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 Vent Sanitizing: The Aurora Owner’s Guide
CleanRun stocks and installs Aprilaire-compatible vent sanitizing systems for Aurora homeowners, with typical installed pricing between $340 and $580 depending on your duct configuration and whether the sanitizer integrates with an existing Aprilaire media cleaner or humidifier. We carry the full Aprilaire accessory line on our trucks, including the 1910, 1920, and 1990 series sanitizing modules, and most installs are completed in a single scheduled visit. Most Aurora owners discover their vent sanitizing isn’t working when they notice persistent mustiness after the HVAC cycles, or when a routine duct cleaning reveals biofilm buildup the sanitizer should have prevented.
Which Aprilaire Models This Applies To
Aprilaire vent sanitizing breaks down into three distinct series, and matching the right module matters more than most homeowners realize. The 1910 series is the entry-level UV-C sanitizer designed for single-stage furnaces with 16-inch cabinet widths, common in Aurora ranch homes built between 1965 and 1995. The 1920 series adds a higher-output lamp and wider mounting bracket for 20-inch cabinets, typically found in two-stage systems in newer construction along the E-470 corridor. The 1990 series is the whole-home photocatalytic unit that integrates directly with Aprilaire 5000-series electronic air cleaners.
Identifying your unit starts with the label inside the furnace cabinet, not the thermostat. Look for a silver Aprilaire tag with a four-digit model number and a manufacture date code. The lamp itself has a separate part number, usually 10-D or 10-U series, which determines replacement bulb compatibility. OEM Aprilaire lamps run $89 to $140 retail; we also stock quality aftermarket equivalents from Guardsman that meet the same 253.7 nanometer UV-C output spec at roughly 60 percent of the OEM cost. The catch with aftermarket: some lack the proprietary connector housing that Aprilaire uses on 1990-series units, so a 1990 install almost always requires the OEM lamp or a field-modified bracket. We verify connector fit before quoting, not after the cabinet is open.
Signs Your Aprilaire Vent Sanitizing Is Failing

- The HVAC smells like wet socks when it first kicks on. A functioning UV-C lamp breaks down organic matter before it colonizes the evaporator coil. When the lamp burns out, typically after 9,000 to 12,000 hours of runtime, microbial growth resumes in the condensate pan and first few feet of downstream duct. Aurora’s hard water and seasonal humidity swings accelerate this.
- You replaced the filter but the dust resettles within days. Vent sanitizing doesn’t remove particles, it neutralizes what lives on them. When sanitizing fails, biofilm-coated particles agglomerate and drop out of airflow faster than clean particles, creating visible dust rings around registers in homes near the Aurora Reservoir where windborne soil loads are already high.
- The indicator light on the module is dark or flickering. Aprilaire units have a small viewport LED that glows blue when the lamp is producing effective UV-C. A dark window means no output; flickering usually means ballast degradation, which will destroy a new lamp within weeks if not replaced.
- Your energy bill climbed without thermostat changes. Biofilm on the evaporator coil acts as insulation, forcing longer cooling cycles. We’ve measured 8 to 14 percent efficiency drops in Aurora homes where the sanitizer had been offline for two or more seasons.
- The lamp hasn’t been changed in three-plus years. UV-C output degrades steadily even when the visible glow persists. By year three, most lamps are producing less than 40 percent of their rated microbicidal intensity, which is functionally the same as having no protection.
Before
AfterReplacement Cost & What’s Included
Our installed pricing for Aprilaire vent sanitizing in Aurora is straightforward: $340 to $480 for a standalone lamp and ballast swap on 1910 or 1920 series units, and $480 to $580 for 1990-series integrated installs or jobs requiring new mounting hardware. The range reflects duct accessibility, not mystery fees. A lamp swap with the furnace in an open basement near Aurora Hills runs at the lower end; a 1990 retrofit in a finished utility closet with limited panel clearance, common in townhomes near Southlands, runs higher.
Every quote is written and agreed before work starts, per Haven Standard Clause 1. The price includes the lamp or module, ballast test, reflector cleaning, and a new viewport inspection sticker with the install date and next-change reminder. We also photograph the evaporator coil condition and the lamp viewport before and after, delivered as part of your Documented Photo Record. The 365-Day Done Right Promise covers the full installation; lamp life itself is manufacturer-warranted at 12 months pro-rated.
DIY or Call Us?

There’s a safe middle ground here, and then there’s the part where most homeowners stop.
What you can check yourself: confirm the indicator light status through the viewport, verify the furnace breaker is on, and note the last lamp change date from any sticker or invoice. If the lamp is older than 36 months, it’s due regardless of visible function.
Where DIY goes wrong: UV-C lamps operate at high voltage and the quartz glass is fragile. A cracked lamp releases mercury vapor, and the 253.7 nanometer wavelength causes serious eye and skin burns within seconds of direct exposure. Ballast replacement requires matching voltage and wattage precisely; a mismatch destroys the new lamp or creates a fire risk in the cabinet. We don’t recommend homeowners open the furnace beyond the filter rack. If your inspection suggests the sanitizer is failed or degraded, call (720) 513-5159. We’ll show you the photo first, then we talk about what comes next.
FAQs
Expect 12 to 18 months of effective output under normal use, though Aurora’s higher UV index and temperature swings in unconditioned utility spaces can shorten ballast life. The lamp may glow for three years while producing negligible sanitizing effect. Call (720) 513-5159 and we’ll test actual output with a UV meter as part of a free estimate.
Ballasts and lamps are modular replace-only components; there are no user-serviceable electronics inside. A failed ballast always gets a new unit, and lamps are sealed quartz tubes that cannot be recharged. We verify which component has actually failed before quoting, so you don’t pay for both if only one is dead.
A straightforward 1910 or 1920 lamp replacement takes 45 to 60 minutes including coil inspection and photo documentation. A 1990-series integrated install or a unit requiring new mounting hardware runs 90 to 120 minutes. We schedule a firm arrival window, not a day-long wait.
Yes. We carry 1910, 1920, and 1990 series modules, OEM and Guardsman-equivalent lamps, and the full connector hardware set. For less common legacy units, we can source within 24 hours through our Aurora supply house. If we don’t have it, we don’t schedule the appointment until we do.
CleanRun Duct Repair & Cleaning is an independent service provider and is not affiliated with Aprilaire. We also stock and install Lennox, Trane, and Carrier sanitizing components.
Ready to see what your ducts actually look like inside? Call (720) 513-5159 for a written estimate. Tomas Reyes or one of our uniformed, background-checked technicians will arrive on time, photograph every run, and quote a flat price before any work begins. That’s Haven Standard Clause 1, and it’s how we’ve operated since 2013.
Written by Tomas Reyes, Owner & Lead Technician, CleanRun Air Duct Cleaning Aurora at CleanRun Air Duct Cleaning Aurora, serving Aurora and nearby areas.




Before
After
Before
After