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.
Aprilaire Coil Cleaning: The San Diego Owner’s Guide
If your Aprilaire system’s coils are coated in dust, pollen, and that fine San Diego coastal grime, we can help. Coil cleaning for Aprilaire units in San Diego typically runs between $185 and $385 installed, and we carry the cleaning solutions and access tools on our trucks for most Aprilaire models. Most homeowners call us after noticing their AC runs constantly but the house never really cools down, or the energy bill jumps in August with no obvious explanation.
Dirty coils force your system to work harder than it should. The coil is where heat exchange happens. When it’s blanketed in the fine dust and salt air we get here in San Diego, it can’t shed heat properly. The compressor strains, the air coming out of the vents feels lukewarm, and your system ages faster than it should. The fix is straightforward: a proper coil cleaning with the right cleaning agent, the right rinse method, and enough access to actually see what you’re doing.
Which Aprilaire Models This Applies To
Aprilaire doesn’t manufacture standalone AC coils the way some HVAC parts suppliers do. What Aprilaire makes are whole-home air purifiers, dehumidifiers, humidifiers, and ventilation systems. The coil cleaning we’re talking about applies to the Aprilaire equipment installed in line with your HVAC system, plus the evaporator coil in the air handler or furnace cabinet that works alongside Aprilaire filtration. On most San Diego homes, that means one of two configurations: an Aprilaire media filter cabinet or electronic air cleaner mounted upstream of the evaporator coil, or an Aprilaire dehumidifier (models like the 1850 or E080) with its own internal coil that needs periodic cleaning.
Here’s the compatibility gotcha we see regularly: not every Aprilaire dehumidifier has a cleanable coil. The E080 and E100 models use a sealed refrigeration circuit, and if the internal coil is corroded from years of coastal air, cleaning won’t save it. You’re looking at replacement, not cleaning. The older 1700-series and 1750/1770 whole-house dehumidifiers have accessible coils that respond well to cleaning when done before corrosion sets in. If you’re not sure which you have, pull the model number off the data plate on the side of the unit. We’ll match it over the phone before we dispatch a technician.
One more thing worth knowing: the coil in your AC system itself, whether the air handler is a Carrier, Lennox, Trane, or any other brand, gets cleaned the same way as the coil in an Aprilaire dehumidifier. The Aprilaire part of your air quality setup handles filtration and humidity. The coil handles temperature. Both need to be clean for the system to work as a whole.
Styles & brands we work with




Signs Your Aprilaire Coil Cleaning Is Failing
- Your AC runs 45 minutes or more without reaching the set temperature. A coated evaporator coil can’t absorb heat from the air, so the system works longer and harder. In San Diego’s inland valleys like El Cajon or Santee, this shows up as a house that stays at 78°F no matter where you set the thermostat.
- Your energy bill jumped 20-30% in a summer month with similar usage. A restricted coil forces the compressor to run at higher head pressure. That draws more electricity. If the usage pattern on your bill looks familiar but the dollar amount doesn’t, dirty coils are a prime suspect.
- The air from your vents feels cool but weak. When the coil is matted with dust and pet hair, airflow through it drops. You lose velocity at the registers even though the temperature of the air feels acceptable.
- You find water pooling around the air handler or see rust on the cabinet. A dirty coil can freeze over, and when it thaws, water drips where the drain pan can’t catch it. We’ve seen ruined drywall and subfloor from this in Clairemont homes where the air handler sits in an interior closet.
- The Aprilaire filter looks clean but the air still feels stale or humid. When the coil itself is fouled, replacing the filter won’t fix the problem. The coil is downstream of the filter and accumulates whatever gets past it plus the condensation that turns that dust into a biological film.
See the difference
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After
Before
After
Before
AfterReplacement Cost & What’s Included
For most Aprilaire dehumidifier coil cleanings in San Diego, you’re looking at $185 to $285 installed. Evaporator coil cleaning on your main AC system runs $245 to $385 depending on access. That access question drives most of the price difference. If your air handler is in a garage with a removable panel right at the coil, it’s straightforward work. If it’s in a tight attic or a crawl space under a 1960s Clairemont ranch, the labor goes up because the technician is working in confined conditions with limited tool clearance.
Every coil cleaning includes the cleaning agent, the rinse procedure, a visual inspection of the coil condition, and before-and-after photos of the coil surface. We write the price on the work order before we touch anything, under the Kingswell Guarantee. That means the number you approve is the number you pay. If the coil is too far gone for cleaning to help, we stop and tell you before we waste your money on a cleaning that won’t hold. The 365-Day Done Right Promise applies: if the coil re-fouls within the guarantee period due to something we missed, we come back and address it at no charge.
DIY or Call Us?
There’s a safe middle ground here, but I want to be straight with you about where it ends. You can check your air filter monthly, keep the area around the air handler clear, and look for the water-pooling and rust signs I described above. What you shouldn’t do is pull the access panel and start spraying anything into an electrical cabinet. Evaporator coils sit directly above circuit boards, blower motors, and line-voltage connections. Spray the wrong cleaner in the wrong direction and you can short out a control board that costs more than the cleaning would have.
Also, the right way to clean a coil isn’t with a garden hose or a household spray bottle. It’s a specific foaming or self-rinsing coil cleaner matched to the coil material, followed by controlled rinsing or evacuation. We use professional-grade products designed for HVAC coils, and we contain the runoff so it doesn’t end up dripping through your garage ceiling. Call Dale Whitmore and the team at Kestrel Air Duct San Diego at (619) 695-0424. We’ll tell you over the phone whether your situation sounds like a cleaning or something else, with no charge for that conversation.
FAQs
Under normal San Diego conditions, a properly cleaned coil should stay clean for 3 to 5 years, assuming filters are changed on schedule and the system isn’t pulling in construction dust or wildfire ash. Coastal homes with salt air exposure may need attention sooner because salt attracts and holds moisture against the coil. If you’re changing filters monthly and still seeing buildup within a year, there’s likely an airflow bypass issue we should look at. Call (619) 695-0424 and we’ll assess it honestly.
Coils aren’t really repairable in place. If the fins are bent, they can be straightened with a fin comb. If the coil is leaking refrigerant, that’s a replacement job, not a cleaning or repair. If the coil is corroded to the point where the aluminum is flaking away, cleaning won’t bring it back. We’ll tell you which situation you have before any work begins. Call (619) 695-0424 for an honest assessment.
Most Aprilaire dehumidifier coil cleanings take 45 to 90 minutes once the technician is on site with the tools laid out. Evaporator coil cleanings on main AC systems run 1.5 to 2.5 hours depending on access and how caked the coil is. We give you a defined arrival window when you book, so you’re not waiting around all day. Call (619) 695-0424 to schedule.
Yes. Our trucks carry coil-cleaning agents for both aluminum and copper coils, fin combs, access tools, and the rinse and capture equipment needed to do the job without making a mess. If your system needs a specific Aprilaire replacement part like a filter media or a dehumidifier component, we can source it and bring it back for a follow-up visit. We’re an independent service provider, not affiliated with Aprilaire, but we work with their equipment daily. Call (619) 695-0424 and we’ll match parts to your model number before we arrive.
Written by Dale Whitmore, Owner, Kestrel Air Duct San Diego at Kestrel Air Duct San Diego, serving San Diego and nearby areas.