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 Air Quality & Sanitizing in Aurora: What to Know First
We provide independent Aprilaire air quality and sanitizing in Aurora for homeowners with whole-home humidifiers, air purifiers, and ventilation systems that have developed mold, bacteria, odors, or allergen buildup. Most Aprilaire sanitizing jobs in the Aurora area are completed in a single scheduled visit, with a written flat price agreed before any work starts - Haven Standard Clause 1. Typical whole-system Aprilaire sanitizing with documented photo record runs $340-$620 depending on the unit series and whether the plenum and duct runs require treatment beyond the appliance itself.
This page is for Aurora homeowners who own an Aprilaire Model 500, 600, 700, or 800 humidifier series, or an Aprilaire Model 5000 air purifier, and have noticed musty output, reduced airflow, or persistent allergy symptoms that point to contamination inside the unit or the connected ductwork. If that’s your situation, call (720) 513-5159. We’ll show you the photo first, then we talk about what comes next.
How Aprilaire Products Fail - and How We Fix Them
- Model 500/600 series humidifiers: The water panel evaporator sits in a stagnant reservoir during Aurora’s shoulder seasons when the furnace runs intermittently. We regularly find pink bacterial film (Serratia marcescens) coating the distribution tray in homes near the Aurora Reservoir, where higher humidity already strains the drainage. Our fix is a full disassembly, enzyme flush of the reservoir, and application of an EPA-registered sanitizer safe for Aprilaire’s polymer components - not bleach, which cracks the float housing.
- Model 700 fan-powered humidifiers: The internal fan draws attic or crawlspace air through the unit, and in Aurora’s clay-heavy soil zones like those east of Buckley Air Force Base, that air carries fine dust that mats onto the fan blades and housing. The result is a musty, forced odor every time the HVAC cycles. We remove the fan assembly, clean it with a HEPA-contained rotary brush system, and treat the housing with a botanical antimicrobial that won’t degrade the motor windings.
- Model 800 steam humidifiers: Electrode canisters scale rapidly with Aurora’s moderately hard municipal water (12-18 grains per gallon in most districts). Scale buildup traps organic material, creating a biofilm that releases bacteria into the steam. We descale the canister with manufacturer-approved citric acid solution, replace the canister if the electrodes are pitted beyond tolerance, and install a whole-house scale inhibitor if the homeowner plans to keep the unit long-term.
- Model 5000 electronic air purifiers: The ionizing wires and collector cells clog with pet dander and cooking particulate in Aurora’s newer, tighter-built homes along the E-470 corridor. When the cell can’t maintain its 6,000-volt charge, particles slip through and colonize the downstream ductwork. We remove and deep-clean the collector cell in a contained wash station, test the power supply output with a calibrated meter, and photograph the duct runs downstream to verify no mold has established past the unit.
- Model 8126X ventilation controllers: The enthalpy sensor fails open in Aurora’s dry winter conditions, running the ventilator continuously and pulling unfiltered outdoor air through the return plenum. That constant airflow deposits pollen and road dust on the damp interior surfaces of the ductwork, creating allergen reservoirs. We replace the sensor with an OEM Aprilaire part (aftermarket sensors misread Colorado’s low humidity and cause short-cycling), then sanitize the affected plenum sections with negative-pressure extraction and antimicrobial fogging.
Our Aprilaire Air Quality & Sanitizing Process

- 1
Written price first. We inspect the Aprilaire unit and connected ductwork with a borescope camera, identify the contamination type and extent, and deliver a flat price in writing before any panel comes off - Haven Standard Clause 1.
- 2
Unit-specific disassembly. We remove the water panel, fan assembly, or collector cell using Aprilaire’s own fastener patterns (no universal drivers that strip the housing), and lay components on a contained work surface.
- 3
Mechanical cleaning plus sanitizing. We clean with equipment matched to the component - rotary brush for fan housings, ultrasonic bath for collector cells, enzyme soak for humidifier reservoirs - then apply an EPA-registered sanitizer rated for HVAC systems.
- 4
Ductwork verification. We run a camera through the connected duct runs (the plenum, the trunk lines, and the first two branches) to confirm contamination hasn’t spread beyond the unit. Photos are taken before and after.
- 5
Reassembly and function test. We reinstall all components, verify proper operation - humidifier output, air purifier voltage, ventilator cycle timing - and run the system through a complete cycle while the homeowner observes.
- 6
Documented photo record delivery. The before-and-after images from every duct run and the unit interior are delivered as part of the standard job record, backed by the 365-Day Done Right Promise.
Before
AfterWhat Aprilaire Air Quality & Sanitizing Costs in Aurora
| Service | Typical Range | What Moves the Price |
|---|---|---|
| Model 500/600 humidifier sanitizing | $340-$450 | Reservoir condition, whether the distribution tray needs replacement |
| Model 700 fan-powered humidifier sanitizing | $380-$520 | Fan motor accessibility, extent of dust matting in housing |
| Model 800 steam humidifier descale + sanitize | $420-$620 | Canister replacement needed, scale inhibitor add-on |
| Model 5000 air purifier deep clean + cell service | $360-$480 | Cell damage, power supply test results, downstream duct condition |
| Plenum and trunk line antimicrobial treatment | $180-$340 additional | Linear feet of ductwork, access point count |
These are whole-system prices, not per-vent teaser rates that balloon once the truck is in your driveway. Every estimate is free, every price is written and agreed before work starts, and every job includes the documented photo record. Call (720) 513-5159 for an exact quote on your Aprilaire unit.
Why Aurora Homeowners Call CleanRun Duct Repair & Cleaning for Aprilaire Work

We’ve been running Aprilaire jobs in Aurora since 2013, and we’ve learned what the different series need - which cleaning agents won’t degrade the Model 700’s polymer fan housing, why the Model 800’s electrode canister is a replace-or-descale decision that changes the price by $180, and how to read a Model 5000 power supply output without guessing. Tomas Reyes, our owner and lead technician, keeps detailed before-and-after photos for every job from older ranch homes near the Aurora Hills Golf Course to newer builds along the E-470 corridor.
We also service Lennox, Trane, and Carrier air quality systems, so when an Aurora homeowner discovers their “Aprilaire” unit is actually a rebranded component or a mixed system, we don’t need to reschedule. The 365-Day Done Right Promise applies to every job, documented in writing, not subject to manager approval. Our technicians are background-checked and uniformed under Haven Standard Clause 3: Verified Crews, and our equipment roster - Rotobrush, Nikro, Abatement Technologies, Honeywell, Aprilaire, and Guardsman - is published so you can verify what enters your home.
FAQs
No, professional cleaning and sanitizing does not void the Aprilaire warranty, provided the work is done with EPA-registered products and without modifying electrical components. As an independent Aprilaire service provider, we use only manufacturer-compatible sanitizers and document our methods in writing as part of the job record. Call (720) 513-5159 if you need warranty documentation for your specific model.
For sensors and electrical components, we use OEM Aprilaire parts - aftermarket humidity sensors misread Colorado’s dry climate and cause the unit to short-cycle or run continuously. For consumables like water panels and canisters, quality aftermarket equivalents perform identically at lower cost, and we’ll show you both options in writing before you decide. Haven Standard Clause 1: the price you agree to is the price you pay, with no substitution surprises.
Every CleanRun job concludes with a Documented Photo Record of every duct run and the interior of the Aprilaire unit itself, before and after. You receive these images as part of the standard deliverable, timestamped and labeled by location. If a competitor’s “sanitizing” job ends with a verbal assurance and no photos, you have no evidence the work occurred. We started this practice in 2013 because we were tired of hearing about it from homeowners who’d already been burned.
Most Aurora homeowners need Aprilaire humidifier sanitizing every two to three years, and air purifier deep cleaning every two years - sooner if you have multiple pets, run the unit continuously, or live in a newer tight-built home where reduced air exchange lets particulate accumulate faster. The clay soils and seasonal pollen loads in the Aurora area add to the buildup compared to drier western climates. Call (720) 513-5159 and we’ll scope your unit to give you a condition-based recommendation, not a calendar sales pitch.
We can, but we won’t recommend it if our borescope shows contamination has migrated past the unit into the plenum or trunk lines - cleaning the humidifier and leaving mold in the ductwork is like changing a filter and ignoring a dirty engine. If the ductwork is clear, we’ll note it in writing and charge only for the unit service. Haven Standard Clause 1 means you know the full scope and price before we start, and you can decline any component without pressure.
Ready to get your Aprilaire system cleaned right? Call (720) 513-5159 for a free estimate. We’ll inspect the unit, show you what we find, and deliver a written flat price before any work begins.
Written by Tomas Reyes, Owner & Lead Technician, CleanRun Air Duct Cleaning Aurora at CleanRun Air Duct Cleaning Aurora, serving Aurora and nearby areas.




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