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.
Why Yonkers Homeowners Choose Lennox Air Duct Cleaning
We provide Lennox in Yonkers as an independent air duct cleaning service, specializing in the airflow problems that plague Legacy, Dave Lennox Signature Collection, and Elite Series systems across Westchester. What makes our Lennox work different is that we clean and seal the entire duct system the way Lennox equipment was designed to operate, not just run a vacuum through the registers. If your Lennox system is moving weak air, smelling musty, or coating rooms in dust, call (914) 613-6563 and we’ll diagnose the actual cause.
We work on Lennox equipment daily across Yonkers, from pre-war apartment conversions near Getty Square to split-levels in Park Hill and Nodine Hill with original 1940s galvanized ductwork. As an independent Lennox service provider, we’re not affiliated with or authorized by Lennox. We earn our reputation by knowing how these systems fail in this city’s specific housing stock and fixing them properly.
Why Trust Cardinal Air Duct Yonkers for Your Lennox Air Duct Cleaning?
Omar Haddad, owner of Cardinal Air Duct Yonkers, picked up his first HVAC fundamentals at Los Angeles Trade-Technical College before moving east and spending years running Lennox jobs across Yonkers. He knows the quirks: the way an Elite Series air handler pulls air through a leaky return plenum in a Nodine Hill basement, the way a Legacy furnace’s original ducts shed rust particles near uninsulated foundation walls. That’s earned knowledge, not brochure talk.
Every Lennox service call starts with a written price handed to you before any work begins. Not an estimate that shifts once the technician is inside. We use professional-grade Rotobrush rotary brush systems and Nikro HEPA negative-pressure vacuums. Negative-pressure extraction means the loosened debris goes straight into the vacuum, not back into your living room. And our 365-Day Done Right Promise covers every Lennox job without exception: if the work isn’t right within 365 days, we return and correct it at no charge.
We’re part of the Relay Home Co. family, founded 2005, which means your Lennox service includes The Relay Standard: a live trackable arrival time, before-and-after photos of your ductwork, and a digital invoice payable from your phone. A live person answers our line 24/7. No voicemail loops, no phone tag.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Fix in Yonkers
- Excessive dust buildup during cooling season on Legacy and Merit Series systems. High-efficiency filters on these units trap more particles, but when homeowners don’t change them regularly in Yonkers’s humid summers, the filter loads up and becomes a dust reservoir. We see supply ducts packed with fine white particulate in homes throughout Park Hill where filters sat for a year or longer.
- Poor airflow from return plenum leaks on Elite Series air handlers. The Elite line’s air handlers are efficient, but their return plenum connections can develop gaps over time, especially in Yonkers’s older multifamily conversions where HVAC retrofits left imperfect seals. A leaking return plenum pulls unconditioned air from basements and crawl spaces, causing coil freeze-ups and uneven room temperatures.
- Mildew and bio-growth on evaporator coils. Yonkers’s humid continental climate means hot, sticky summers and condensation inside ductwork. On Lennox systems, that moisture often settles on the evaporator coil and breeds mildew, which then circulates through every register. Homeowners notice a musty smell that gets worse in July and August. Coil cleaning plus full duct sanitation is the only real fix.
- Condensation and rust inside metal ducts on older Legacy furnaces. Legacy furnaces are workhorses, but many in Yonkers sit near uninsulated basement runs where temperature swings cause sweating. The original galvanized ducts from the 1940s and 50s corrode and shed particles into the air. We clean these thoroughly and recommend sealing where feasible.
- Blocked flex duct runs in steep-basement homes. Yonkers’s hills mean many furnaces sit in basements with long, twisted duct runs climbing multiple stories. Flex ducts in these configurations sag, kink, and trap debris. The result is weak airflow at the farthest registers and a blower motor working harder than it should.
Lennox Parts & Our Repair-vs-Replace Approach
When a Lennox component truly fails, we use OEM Lennox coils, blower wheels, and access panels. That matters because aftermarket electrical parts on a variable-speed Lennox system can cause communication errors with the control board, and that cascades into expensive problems. For duct sealing, insulation, and flex duct repairs, we use approved-quality aftermarket materials that meet or exceed Lennox specifications, because the performance difference is negligible and the cost savings are real.
We’re honest about when cleaning and sealing will restore airflow and when a failing heat exchanger or compressor means replacement is the smarter call. If your Legacy furnace’s heat exchanger is cracked, no amount of duct cleaning will fix that, and we’ll tell you so plainly. Most standard air duct cleanings run $450 to $850 for a typical Yonkers home depending on system size and duct condition. Call (914) 613-6563 for an exact written quote.
Our Lennox Service Process – Step by Step
- 1
Diagnosis. We inspect your entire Lennox duct system with video cameras, checking for leaks, blockages, and bio-growth. For variable-speed Lennox blowers, we check static pressure and airflow at the registers, because cleaning a system with an underlying duct design problem won’t hold.
- 2
Cleaning and repair. We run Rotobrush agitation through every accessible duct run, paired with Nikro HEPA negative-pressure extraction at the air handler. For Elite Series systems with plenum leaks, we seal those gaps with mastic before cleaning, so debris from the basement doesn’t get pulled in afterward.
- 3
Verification. Before-and-after photo documentation of your ducts, including the coil and blower wheel. We show you exactly what was removed and what condition the system is in now.
- 4
Warranty and follow-up. Every repair includes a written guarantee, and the whole job falls under our 365-Day Done Right Promise. If anything fails within a year, we come back and correct it at no charge.
See the difference
Before
After
Before
After
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AfterLennox Products We Service & Install in Yonkers
We service all four Lennox product families: the Legacy Series, the Dave Lennox Signature Collection, the Elite Series, and the Merit Series. That includes the XC25 variable-capacity heat pump, Elite air handlers, Legacy furnaces, and the full range of Lennox coils and blower assemblies found in Yonkers homes. We stock common OEM replacement parts locally for faster turnaround. Whether your Lennox equipment lives in a Nodine Hill basement or a Hudson River waterfront condo, we have the equipment and the familiarity to do the job right.
We Also Service These Brands
While Lennox is a specialty, we’re multi-brand in practice. Our Yonkers crews work on Trane and Carrier systems regularly, and the same cleaning and sealing protocols apply across all major manufacturers. If you have mixed equipment, we handle it in one visit.
FAQs – Lennox Air Duct Cleaning Service in Yonkers
Variable-speed Lennox blowers run at lower RPM for longer cycles, which means dust settles differently in the ducts and the blower wheel itself collects more fine debris. A standard PSC motor cleaning often focuses on the main trunk lines, and Dryer Vent Cleaning is a separate service, but Lennox variable-speed systems need more attention to the blower wheel and the return side, because those are where the airflow restrictions actually happen. We clean the blower wheel as standard on variable-speed Lennox equipment.
Sometimes yes, if the root cause is restricted airflow. A dirty blower wheel, clogged return ducts, or a leaking return plenum reduces airflow across the coil, which causes the coil to drop below freezing and the system to short-cycle. Cleaning those components and sealing the plenum restores airflow to manufacturer spec. If the coil freezes due to low refrigerant, that’s a separate repair, and we’ll show you the difference on the video inspection. Call (914) 613-6563 if your XC25 is short-cycling.
Replace it after. During the cleaning process, debris gets dislodged and pulled into the filter, which will load it up prematurely. A fresh MERV 16 filter installed after cleaning protects your newly cleaned ducts and gives your variable-speed blower the clean airflow it needs. Put the old filter back in during cleaning, then swap in the new one when we finish.
That’s almost always bio-growth on the evaporator coil or inside the ductwork from Yonkers’s humid summer months. During cooling season, condensation collects on the coil and doesn’t fully dry in humid weather. Mold and mildew form, and when the furnace kicks on in the fall, that smell blows through the whole house. Coil cleaning plus duct sanitation eliminates the odor. A quick fix like a deodorizer won’t last. Call (914) 613-6563 for an exact quote.
Yes, and yes, in many cases. Sagging or kinked flex duct can often be re-supported and sealed with mastic, restoring airflow without a full replacement. It’s a real fix when the flex material is intact and the problem is poor connections or compression. If the flex is torn or collapsed, replacement is the honest call. We’ll show you on camera before recommending either path.
Most standard Lennox air duct cleanings in Yonkers run $450 to $850 for a typical home. Larger systems, multi-family buildings, or ductwork with heavy bio-growth will run higher. The exact price depends on system size, number of returns, and what the inspection reveals. We hand you a written price before any work starts, and that number does not change at the door. Call (914) 613-6563 for a free estimate.
Book Your Lennox Service in Yonkers, NY
We work on Lennox systems across Yonkers every week. Our tech arrived at a Yonkers split-level with a Dave Lennox Signature Collection XC25 heat pump, the homeowner complaining of weak airflow and bedrooms never cooling. Video inspection showed return ducts caked with pet hair and a leaking return plenum at the air handler. We performed full return duct cleaning, sealed the plenum with mastic, and cleaned the blower wheel, and airflow jumped to manufacturer spec. Call (914) 613-6563 and get the same methodical, no-shortcuts work on your Lennox system.
Written by Omar Haddad, Owner at Cardinal Air Duct Yonkers, serving Yonkers and Westchester since 2005.