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.
Lennox Air Duct Cleaning in Northglenn, CO
We provide independent Lennox air duct cleaning across Northglenn, and the one thing that separates our Lennox work here is pattern recognition: we know how G60 and G61 cabinets, filter racks and cased coils behave against 1960s galvanized ductwork. No manufacturer authorization is implied. We’re an independent shop, licensed and insured, and the price is one flat figure per system agreed before work starts. Call (888) 495-2236 to book a free estimate in Northglenn. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
Why Northglenn Residents Choose Us for Lennox Service
Lennox equipment shows up in a lot of Northglenn homes, and our technicians have up to 12 years of experience working on it rather than around it. That matters because Lennox cabinet airflow, filter rack placement and coil geometry all affect how a cleaning has to be done. Pull the wrong panel and you disturb a seal. Skip the coil and you leave half the restriction in place.
We run Rotobrush rotary-brush systems and Nikro HEPA-rated vacuums, plus Abatement Technologies negative-air containment, so debris gets captured instead of blown through a Northglenn house. We also repair what we find. Slipped joints and disconnected runs get re-sealed in the same visit, so you’re not booking a second contractor for a problem we already have open.
Owners of Honeywell and Aprilaire accessories get a crew that works with those systems rather than fighting them. If you’ve had a premium whole-home air-quality setup installed, your Honeywell or Aprilaire hardware deserves a compatible crew. Scheduling in Northglenn stays simple: a written estimate first, a flat price per system, before-and-after photos of your own ducts when we finish.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Lennox Air Duct Cleaning Problems We Solve in Northglenn
- G60 and G61 furnaces pulling attic dust through loose returns. In original Northglenn ranch homes, the return joints behind these cabinets often leak. During a spring windstorm the filter loads in days. That’s a duct seal problem, not a filter problem.
- Cased evaporator coils caked with dust and smoke residue. Dry Front Range dust hardens on older Lennox air-handler coils once summer wildfire smoke settles into it. Airflow drops and the blower works harder than it should.
- Variable-speed blowers masking disconnected trunk runs. An EL296V or SL280V ramps up to cover a leaky or undersized return. You won’t hear the problem until static pressure climbs and the motor starts overheating.
- Poorly sealed basement branches behind Lennox trunks. Split-levels in Northglenn often had supply runs added to the finished basement later. Those flex branches shed dust and leak into unconditioned space.
- Filter racks that don’t seal at the cabinet. A rack that doesn’t sit tight lets unfiltered air bypass the media entirely, which loads the coil and the blower wheel. We check the fit while the system is open and address it.
Lennox Service in Northglenn: What Local Conditions Mean for Your Equipment
Northglenn’s original core went up as a post-WWII tract suburb, and most of those galvanized trunks were sized for 1960s furnaces. When a high-efficiency Lennox retrofit lands in the same closet, the ductwork doesn’t get resized with it. That’s the real local story for Lennox owners near the original Northglenn core: the equipment changed, the static pressure didn’t, and often the return is undersized for the new cabinet. Cleaning a system like that without checking static pressure first is guesswork. On a typical job in a 1960s Northglenn ranch, a homeowner notices the Lennox filter clogging within days of a spring dust storm, and a video inspection usually finds slipped joints and a disconnected trunk pulling attic dust into the return. The right sequence is re-seal the metal with mastic, reconnect the run, clean both supply and return sides, clean the evaporator coil and blower while it’s open, then verify static pressure against the furnace’s rated airflow. That order is what makes the cleaning last through the next windstorm.
Lennox Models & Products We Service in Northglenn
Our Northglenn work covers the Lennox equipment we see most in this housing stock: G60 and G61 downflow and upflow gas furnaces, the Elite EL296V and Signature SL280V variable-speed furnaces, and Merit series air handlers with cased coils.
Where parts matter, we match them properly. Filter racks, cased coils and blower components get OEM or exact-fit aftermarket equivalents. General duct hardware – mastic, takeoffs, dampers, flex – is fine in quality aftermarket grades. When a 50-year-old metal trunk is failing at every joint, honest sealing and repair usually beats replacement. The Lennox equipment itself is generally worth repairing rather than replacing unless the heat exchanger is compromised. We’re an independent shop, not a Lennox dealer, and we don’t claim factory certification.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Northglenn
Air duct cleaning for a whole Lennox system is quoted as one flat price per system, agreed before any work starts. That figure depends on the size of the ductwork, how many runs and returns there are, whether the coil and blower need cleaning, and whether the video inspection turns up slipped joints or a disconnected trunk that needs sealing. Duct repair and dryer vent clearing are quoted separately if you want them.
- Full system cleaning: flat per-system price, supply and return sides, written estimate before work starts
- Video inspection: included in the estimate visit so you see what we see
- Duct sealing and repair: quoted from what the inspection finds, not from a coupon
- Dryer vent cleaning: quoted per run
Low-ball quotes tend to grow once someone is standing in your basement. Ours doesn’t: one price, per system, agreed up front, with before-and-after photos of your own ducts. Call (888) 495-2236 for an exact quote. Estimates are free.
Serving Northglenn, CO – Our Local Coverage Area
We serve Northglenn and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Lennox Air Duct Cleaning in Northglenn
No. We’re an independent service provider, not manufacturer-authorized, affiliated or a Lennox dealer. What we bring is hands-on familiarity with these systems across Northglenn’s older housing stock, and quality parts that fit the equipment.
Usually, yes. A filter that loads in days during spring wind means unfiltered attic or crawlspace dust is getting into the return through loose joints. The G60 pulls hard when it runs, and it finds every gap. A video inspection shows exactly where. Call (888) 495-2236 to book one.
It hides them longer, not better. An EL296V or SL280V ramps up to compensate for a leaky or undersized return, so you hear less and notice later. The trade-off is that static pressure climbs and the motor runs hot. Checking static pressure is part of the estimate for that reason.
Yes, when it’s accessible and visibly loaded. A cased coil on an older Lennox air handler collects dry dust that hardens with summer smoke residue, and cleaning ducts while leaving a restricted coil only solves half the problem. We check it while the system is open and quote it in the estimate.
Generally yes. Added flex branches behind Lennox trunks are often the leakiest part of the system, and they can be cleaned, sealed and re-supported. If a run is crushed or disconnected entirely, that’s a duct repair we quote in the same visit.
In most Northglenn homes, sealing and cleaning beats replacement. Original metal trunks are failing at the joints, not at the sheet metal itself, and honest repair restores them. Replacement only makes sense when sections are crushed or the layout no longer matches the furnace. Call (888) 495-2236 for an exact quote on your system. Estimates are free.
Service Areas Near Northglenn
Lennox service runs across Northglenn and the surrounding area, including Thornton, Federal Heights, Dacono, Niwot and Platteville. If you’re in Thornton or Federal Heights, the same 1960s tract-home ductwork is standard. We also reach Dacono, Niwot and Platteville on the same schedule.
Book Your Lennox Service in Northglenn Today
Call (888) 495-2236 for a free estimate on Lennox air duct cleaning in Northglenn. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday. One flat price per system, agreed before work starts, before-and-after photos of your own ducts, and duct repair handled in the same visit. You can also reach us through our Lennox service page for the wider range of what we cover.
Written by the team at Duct Cleaning Thornton.