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 Duct Sealing & Repair: The Las Vegas Owner’s Guide
If your Aprilaire duct sealing has failed or is leaking, we repair and replace it throughout Las Vegas, typically for $285 to $620 installed depending on your system size and how much of the duct run needs re-sealing. Most jobs are completed same-day once we’re on site, and we carry Aprilaire-compatible sealing materials and replacement collars on the truck so there’s no second-visit wait. Owners usually find us after noticing one of two things: a whistling sound from a supply register that wasn’t there before, or a room that’s suddenly 6 degrees warmer than the rest of the house despite the AC running full tilt. Both point to the same root cause – a seal that’s given up after years of desert air working on it.
Which Aprilaire Models This Applies To
This work applies to Aprilaire whole-home systems that use in-duct sealing components – the model lines most common across Las Vegas are the 5000 series electronic air cleaners, the 2000 and 4000 series media air cleaners, and any Aprilaire dehumidifier that’s ducted inline (models beginning with E080, E100, and E130). The compatibility gotcha most owners don’t discover until a tech points it out: Aprilaire components sit in a housing that’s often a different gauge than the surrounding ductwork, which means the seal between the Aprilaire cabinet and your existing duct is the single most likely failure point. That transition collar is where Las Vegas heat does its worst work.
You’ll find a silver or white label on the side of the Aprilaire cabinet with the model number stamped on it. If the label’s faded (common in attics here), measure the cabinet opening – 16″ x 20″, 20″ x 20″, and 16″ x 25″ are the Aprilaire footprints we see most. When it comes to replacement parts, we install both OEM Aprilaire sealing kits and quality aftermarket equivalents from brands we’ve tested in desert conditions. Our honest guidance: for the sealing gaskets and collars, a good aftermarket part performs identically to OEM. For the Aprilaire housing itself or internal components, stick with OEM – the tolerances matter more there.
Styles & brands we work with




Signs Your Aprilaire Duct Sealing & Repair Is Failing
- Whistling or hissing at the Aprilaire cabinet. Air is escaping around the seal where the cabinet meets the duct. In Las Vegas, the repeated heating and cooling cycles of a 110-degree attic cause the sealant to become brittle and crack, and that’s where the air finds its way out.
- One or two rooms suddenly warmer than the rest. The leak downstream of the Aprilaire unit means those registers aren’t getting full pressure. You’ll feel it most in the rooms farthest from the air handler.
- Dust collecting faster around the Aprilaire cabinet. When the seal fails, the negative pressure around the unit pulls unfiltered attic air into the system, and that dust settles directly around the leak point. If you’re wiping down the top of the Aprilaire housing every other week, the seal is gone.
- Higher AC bill with no change in thermostat settings. Your system is conditioning air that leaks into the attic instead of your living space. In a Las Vegas summer, that wasted energy shows up in the bill within the first full billing cycle.
- You can feel air moving around the cabinet. Put your hand near the seam where the Aprilaire unit connects to the duct while the fan runs. If you feel cool air or a draft, the seal has failed. This is the simplest check and the one that confirms it before any tools come out.
Replacement Cost & What’s Included
For Las Vegas homeowners, sealing and repairing an Aprilaire duct connection runs $285 to $620 installed, and it depends almost entirely on three things: how many transitions need re-sealing, whether the ductwork itself is damaged at the connection point, and how accessible the unit is. A ground-floor closet install with a single failing seal lands at the lower end. An attic unit that requires re-sealing both the supply and return sides with some duct repair at the collar lands higher. That’s the honest math.
What you get at that price: we remove the failed sealing material, clean the mating surfaces, apply a duct sealant rated for the temperature swings we get in Las Vegas attics (which can hit 140 degrees in July), and reinforce the connection with foil-backed tape where needed. If the duct itself is torn or crushed at that junction, we tell you before we touch it and include the duct repair in the written price. No surprise line items at the end. The work is covered by our written 365-Day Done Right Promise – if that seal fails again within a year, we come back and fix it at no charge. Period.
See the difference
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After
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After
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AfterDIY or Call Us?
Here’s the honest split. You can absolutely do the diagnostic part yourself – the hand-near-the-cabinet check and the visual inspection for cracking or peeling sealant. Those take ten minutes and they’ll tell you if you actually have a problem. What you shouldn’t do is re-seal an Aprilaire cabinet yourself, especially if it’s in an attic. The sealants sold at home improvement stores aren’t rated for the temperature swings of a Las Vegas attic, and a failed DIY repair means the same leak comes back inside two summers. The other thing we see: homeowners who seal around the hinge side of the Aprilaire access door because air is pushing out there, not realizing the real leak is back at the collar, and now they’ve made the filter door a permanent part of the housing. If it’s a ground-floor closet installation with a visible, simple seam, some owners can patch it successfully. If it’s anywhere else, call us at (725) 726-5532 and we’ll handle it right the first time.
FAQs
A properly done duct seal on an Aprilaire unit in Las Vegas lasts 8 to 12 years before the combination of attic heat and air pressure starts breaking the sealant down. The original factory seals typically fail in the 5 to 8 year range, which is why most Las Vegas homeowners deal with this once during the life of their system. After a professional re-seal with material rated for desert temperatures, you should get a decade out of it. Call (725) 726-5532 if you suspect yours is leaking and you want an exact look at the condition.
In most cases, failed Aprilaire duct sealing can be repaired by removing the old sealant, cleaning the surfaces, and applying new material properly. Full replacement of the collar or transition is only needed when the duct itself is damaged, crushed, or torn at the connection point. We’ll tell you which one you’re looking at before any work begins. Call (725) 726-5532 and we’ll walk through what you’re seeing.
Most Aprilaire duct sealing repairs in Las Vegas take 1 to 2 hours on site, including the time to remove the failed material, prep the surfaces, apply the new seal, and test the system under fan pressure. An attic installation on a summer afternoon takes longer because we work in short cycles to stay safe in the heat. Plan on a half-day window, though the actual work is typically done in an hour or two.
We stock Aprilaire-compatible sealing collars, gaskets, and sealant on our service truck, along with parts for other common systems in Las Vegas including Lennox, Trane, and Carrier. For most jobs, we have what’s needed on the first visit. If your system needs a specific OEM Aprilaire component we don’t carry that day, we can usually source it from a local supplier within one business day. Give us a call at (725) 726-5532 with your model number and we’ll confirm before we head out.
Talk to Us About Your Aprilaire System
If your Aprilaire duct sealing is failing, if you’re hearing a whistle from a register, or if you just want a second opinion on what a previous company told you, call (725) 726-5532 for a free estimate. We’ll ask about your system, give you a straight price range over the phone, and schedule a time that works. When we arrive, you’ll get the tech’s name and photo before the visit, and a photo ID at the door – that’s the Threshold Standard on every single call. And as Marcus Veale will tell you, if you can’t see what we repaired, we didn’t do the job right.
Written by Marcus Veale, Owner, Linden Air Duct Las Vegas, serving Las Vegas and nearby areas.