quote is drastically lower than the rest, ask what they’re running. A shop vac and a brush isn’t the same job as a rotary brush system paired with negative-air containment. That lower price often means surface work only, and the debris stays where it was.
FAQs – HVAC Cleaning Cost
How much does HVAC cleaning cost in Modesto?
HVAC cleaning in Modesto typically costs $350-$700 for a standard whole-house job, with light jobs starting around $250 and large or heavily soiled systems running $700-$1,200 or more. The written estimate sets your final price. Call (866) 256-3971 – estimates are free.
Is it cheaper to repair or replace ductwork?
Repair is almost always cheaper than replacement when the problem is isolated to a few runs or loose connections. Air duct repair in Modesto typically runs $200-$650 depending on scope, while full duct replacement is a much larger job. Our air duct repair service exists because the alternative, cleaning a leaking system and calling it done, doesn’t actually fix anything. We answer 24/7 to talk through what you’re seeing.
How much does dryer vent cleaning cost in Modesto?
Standalone dryer vent cleaning in Modesto runs $120-$220 for a standard run, and $220-$350 for a long or complex vent path. That’s a small line item compared to the fire risk posed by lint buildup. Call (866) 256-3971 to schedule.
Can you come today?
Same-day service is often available depending on the schedule. Call (866) 256-3971. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday. A call outside dispatch hours is booked into the next opening.
Does the number of vents change the HVAC cleaning price?
Yes. Each additional supply or return run typically adds $15-$40 to the job in Modesto, so a home with 18 registers is meaningfully more than one with eight. The free estimate accounts for every run in your system.
Wherever your system falls on that scale, the first step is the same: a free written estimate that gives you a real number for your home, not a phone ballpark. Our technicians have up to 13 years of experience, we run professional-grade equipment every visit, and we handle cleaning, repair, and dryer vent safety as three jobs done by the same specialists. Call (866) 256-3971 today. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday, and we’re closed Saturday.
Pricing reflects the Modesto market as of 2026. Duct Cleaning Modesto offers free estimates – call (866) 256-3971.
Written by the team at Duct Cleaning Modesto.
What Our Customers Say
"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."
- Michael Kowalski"They photographed every return and supply before starting and sent me the file afterward. No upsell to a sanitizing treatment I didn't need."
- Carlos Torres"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Cedric Mosley