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.
Nikro Air Duct Cleaning in Dallas: What to Know First
Nikro air duct cleaning in Dallas runs $395 to $690 for a full residential system, with individually-owned Nikro negative-air machines handled exactly like the commercial units they are. We’re an independent Nikro service provider, not a factory-authorized shop, which means we repair and maintain Nikro equipment without the markup chains attach to brand-certified work. If you own a Nikro unit in Dallas and your air duct cleaning isn’t pulling the debris you know is in the lines, call (361) 309-6223 and we’ll tell you what’s actually wrong.
This page is written for Dallas homeowners and property managers who run Nikro equipment and want straight answers on cleaning, repair, and what to expect before a tech ever steps foot in the home. No teaser pricing. No per-vent gimmicks. Just the information you need to make a sound decision about your system.
How Nikro Products Fail – and How We Fix Them
Nikro builds negative-air machines and rotary brush systems that hold up well under commercial use, but Dallas homes have a way of finding every weak point. Here’s what we see on service calls across the metro, from Oak Cliff to Lake Highlands.
- Nikro DD Series (portable negative-air units): The collection bag seal degrades after repeated exposure to Dallas humidity cycles. When that seal lets go, the machine pulls air around the bag instead of through it, and you lose suction at the wand. Homeowners notice the pressure gauge reading normal while debris stops moving. Our fix is a seal replacement and a gauge recalibration, not a new motor.
- Nikro BR Series (rotary brush systems): The brush head bearings pick up fine drywall dust and pet hair in Dallas return ducts, then seize mid-job. The unit keeps spinning but the brush stops turning. We disassemble the head, flush the bearings, and replace them with sealed bearings when the originals are too far gone. Cheap aftermarket bearings fail again in six months; we use OEM or sealed upgrades only.
- Nikro HEPA filter modules: Dallas’s spring pollen load clogs HEPA filters faster than the hour meter suggests. Operators run the unit longer, the motor strains, and amp draw climbs until the thermal overload trips. The filter looks fine, but it’s clogged. We check amp draw on every Nikro cleaning call, not just the filter’s visual condition, because a loaded filter burns out motors that would otherwise last a decade.
- Nikro control panels and switches: The rocker switches on older Nikro frames corrode from the humidity swings we get between Dallas summers and winter freeze-thaw cycles. A unit that runs intermittently, or trips a breaker on startup, usually has a corroded connection at the panel, not a dead motor. We clean the contacts, replace them when needed, and verify the circuit before calling the job done.
- Nikro vacuum hoses and wand connections: The friction-fit connections wear loose after years of pulling through tight Dallas attic returns and tight crawl spaces. Air leaks at the joints drop static pressure and leave duct debris behind. We check every connection with a smoke test, not just a visual once-over, because a 5% leak makes a meaningful difference in how much debris actually leaves the system.
Styles & brands we work with




Our Nikro Air Duct Cleaning Process
Every Nikro cleaning job in Dallas follows the same order of operations, whether it’s a single-family home in Preston Hollow or a commercial property near the Design District. Roy Castellanos trained his crew to work methodically, and that discipline shows in the process.
- 1
Call and describe the system: You tell us what machine you’re running and what symptoms you’re seeing. We give you a written price range before we touch the door.
- 2
On-site inspection: We check the machine itself – motor amp draw, hose connections, filter condition, seal integrity – before we ever open a duct access. If the machine is the problem, we find it here.
- 3
Duct system diagnostics: We scope the supply and return plenums, check for loose duct connections, and identify restriction points that force the machine to work harder than it should.
- 4
Cleaning with the Nikro unit: We run the system through its full cycle, monitoring static pressure and debris capture throughout. If a filter clogs mid-job, we swap it and keep moving; we don’t call the job done on a half-loaded filter.
- 5
Verification: Before-and-after photos of the duct interior, plus a visual check of the collection bag to show what actually came out of the system.
- 6
Written documentation: You get a written record of what was done, what parts were used, and what the 365-Day Done Right Promise covers. If something fails within a year, we return at no charge – that’s the whole arrangement, in writing.
See the difference
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After
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AfterWhat Nikro Air Duct Cleaning Costs in Dallas
We price the job before we start and we don’t move the number at the door. Here’s what Dallas homeowners actually pay for Nikro air duct cleaning through Hollis Air Duct Dallas.
| Job Type | Typical Cost | What It Includes |
|---|---|---|
| Single-family, full system (supply and return) | $395 – $690 | Nikro negative-air cleaning, all accessible ducts, before-and-after photos |
| Single-family, one system (supply only) | $275 – $390 | Supply ducts and registers, filter check, collection bag disposal |
| Commercial property, per system | $0.18 – $0.35 per square foot | Full Nikro cleaning, video verification, written report |
| Dryer vent cleaning (add-on) | $89 – $130 | Full vent run, exterior termination check |
What moves the price: system size, duct accessibility (crawl space attics add time), how long it’s been since the last cleaning, and whether the Nikro machine itself needs a seal or filter replacement before the cleaning can start. Call (361) 309-6223 for an exact quote – estimates are free, and the price you get is the price you pay.
Why Dallas Homeowners Call Hollis Air Duct Dallas for Nikro Work
Most air duct cleaning outfits in Dallas know how to clean a duct. Very few know what to do when the machine doing the cleaning isn’t performing. We service Nikro equipment because we run it ourselves on commercial jobs – the same negative-air units and rotary brush systems that clean office towers in downtown Dallas are the units we maintain for homeowners in Richardson, Garland, and Mesquite. When the machine isn’t right, the cleaning won’t be right, and we’d rather fix the machine than fake the job.
We also service Lennox, Trane, and Carrier HVAC systems, which matters because your Nikro unit is cleaning the ducts attached to that equipment. A tech who understands the whole system – blower, coil, ducts, and cleaning machine – is a tech who won’t miss a restriction or a return design flaw that a one-trick cleaning crew would walk right past. Every job carries the 365-Day Done Right Promise in writing. If the work fails within a year, we return at no charge. That’s not a marketing slogan; it’s the standard Roy Castellanos runs every job against. Clean ducts, straight answers – that’s the whole job.
FAQs
We’re an independent facility, not a Nikro warranty center, so we don’t process factory warranty claims. What we do provide is our own written guarantee: every repair and cleaning job is covered by the 365-Day Done Right Promise. If a part we install or a cleaning we perform fails within a year, we come back and make it right at no charge. For factory warranty work, you’ll need a Nikro-authorized service provider. For everything else, we’re the shop that stands behind the work in writing. Call (361) 309-6223 to talk through what your Nikro unit needs.
Most single-family homes in Dallas take 3 to 5 hours for a complete clean. The size of the system and how much debris is in the ducts moves that number; a neglected system in a mid-century Oak Cliff ranch house can stretch a full day. We schedule a window and we hit it – the tech who arrives is the tech who does the work, not a subcontractor you’ll never see again. Call (361) 309-6223 and we’ll give you an honest time estimate for your specific system.
We use OEM Nikro filters when they’re available and cost-effective for the job. When an aftermarket filter makes more sense – usually because availability is better or the OEM part is priced for commercial procurement cycles – we use a filter that meets or exceeds the OEM spec, and we tell you which one went in your machine. A cheaper filter that doesn’t meet HEPA standard is worse than no filter at all; we won’t install one. Call (361) 309-6223 and we’ll walk you through what your Nikro unit needs before we order anything.
That depends on the motor and the frame. A Nikro negative-air unit with a sound motor and a solid frame can run for 20 years with the right maintenance; replacing a $40 seal or a $120 filter holder is almost always cheaper than a new machine. When the motor is worn or the frame is cracked, repair costs climb fast and replacement starts making sense. We’ll show you the numbers before you commit, and we won’t push a new machine if the old one has life left in it. Call (361) 309-6223 for an honest assessment.
Yes. The Nikro machine cleans the ducts; the HVAC brand doesn’t change how the cleaning is done. But we service all three – Lennox, Trane, and Carrier – which means we understand how your specific forced-air system moves air through the ductwork. That matters when a cleaning isn’t pulling the way it should and the problem is actually in the return design or a blower bottleneck, not the Nikro machine at all. Call (361) 309-6223 and we’ll schedule a full-system cleaning with a tech who sees the whole picture, not just the ducts.
Written by Roy Castellanos, Owner, Hollis Air Duct Dallas at Hollis Air Duct Dallas, serving Dallas and nearby areas.