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 Austin Owner’s Guide
Aprilaire coil cleaning in Austin typically runs $180 – $320 for a full evaporator coil service, and we stock the cleaning solutions and access tools for most Aprilaire models on our trucks. You’ll usually know it’s time when your AC runs longer to hit the same temperature, or you notice airflow at the registers feels weaker than it did last summer. We’re an independent service provider, not affiliated with Aprilaire, but their coils are one of the most common we service across Austin homes.
The Aprilaire evaporator coil sits inside your air handler, right above the furnace or blower. Over a Texas cooling season, that coil becomes a filter for everything your return ducts pull in: dust, pet hair, cooking grease, and the fine clay dust that blows in from the Hill Country. When the coil gets caked, your system loses two things at once: cooling capacity and efficiency. The compressor works harder, the coil runs warmer, and your electric bill climbs while the house stays muggy. Omar Haddad and our crew see this pattern constantly during Austin’s May-to-October stretch, especially in older homes around Crestview and Allandale where the return ducts pull from unconditioned space.
Clean air isn’t a luxury – it’s just what your system was built to deliver.
Which Aprilaire Models This Applies To
Aprilaire evaporator coils are installed as part of matched HVAC systems, so the coil model is tied to the air handler or furnace it’s paired with, not a standalone Aprilaire part number in most cases. What you’ll see on the equipment label is an Aprilaire coil model that starts with a series prefix like AC, EC, or WC, followed by a size designation. The number after the prefix tells you the coil’s nominal tonnage range; for example, a coil labeled for a 3-ton system is sized for roughly 1,200 – 1,400 CFM of airflow in an Austin home.
The compatibility gotcha we see most often in Austin is mismatched coil sizing. A coil that’s too small for the condenser outside will freeze up in July; a coil that’s too large won’t dehumidify properly, and you’ll feel that sticky, clammy cold instead of the dry, crisp cooling a properly matched Aprilaire system delivers. If you’re replacing a coil rather than cleaning it, the new one has to match the condenser’s SEER rating and tonnage, not just the physical cabinet size. We carry OEM Aprilaire cleaning solutions and also stock quality aftermarket equivalents from brands like Nu-Calgon and DiversiTech that perform identically on Aprilaire coils while costing less. For parts replacements beyond cleaning, we work with Aprilaire, Lennox, Trane, and Carrier coils, and we’ll give you the OEM-vs-aftermarket price difference up front so you can decide with the numbers in front of you.
One more thing worth knowing: Aprilaire coils from the last decade use aluminum fins with copper tubing. Older units, especially pre-2010 installs around Austin’s established neighborhoods like Rosedale and Hyde Park, sometimes have all-aluminum or all-copper coils. Aluminum fins are more prone to corrosion from Austin’s hard water when the condensate doesn’t drain properly, and that corrosion is what turns a simple cleaning into a coil replacement. We check the coil’s metal condition before we quote anything, so there are no surprises mid-job.
Styles & brands we work with




Signs Your Aprilaire Coil Cleaning Is Failing
- Longer run times with no change in thermostat setting. A dirty coil insulates the refrigerant from the air passing over it, so the system runs longer to move the same amount of heat. If your AC used to cycle off for 20 minutes at a stretch and now runs nearly nonstop from 3 p.m. onward, the coil’s heat transfer has dropped measurably.
- Weak airflow at the registers. A heavily soiled coil restricts air movement through the entire system. You might notice the vents in the back bedrooms feel noticeably weaker than the ones closer to the air handler, or you hear the blower working harder but feel less air at the farthest register.
- Mold or musty smell when the AC first kicks on. Austin’s humidity means a dirty coil with trapped organic matter becomes a breeding ground for biofilm. That damp, sour smell on startup is the coil off-gassing whatever’s growing on it, and it won’t go away by changing the filter.
- Frozen coil or ice on the refrigerant line. When the coil is dirty enough to starve the system of airflow, the coil temperature drops below freezing and ice forms. You might see frost on the copper line set outside, or water pooling under the air handler that isn’t coming from a clogged drain line.
- Electric bill creeping up month over month. A dirty coil can drop system efficiency by 15 – 25%, which in an Austin summer translates directly to dollars. If your bill jumped $40 – $60 from June to July with no change in usage habits, the coil is often the first place we look.
See the difference
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After
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AfterReplacement Cost & What’s Included
For a full Aprilaire evaporator coil cleaning in Austin, you’re looking at $180 – $320 for a typical single-system home. That range covers the cleaning itself, the coil-safe cleaning solution matched to your coil’s metal type, condensate drain line clearing if it’s plugged, and a before-and-after static pressure reading so you can see the airflow improvement in numbers, not just our word for it.
What moves the price within that range: how accessible the coil is (some Austin homes have the coil installed in a tight closet or attic with cramped clearance, which adds labor time), how heavily soiled the coil is (a coil that hasn’t been touched since 2012 takes longer than one cleaned two years ago), and whether the drain pan or line needs extra work. If we find the coil is too far gone for cleaning to help, we’ll show you the condition with photos and give you a replacement quote on the spot. That quote includes the Aprilaire-compatible coil, refrigerant recovery and recharge, and a written guarantee on the work. Every coil cleaning and replacement we do in Austin is backed by our 365-Day Done Right Promise: if the work isn’t right within a full year, we return and correct it at no charge.
You get a written price before a single tool comes off the truck. No per-coil surprises, no upsell pressure, and no number that changes once we’re inside.
DIY or Call Us?
Here’s the honest split. There are things you can safely check on your own, and there’s the point where you should hand it to someone who does this every week. You can safely check your air filter (a clogged filter is the number one cause of coil problems, and replacing a $15 filter beats a $250 coil cleaning every time). You can look at the visible portion of the coil if you have an access panel that opens without tools, and you can check whether the condensate drain line is draining when the AC runs.
Here’s where DIY goes wrong: the coil sits inside a sealed, pressurized system. Getting a real cleaning done means opening the air handler, protecting the blower and electrical components from cleaning solution, and sometimes pulling the coil out entirely. Coil cleaning chemicals are alkaline or acidic depending on the coil material; the wrong chemical eats aluminum fins. And if you kink a refrigerant line or crack a fitting while moving things around, you’ve turned a $250 cleaning into a $1,800 repair. This is a job where the risk-reward math favors calling us. We run Rotobrush contact-vacuum equipment and Nikro HEPA negative-air machines on coil cleanings, so the loosened debris goes straight into the vacuum, not into your living room. If you’d rather have it done right the first time, call (940) 283-6595 and we’ll get you a written quote before anything starts.
FAQs
A typical Aprilaire coil cleaning in an Austin home takes 1.5 to 2.5 hours from start to finish, depending on how accessible the coil is and how heavily soiled it’s become. Most jobs are done in a single visit, and we’ll give you a live trackable arrival window through The Relay Standard so you know when we’re pulling up, not just a four-hour range.
Cleaning fixes most dirty-coil problems: reduced airflow, frozen coils, musty smells, and efficiency loss all respond well to a proper coil cleaning. Replacement is only needed when the coil has physical damage like corrosion from Austin’s mineral-heavy condensate, a refrigerant leak at the coil, or fins that have deteriorated to the point where cleaning would strip them further. We’ll show you photos of exactly what we’re seeing before we recommend anything beyond a cleaning.
Yes, our trucks carry Aprilaire-compatible cleaning solutions matched to both aluminum and copper coils, plus the access tools and drain line equipment for most Aprilaire coil configurations. That means we can usually complete the cleaning in one visit without ordering parts. If your coil needs replacement rather than cleaning, we’ll quote you the part cost and availability on the spot.
In Austin’s climate, we recommend an evaporator coil cleaning every 3 to 5 years for most homes, or every 2 to 3 years if you have pets, live near active construction, or your return ducts pull from a crawlspace or attic. The deciding factor is usually what we see on the coil during an inspection, not a calendar schedule. Call (940) 283-6595 and we’ll help you figure out whether your coil is due, with no obligation and no pressure either way.
If your Aprilaire system isn’t cooling like it should be, don’t wait for the first 100-degree day to find out the coil was the problem all along. Call Cardinal Air Duct Austin at (940) 283-6595 for a free estimate, and we’ll give you a written price before any work begins, a live arrival window you can track, and before-and-after photos of your own coil so you can see exactly what we did.
Written by Omar Haddad, Owner, Cardinal Air Duct Austin at Cardinal Air Duct Austin, serving Austin and nearby areas.