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.
Abatement Technologies Coil Cleaning: The San Francisco Owner’s Guide
If your Abatement Technologies unit isn’t pulling condensation like it used to, the coil is almost always the culprit. We stock and install Abatement Technologies-compatible coil cleaning parts across San Francisco, with most jobs running between $225 and $480 installed depending on your unit’s series and how much buildup we’re dealing with. You’ll usually notice it first as weaker airflow or a musty smell coming from the vents, especially in older San Francisco buildings where coastal moisture never really leaves the coil dry. By the time you smell it, the coil has been working against itself for weeks.
Here’s the thing most coil cleaning guides won’t tell you: an Abatement Technologies coil is built to different tolerances than the generic coils you’ll find on a supply-house shelf. The fin spacing is tighter on their IAQ-focused units, which means standard chemical sprays can gum up faster and leave residue that attracts more dust. We’ve pulled coils from units in the Richmond District that looked clean on the surface but were caked solid about a quarter-inch down. That’s the difference between a wipe-down and an actual coil cleaning.
Key Takeaways
- Abatement Technologies coils use tighter fin spacing than generic replacements, so cleaning requires the right chemical and the right dwell time.
- Installed coil cleaning in San Francisco typically runs $225 – $480, with a written price before we start.
- The two checkable things that matter: your unit’s series number (on the data plate) and whether the coil is aluminum or copper. They take different cleaners.
- We’re an independent San Francisco service provider, not an Abatement Technologies dealer. That means we stock what actually fits, not what a brand rep tells us to push.
Which Abatement Technologies Models This Applies To
The first thing to know is that Abatement Technologies puts its coils in a few different lines, and the replacement part is not universal. The Predator series and Micro air purifier line are the two we see most often in San Francisco homes. The Predator units, common in garages and crawlspace-adjacent utility rooms in the Sunset and Parkside, use a slightly deeper coil with a stainless housing. The Micro series coils are thinner, run closer to the blower, and tend to accumulate dust faster in homes with older ductwork.
Another compatibility gotcha that catches San Francisco homeowners off guard: older Abatement Technologies units, especially models installed before around 2012, used copper coils with aluminum fins. The galvanic reaction between those two metals in our damp coastal air causes corrosion that a standard cleaner can’t help. Newer units switched to all-aluminum coils. If you see green oxidation around the coil ends, that’s the copper telling you it’s done. No cleaner fixes that, and we’ll tell you plainly if replacement is the honest call.
On the OEM versus aftermarket question: for Abatement Technologies specifically, we recommend staying within the manufacturer’s spec for the coil itself. Aftermarket coils exist for these units, and some are perfectly fine, but the spec numbers matter more than the price difference. A wrong-size coil drops static pressure and makes your blower work harder, which shortens the motor’s life. We stock on-truck coils for the Predator and Micro lines, plus the cleaning compounds matched to each coil material. If you’ve got the data plate number from your unit, call us and we’ll tell you exactly what you need before anyone drives out.
Styles & brands we work with




Signs Your Abatement Technologies Coil Cleaning Is Failing
- Weak airflow at the registers even on high fan speed. A coil caked with dust and moisture acts like a damper. The blower is spinning fine; the air just has nowhere to go. This is the most common first sign we see in San Francisco’s older flats, where duct runs are already long and restrictive.
- A musty or sour smell when the unit first kicks on. That’s biological growth on the coil. In San Francisco’s fog belt, the coil rarely dries fully between cycles, so whatever lands on it stays wet and starts to grow. A cleaning with the right antimicrobial compound stops it; air fresheners just mask it.
- Higher humidity inside the house despite the unit running. If the coil is insulated with gunk, it can’t pull moisture out of the air. You’ll notice it most in the evening, when San Francisco’s marine layer rolls in and the indoor relative humidity climbs past what the unit used to hold.
- The unit is running longer cycles than it used to. A dirty coil transfers heat poorly, so the system works longer to hit the same setpoint. Your energy bill goes up and the coil gets worse. It’s a compounding problem.
- Visible dust or debris on the coil surface when you remove the access panel. If you can see buildup without touching anything, it’s already past the point of a simple filter change. Don’t try to brush it off yourself; those fins bend easily, and bent fins are harder to clean than dirty ones.
Replacement Cost & What’s Included
In San Francisco, expect to pay between $225 and $480 for a full Abatement Technologies coil cleaning, installed. That includes the coil pull if needed, the cleaning compound matched to your coil material, and reassembly with a pressure check. If the coil is too far gone and needs replacement, budget $380 to $750 depending on whether you have a Predator or Micro series unit.
What drives the range? Three things: how accessible your unit is, whether we’re pulling the coil or cleaning in place, and how much buildup we’re actually removing. A unit in a crawlspace off Geary takes longer than a garage unit in the outer avenues. Since 2004, we’ve put our policy on this job in writing every time: one flat price for the coil cleaning, written before work starts, with no per-vent add-ons and no surprise line items. Marcus Veale built the company on that specific promise, and nothing has changed it.
Every coil cleaning from us carries the 365-Day Done Right Promise. If the coil fails again within a year because our cleaning missed something, we come back and make it right at no charge. That’s not a promotion. It’s how we’ve operated since we started serving San Francisco.
| Service | Typical San Francisco Price Range |
|---|---|
| Coil cleaning (in place) | $225 – $320 |
| Coil cleaning (with coil pull for deep access) | $340 – $480 |
| Coil replacement (Micro series) | $380 – $520 |
| Coil replacement (Predator series) | $550 – $750 |
See the difference
Before
After
Before
After
Before
AfterDIY or Call Us?
There’s a safety picture here we don’t sugarcoat. Your Abatement Technologies unit runs on line voltage, and the coil sits right next to the blower and electrical connections. Before you touch anything, kill power at the breaker and verify it’s dead. We’ve seen too many homeowners pull a panel with the unit still live. Don’t be that person.
What you can safely do: remove the access panel, visually inspect the coil, and check the filter. If the coil looks dusty but not caked, a filter change might buy you time. What you should not do: spray generic coil cleaner from the hardware store. Those products can corrode aluminum fins if you don’t rinse them completely, and a partial rinse leaves residue that makes future buildup worse. It’s also easy to bend fins with a brush, and bent fins just trap more dirt. If you’re not sure, call a pro who can tell the difference between a cleaning and a replacement. Replacing a coil on these units takes us about two hours on average, and the price is in writing before we start.
FAQs
In San Francisco’s coastal climate, we typically see coils last 8 to 14 years before they need replacement, but they need real cleaning every 3 to 5 years to get there. Homes closer to the ocean in the Outer Sunset and Richmond see more corrosion than homes in Noe Valley or the Mission. If your unit sits in a damp crawlspace or unconditioned garage, knock a couple years off that estimate and plan for more frequent cleanings.
It depends on what’s wrong. If the coil is dirty but intact, cleaning restores most of its function. If the fins are bent, corroded, or leaking refrigerant, repair is almost always more expensive than replacement on these units. We’ll show you the coil before we recommend either path, and the price for whichever option you choose is in writing before work starts. Call (951) 527-6259 and we’ll walk through it honestly.
Most Abatement Technologies coil cleanings and replacements take under 3 hours from arrival to cleanup. That includes pulling the coil when needed, the cleaning itself, reassembly, and a pressure check to confirm airflow returned to spec. We send you the tech’s name and photo before they arrive, and they show a photo ID badge at the door. Call (951) 527-6259 for an exact estimate.
We keep coils and cleaning compounds for the Predator and Micro series on the truck most weeks, since those are the two lines we service most in San Francisco. For less common models or older copper coils, we order directly from our parts network and usually have them in 2 to 4 business days. We also work with parts from Lennox, Trane, and Carrier when we’re repairing a mixed system. If you give us your unit’s data plate number over the phone, we can tell you stock status before we schedule the visit. Call (951) 527-6259 to check availability.
Call Linden Air Duct San Francisco for Coil Cleaning
If your Abatement Technologies unit is showing any of the signs above, call us at (951) 527-6259 for a free estimate. A live person answers, day or night, no voicemail loops. We’ll give you a written price before any work begins, and the tech’s name and photo before they arrive. Since 2004, we’ve told San Francisco homeowners exactly what’s in their ducts, exactly what it takes to fix it, and exactly what it costs. Marcus Veale put it best: “If I wouldn’t put it in writing before the job starts, it shouldn’t come out of my mouth either.” That’s the standard we work to, every visit.
Written by Marcus Veale, Owner, Linden Air Duct San Francisco at Linden Air Duct San Francisco, serving San Francisco and nearby areas.