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 St. George?
HVAC cleaning in St. George typically runs $350 to $700 for a standard single-family home with one system, and most jobs fall near the middle of that range. Larger homes with two systems, heavy dust from construction or a long gap since the last cleaning land in the $700 to $1,200 range. Dryer vent cleaning on its own is usually $125 to $225, and a written estimate sets the final price before any work starts.
What you’re really paying for is method. A low-bid operator runs a blower through the registers and leaves the debris in the system. Contact cleaning with a rotary brush and a HEPA vacuum pulls material out of the ducts and contains it. That’s the difference between a visit that looks productive and one that actually changes the air in your house. Our technicians have up to 10 years of experience, and we work with professional-grade Rotobrush, Nikro and Abatement Technologies equipment because the tools decide the result.
If you want a number for your specific home, call (855) 419-9402. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Estimates are free.
Key Takeaways
- Standard whole-home HVAC cleaning in St. George: $350-$700
- Two-system or heavily soiled homes: $700-$1,200
- Dryer vent cleaning as an add-on: $125-$225
- Duct repair (reconnecting or sealing damaged runs) is quoted separately, often $150-$600 depending on the run and access
- Written estimates are free and the price is set per job before work begins
HVAC Cleaning Cost Breakdown (2026)
Line-item pricing for the St. George market breaks out roughly like this. These are typical estimated ranges, not exact quotes. The written estimate is the number that counts.
| Service | Typical Estimated Range | When It Applies |
|---|---|---|
| Whole-home air duct cleaning (single system) | $350-$700 | Standard house, one HVAC system, accessible duct runs |
| Whole-home air duct cleaning (two systems) | $700-$1,200 | Two air handlers and two duct networks, common in larger St. George homes |
| Register and grille cleaning (per unit) | $8-$20 each | Pulled, washed and reinstalled |
| Dryer vent cleaning | $125-$225 | Standalone or added to a duct cleaning visit |
| Duct repair – reconnecting a disconnected run | $150-$600 | When cleaning alone can’t fix the problem |
| Duct sealing or minor structural repair | $200-$800 | Depends on the number of runs and access |
| HEPA vacuuming of the air handler and plenum | $75-$200 | Usually bundled into a whole-home visit |
What pushes a job toward the top of a range: number of systems, square footage, how long it’s been since the last cleaning, and whether the ducts are in a vented attic or a crawlspace. St. George homes often sit on a concrete slab with the air handler in the garage and the duct runs in a hot attic. That attic heat is hard on flex duct and on the seals at every joint, so we find more disconnected and crushed runs here than in milder climates. Repair pricing gets quoted after we see the layout, not before.
What keeps a job near the bottom: a single-story home with a straightforward trunk-and-branch layout, easy access, and a system that hasn’t been buried in construction dust. If you’ve recently remodeled, expect more soil and a longer visit, since drywall dust and sawdust settle into every branch of the system.
What Affects HVAC Cleaning Pricing in St. George
Cost isn’t random. These are the factors that move the number, and the ones worth asking about before you book anyone.
- Number of HVAC systems. A home with one air handler is a smaller job than a two-system house. Dual systems mean two blower assemblies, two plenums and two duct networks, and the price roughly doubles because the work does.
- Duct material and condition. Flex duct is common in this market and easier to damage, so it needs a careful touch and sometimes a repair before cleaning is even useful. Rigid sheet metal behaves differently. If a run is crushed, torn or disconnected, cleaning it first just wastes the visit.
- Attic conditions and access. St. George summers push attic temperatures well past 120°F, and the work involves heat, confined space and careful movement around insulation. Access difficulty and attic layout add time. So does a crawlspace or a tight mechanical closet.
- Soil level and what caused it. Routine dust is one thing. Construction dust after a remodel, debris after a roof replacement, pest activity or wildfire smoke residue are heavier and take longer. Tell us what happened so the estimate matches the actual job.
- Whether repair is needed. This is the biggest swing. Cleaning removes what’s in the ducts. It doesn’t reconnect a run that blew apart at a joint or fix a plenum that’s leaking into the attic. We quote repair separately so you can see what’s cleaning and what’s structural.
- Dryer vent add-on. Dryer vents are a separate system with a separate hazard. Lint buildup in the vent line is a leading household fire hazard, and most HVAC-only cleaners don’t touch it. Adding it to a duct cleaning visit costs less than booking it alone.
One thing that does not change the price: the day or time. Price is set per job by the written estimate, so scheduling urgency doesn’t add a premium.
Why Method Matters More Than the Quote
The cheapest quote in St. George is almost always the least equipment. Air washing, the blow-and-go approach, uses compressed air to knock debris loose and a shop vacuum at the register to catch some of it. The rest recirculates into your home the next time the system runs. Rotobrush contact cleaning works differently: a rotary brush physically scours the duct interior while a HEPA vacuum pulls the dislodged material out and holds it. The brush does the work. The vacuum contains it.
Nikro HEPA vacuum systems capture fine particulate that a standard vacuum passes back into the air. On a job with heavy drywall dust or pest debris, that containment matters. Our toolkit also includes Abatement Technologies equipment, the same class of tooling used in professional air-quality abatement work, which lets us handle containment-level situations that a basic cleaning setup can’t. Guardsman-line protective products round out the kit so the system gets protected after it’s cleaned, not just cleaned and left.
We also work with Honeywell and Aprilaire filtration and indoor air quality systems, so when we’re in your home we can speak knowledgeably about filters and IAQ upgrades alongside the cleaning. That’s a conversation, not a sales pitch, and it happens after the ducts are clean so you’re making a decision on real information. For the full picture of what we do, see Ironwood Air Duct Cleaning.
How to Save on HVAC Cleaning
You can’t turn a two-system house into a one-system house, but you can keep a job out of the expensive range. A few practical moves:
- Combine services in one visit. Adding dryer vent cleaning to an air duct cleaning visit costs less than booking two separate appointments, and it’s one trip through the house instead of two.
- Tell us about any remodel before we quote. If you’ve had drywall work or a roof replacement, say so. A quote built for routine dust will come in low and then climb once we’re on site. Accurate info up front means an accurate number.
- Fix the disconnected duct. A run that’s blowing into the attic instead of into a room is wasting your cooling dollars every summer. Repair often pays for itself in efficiency, and it’s the kind of problem cleaning alone can’t touch.
- Keep filters changed. A clogged filter forces the system to work harder and pulls more dust into the return. This is the cheapest maintenance you’ll ever do.
- Get the free written estimate. It costs nothing to know the number. Call (855) 419-9402 and we’ll walk through what your home needs and what it will run.
St. George homeowners ask us all the time whether they should wait. The honest answer: if you’re seeing dust streaks at the registers, the system smells musty when it kicks on, or it’s been years since the last cleaning, waiting doesn’t lower the price. It usually raises it, because more soil means more time.
Cleaning, Repair or Both? A Quick Way to Tell
Cleaning is the right call when the ducts are intact and the problem is accumulated dust. Repair is the right call when a run is disconnected, crushed, torn or leaking at the plenum. In practice, most St. George homes we look at need a bit of both, which is why we offer duct repair as a core service rather than an afterthought. Cleaning a system with a broken run is like washing a bucket with a hole in it.
At the estimate, we’ll tell you plainly which is which and what each costs. No surprise line items after the work starts. If you’re in the St. George area and want that conversation, the number is the same one on this page.
HVAC Cleaning Cost FAQs
How much does HVAC cleaning cost in St. George?
Typically $350-$700 for a single-system home, and $700-$1,200 for two systems or heavily soiled ducts. Dryer vent cleaning adds $125-$225. The written estimate sets the final price. Call (855) 419-9402 for an exact quote, since estimates are free.
Is it cheaper to clean the ducts or replace them?
Cleaning is far cheaper than replacement. Duct replacement runs into the thousands, while cleaning and repair typically stay in the $350-$1,200 range depending on scope. Replacement is only warranted when the ductwork is failing throughout, which is uncommon. A repair to a disconnected or crushed run usually lands between $150-$600 and solves the problem. Call (855) 419-9402 and we’ll tell you which situation you’re in.
Does dryer vent cleaning cost extra?
Yes, dryer vent cleaning is a separate service, typically $125-$225 in the St. George market. Added to an air duct cleaning visit, it costs less than booking alone. It’s worth doing: lint in the vent line is a leading household fire hazard. Call (855) 419-9402 to bundle it into one visit.
Why is one quote so much lower than another?
Usually $200-$400 lower because the work is different. Low quotes tend to be air washing with consumer-grade blowers, which loosens debris without pulling it out. Contact cleaning with a rotary brush and HEPA vacuum takes more equipment and more time, and it’s what actually removes the material. Compare methods, not just prices. Call (855) 419-9402 and we’ll explain exactly what our visit includes.
Do you charge extra for same-day service?
No. Price is set per job by the written estimate and doesn’t change based on scheduling urgency. Same-day service is available when the schedule allows. Call (855) 419-9402. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. We’re closed Saturday.
Get a Free Written Estimate
Pricing on this page reflects the St. George market as of 2026, and it’s here so you can budget before you book. What we can’t tell you from a web page is whether your attic has a disconnected run, whether your flex duct has been crushed behind a knee wall, or how much construction dust is sitting in your returns. That takes eyes on the system. Call (855) 419-9402. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday, and we’re closed Saturday. Estimates are free, and the number we give you is the number that holds.
Written by the team at Ironwood Air Duct Cleaning.
Pricing reflects the St. George market as of 2026. Ironwood Air Duct Cleaning offers free estimates – call (855) 419-9402.
What Our Customers Say
"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Steve Reed"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."
- Dustin Novak"Job was done well and the house smells better. There was some dust knocked loose around a couple of the registers that I had to wipe down afterward."
- Paul Pruitt