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 Air Duct Cleaning in Hempstead: What to Know First
Aprilaire air duct cleaning in Hempstead typically runs between $450 and $900 for a full system, depending on home size and how long it’s been since the ducts were touched. We’re an independent Aprilaire service provider, not a manufacturer authorized shop, which means we fix what’s actually wrong instead of upselling you into a replacement you don’t need. Most Aprilaire jobs in Hempstead take 3 to 5 hours from setup to final walkthrough, and the price is written down before we start.
This page is for Hempstead homeowners who own Aprilaire filtration systems or whole-home air quality equipment and want their ductwork cleaned without the bait-and-switch routine. Roy Castellanos and our crew know Aprilaire equipment because we’ve been inside enough Hempstead homes to know how these systems age here. Call (516) 559-4917 for a free estimate.
How Aprilaire Products Fail – and How We Fix Them
- Aprilaire 5000 electronic air cleaners packing the coils. The 5000 series uses high-voltage plates to catch particles, but in Hempstead’s older homes, dust still gets through. What we see constantly: the control electrode on the 5000 doesn’t get washed per schedule, so it arcs and shuts down, and the bypass duct fills with caked-on dust that a standard cleaning won’t touch. We remove the Aprilaire cell, clean the duct run behind it with a negative-air machine, and re-install it so the system actually pulls air again.
- Aprilaire 213 and 413 media filters collapsing in high-static ductwork. Hempstead homes built in the 1950s and 1960s often have tight original chases. When the duct static pressure climbs, the Aprilaire media pleats collapse on themselves. Owners see dust bypassing the filter and building up in supply registers. We correct the airflow first, then clean the supply and return runs so the new filter doesn’t load up in six weeks.
- Aprilaire bypass humidifiers spitting mineral scale into the supply duct. The 400 and 500 series humidifiers sit on the supply plenum. With Hempstead’s water, mineral crust builds on the water panel evaporator, and chunks break off into the duct. That scale is abrasive and sticks to the duct walls. We clean the supply ducts and replace the water panel as part of the job, because leaving the old panel guarantees the scale comes right back.
- Aprilaire ventilators and ERV cores packed with pollen. Near Hempstead Lake State Park, pollen loads run high from April through June. The Aprilaire 8100 fresh air ventilator pulls that pollen straight into the duct system. The MERV 6 core catches some of it, but bypass ducts around the unit still get coated. We pull the core, clean the duct branches feeding it, and reset the ventilation schedule so the system isn’t pulling unfiltered air during peak pollen hours.
- Return duct choking in split-level and ranch homes. Many Aprilaire systems in Hempstead use a single central return. On a split-level, the return run is long and under-sized, so it pulls dust from every room and dumps it at the filter. After one heating season, that return duct is lined with fine gray dust that most cameras miss. We run a Rotobrush rotary brush through the return first, then the supplies, because that’s the order that actually gets the system clean.
Styles & brands we work with




Our Aprilaire Air Duct Cleaning Process
Every Aprilaire job we do in Hempstead follows the same sequence. No shortcuts, no skipped steps.
- 1
Call and written estimate. You call (516) 559-4917. We ask about your home’s square footage, how many supply registers you have, and whether you own an Aprilaire air cleaner or humidifier. We give you a written price range before we set foot in the house. That price does not move at the door.
- 2
System walk-through. Roy or one of the crew walks the entire duct system with you. We check the Aprilaire filter condition, the return chase, and every accessible supply register. If there’s a humidifier or ventilator installed, we inspect the bypass duct and the water panel. We write the final price and you sign off before tools come out.
- 3
Negative-air setup. We seal each register and connect a Nikro negative-air machine to the supply plenum. This puts the whole duct run under negative pressure so the dust we dislodge goes into our HEPA-filtered collection unit, not back into your living room.
- 4
Rotary brush pass. A Rotobrush rotary brush works through each supply run, breaking loose the packed dust, scale, and debris that’s fused to the duct walls. On Aprilaire systems, we pay extra attention to the branch ducts near the air cleaner and humidifier, because that’s where the sticky buildup lives.
- 5
Return deep clean. The return side gets the same negative-air treatment plus a second brush pass. In Hempstead, return ducts are usually the dirtiest part of the system. If we find a collapsed Aprilaire media filter or a failed humidifier panel during the clean, we show you before replacing anything and give you the price first.
- 6
Final check and before-and-after photos. We walk the system with you one more time. You see photos of your ducts before and after. If anything isn’t right, we fix it then and there. The 365-Day Done Right Promise covers the job in writing for a full year.
See the difference
Before
After
Before
After
Before
AfterWhat Aprilaire Air Duct Cleaning Costs in Hempstead
| Job Type | Price Range |
|---|---|
| Single Aprilaire supply duct clean (with air cleaner replacement) | $180 – $340 |
| Full residential system clean (up to 10 supply registers, Aprilaire air cleaner included) | $450 – $700 |
| Full system clean + return duct overhaul | $650 – $900 |
| Aprilaire media filter replacement during a clean | $35 – $90 (varies by filter size) |
| Aprilaire humidifier water panel replacement during a clean | $25 – $50 |
What moves the price: the number of supply registers, how long it’s been since the last clean, and whether your Aprilaire air cleaner or humidifier needs parts. A full clean on a Hempstead ranch with 8 registers runs less than a split-level with 14. You’ll get the exact price in writing before we touch a single duct. Call (516) 559-4917 for a free estimate.
Why Hempstead Homeowners Call Hollis Air Duct Hempstead for Aprilaire Work
We’ve been at this since 2004, which means we’ve seen how Aprilaire systems fail in Hempstead houses that other companies never set foot in. We know the 5000 electrode arcing issue. We know the 400 series humidifier scale problem. We know the pollen loads near Hempstead Lake State Park. That means we don’t waste your time diagnosing something we’ve already seen a hundred times.
The 365-Day Done Right Promise is the reason people stay with us. If the job fails within a year, we come back at no charge. That’s written on every invoice, not implied. We also service Lennox, Trane, and Carrier systems, so if your Aprilaire equipment sits alongside another brand’s air handler, we handle the whole setup. Clean ducts, straight answers – that’s the whole job.
FAQs
No. Aprilaire’s warranty covers the equipment itself, not the ductwork attached to it. Cleaning the ducts does not void the warranty on your Aprilaire air cleaner, humidifier, or ventilator. We work around the Aprilaire components carefully and never open sealed units beyond what’s needed for a proper clean. As an independent Aprilaire service provider, we’re not authorized by Aprilaire, but our work doesn’t interfere with any manufacturer warranty.
In Hempstead, every 3 to 5 years is the honest answer. Aprilaire equipment catches a lot of what would otherwise coat your ductwork, but the bypass ducts around the air cleaner still pull dust. If you live near Hempstead Lake State Park or have mature trees on your lot, spring pollen loads may shorten that to every 2 to 3 years. Call (516) 559-4917 and we can inspect your system to see where you stand.
Yes. We carry Aprilaire media filters and water panels on the truck, and if yours needs replacing, we show you the old part before quoting you a price. You decide. We don’t replace parts without your sign-off. That’s part of the written pricing standard we’ve had since 2004.
Because they’re not cleaning the whole system. The low-ball quotes typically cover a “basic package” that skips the return duct, or they charge per vent instead of per system, which adds up fast once the crew is inside. We quote one flat price per system, written down before work starts, with no per-vent upcharge. If someone quotes you $99 for the whole house, ask what’s not included. Then call (516) 559-4917 and we’ll tell you straight.
We schedule jobs based on the written estimate, not on rushing a crew to your door. You’ll get a quoted arrival window and we arrive inside it. If you need a same-week appointment, call (516) 559-4917 and we’ll tell you what’s available honestly. Our phones are answered by a live person, 24/7, so you won’t leave a voicemail and wait until Monday.
Written by Roy Castellanos, Owner, Hollis Air Duct Hempstead at Hollis Air Duct Hempstead, serving Hempstead and nearby areas.