Whole-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 The Woodlands Owner’s Guide
Aprilaire evaporator coil cleaning in The Woodlands typically runs $340-$580 for a full system service, and we stock the compatible cleaning agents and tools for same-day scheduling when you call before noon. We match our process to your specific Aprilaire model series, whether it’s a standalone air cleaner or the coil housed inside an Aprilaire-equipped furnace or air handler. Most homeowners in The Woodlands realize their coil needs attention when the upstairs never quite cools in July, or when their Aprilaire media filter loads up twice as fast as it used to.
Which Aprilaire Models This Applies To
Aprilaire builds coil-based components into several product families, and the cleaning approach changes depending on which one you own. The 5000 Series Electronic Air Cleaners contain a dedicated evaporator-style coil assembly that collects particulate before it reaches your main HVAC coil. The 1000, 2000, and 4000 Series media air cleaners sit upstream of the coil and, while they don’t contain coils themselves, a failed or saturated media frame forces debris straight onto the main evaporator coil. The 600, 700, and 800 Series humidifiers mount at the plenum and can harbor mold on their internal water panels that migrates to adjacent coil fins.
To identify your unit, check the label on the access door or side panel. Aprilaire stamps a four-digit model number and a two-letter manufacturing date code. The date code matters in The Woodlands: units manufactured before 2015 used aluminum fins with a thinner coating, which corrodes faster in Gulf Coast humidity. We carry both OEM Aprilaire cleaning solutions and Abatement Technologies-compatible foaming agents rated for those older fin stocks. If your label is worn, measure the access opening. A 16-by-25-inch opening almost always indicates a 2000 or 4000 Series housing; 20-by-25-inch points to the 5000 Series or a large-format humidifier.
Signs Your Aprilaire Coil Cleaning Is Failing

- Uneven cooling between floors. The upstairs bedrooms run four to six degrees warmer than the thermostat setting. What we find on camera: a debris mat across the first two rows of coil fins, restricting airflow to the upper trunk line that feeds the second floor.
- Ice formation on refrigerant lines. You see frost on the copper lineset where it enters the plenum, even in August. What we find: a partially blocked coil dropping the refrigerant temperature below the dew point, freezing condensation before it can drain.
- Musty odor when the blower cycles on. The smell hits for thirty seconds, then fades. What we find: microbial growth on the coil surface and the drain pan beneath it, common in The Woodlands homes where indoor humidity sits above 55 percent for six months of the year.
- Media filter replacement interval cut in half. Your Aprilaire filter used to last six months; now it’s gray at ninety days. What we find: a dirty coil creating backpressure that forces more debris to collect on the filter media upstream.
- Water stains below the air handler. You notice discoloration on the ceiling drywall or the garage floor. What we find: a clogged primary drain, often caused by algae feeding on organic film washed off a dirty coil during normal condensation cycles.
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AfterReplacement Cost & What’s Included
Our Aprilaire coil cleaning service in The Woodlands is priced by system, not by vent count. A single air handler or furnace-mounted coil runs $340-$480. A split system with both an attic air handler and a downstairs furnace, each with its own coil, runs $480-$580. The range accounts for accessibility (attic trunks in August add time) and whether we need to remove and clean the blower assembly to restore proper airflow.
Every job includes: negative-pressure extraction of the plenum and trunk lines, foaming cleaner applied at manufacturer-specified dwell time, rinse and dry cycle, drain pan and line treatment, and a Documented Photo Record of the coil condition before and after. We deliver the written price before any panel comes off, under Haven Standard Clause 1. The work is backed by our 365-Day Done Right Promise.
DIY or Call Us?

There is no safe DIY coil cleaning for Aprilaire components. The evaporator coil sits under refrigerant pressure, and the fins bend permanently if you touch them with anything harder than a soft brush. Foaming cleaners sold at hardware stores are often too alkaline for Aprilaire’s fin coating, and we’ve replaced coils in The Woodlands homes where a homeowner’s spray-on treatment corroded through the copper tube. The electrical compartment is inches away from the wet zone, and the drain pan has live low-voltage connections.
What you can do safely: check your Aprilaire media filter monthly, verify the condensate drain line exits freely at the exterior, and listen for blower strain. Everything else requires opening the plenum, which means breaking the seal that maintains your system’s airflow balance. Call (346) 248-1474 and we’ll put a written price next to your model number before we schedule.
FAQs
In The Woodlands, a properly cleaned coil stays clear for two to three years if you change the upstream media filter on schedule. Gulf Coast humidity accelerates microbial regrowth, so homes without whole-home dehumidification tend toward the shorter end of that range. Call (346) 248-1474 and we can check your current filter schedule against what we’re seeing in Panther Creek and Sterling Ridge.
No. Once fin corrosion or debris compaction has occurred, cleaning is the only restoration option short of coil replacement, which runs $1,200-$2,400 installed. We photograph the fin condition during our inspection so you can see whether cleaning is viable or if replacement is the honest recommendation. Call (346) 248-1474 for a free second opinion on any written estimate.
Most Aprilaire coil cleanings take two to three hours from arrival to final photo review. Attic-mounted air handlers in The Woodlands add thirty to forty minutes for safe access setup in summer heat. We do not rush the foaming agent dwell time; cutting it short leaves organic film that regrows in months.
Yes. Our trucks carry Aprilaire-compatible foaming cleaner, Abatement Technologies HEPA-rated rinse equipment, and Guardsman fin-safe brushes sized for both pre-2015 and current fin spacing. We also stock Lennox, Trane, and Carrier coil cleaning compounds for mixed-brand systems common in The Woodlands homes built between 2015 and 2020.
CleanRun Air Duct Cleaning The Woodlands is an independent service provider and is not affiliated with Aprilaire. Equipment brands named are used in accordance with manufacturer specifications.
The before photo does the talking. Everything else is just paperwork. When you’re ready to see what’s actually inside your Aprilaire system, call (346) 248-1474. A live person answers, we’ll confirm your model number, and you’ll have a written price before we put a single tool on the truck.
Written by Tomas Reyes, Owner, CleanRun Air Duct Cleaning The Woodlands at CleanRun Air Duct Cleaning The Woodlands, serving The Woodlands and nearby areas.




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