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 Westminster, CO
We provide independent Lennox service across Westminster, including full supply and return duct cleaning, evaporator coil cleaning, and duct sealing built around how these systems actually fail in Front Range homes. What makes our Lennox work in Westminster different is that we treat the return side as seriously as the supply side, because the older forced-air homes here leak. One flat price per system is agreed before work starts, backed by before-and-after photos of your own ducts. Call (866) 361-9658. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why Westminster Residents Choose Us for Lennox Service
We know Lennox equipment from the inside. Our technicians have up to 10 years of experience working on Lennox furnaces and air handlers across the Front Range, from older G8 series units to modern Elite models, and that history matters when the problem lives in the ductwork the equipment depends on.
Westminster homeowners call us because the work is verifiable, not guessed at. We run contact-and-capture cleaning: Rotobrush brush agitation dislodges what’s clinging to the duct walls, then Nikro HEPA extraction removes it rather than pushing it around. On contamination jobs, Abatement Technologies air-filtration equipment comes out.
We repair what we find, too. Air duct repair and dryer vent cleaning sit under the same roof as cleaning, so a disconnected flex run or a rusted return pan doesn’t need a second contractor. Duct Cleaning Longmont is an independent Lennox service provider – we’re not affiliated with or authorized by the manufacturer. We just know the equipment. Call (866) 361-9658 for scheduling.
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 Westminster
- Undersized returns behind variable-speed blowers. Lennox Elite and Signature furnaces with variable-speed blowers (SLP98V, EL296V) push against undersized return ducts in older Westminster homes, and high static pressure pulls dust through every joint until the blower wheel clogs. We see this most on the older east side stock.
- Sagging flex runs on Lennox CBX air handlers. CBX series air handlers in 1990s-2000s west-side homes often connect to flexible duct runs that sag or separate at the plenum. Fine grit collects in the low spots and upstairs registers lose airflow before anyone notices a problem.
- Unsealed return-air pans on original Lennox systems. Galvanized trunk-and-branch systems from the 1970s and 80s commonly have return pans that were never sealed to the cabinet, letting attic and crawlspace dust bypass the filter entirely and coat the heat exchanger.
- Dust-matting on Lennox evaporator coils. When return filtration is inadequate and spring wind loads are heavy, dust mats the underside of the coil. Airflow drops, the system runs longer, and the coil needs real cleaning, not a spray.
- Filter bypass grime. Gaps around the filter slot let air skip the filter. The cabinet interior tells the story – a film of grit on the blower and coil that a filter should have caught.
Lennox Service in Westminster: What Local Conditions Mean for Your Equipment
In Westminster’s older 80030 and 80031 ZIP codes, many Lennox forced-air systems were installed with return-air pans that were never sealed to the furnace cabinet. That detail changes the job. Cleaning a return here without sealing the pan just means the crawspace and attic dust comes right back on the next windy day, so our work almost always includes sealing those pans.
The climate drives the timing. Westminster sits on the Front Range’s high-plains edge, and spring and fall bring some of the highest wind-driven dust and pollen loads in the Denver metro. In the older subdivisions near Westminster Plaza and Hidden Lake, the housing stock is largely early 1970s forced-air homes with original sheet-metal trunks and minimal filtration. That combination produces a pattern we see often: a homeowner notices dust streaks around the registers and rising energy bills, and the technician finds the return pan unsealed, grit from the crawlspace coating the blower and evaporator coil. The fix is a full supply and return cleaning, mastic sealing of the pan and accessible duct joints, and cleaning the coil and blower to restore airflow. For Lennox owners in Westminster, this is a seasonal service, not a one-time remodel add-on.
Lennox Models & Products We Service in Westminster
We service Lennox gas furnaces from the Elite Series (EL296V, EL195E), the Merit Series (ML195, ML193), and the Dave Lennox Signature Collection (SLP98V, SL280V), along with CBX27UH and CBX40UHV air handlers. The work is ductwork, coils, and airflow – we’re not here to sell you a new system.
When parts are needed, we use OEM Lennox filters and gaskets where fit matters, because a poorly fitting filter gasket defeats the point of filtering. For duct repairs, quality aftermarket mastic, sealant, and flex duct do the job well. If a Lennox furnace or air handler is over 15 years old and needs major duct sealing plus coil cleaning, we’ll give you an honest read on repair versus replacement.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Westminster
Pricing is one flat price per system, agreed before work begins, and the written estimate sets the final number. No per-vent charges, no teaser coupon that turns into a larger invoice once the technician is on site.
What drives cost: system size and number of runs, whether the return pans are sealed or need sealing, how much contamination is present, and whether coil cleaning or duct repair is part of the visit. The free estimate includes a walkthrough of the system, a look at the return side and filter setup, and before-and-after photos explained up front.
Typical air duct cleaning for a whole system in this market generally runs within a modest range depending on those factors. Call (866) 361-9658 for an exact quote – estimates are free.
Serving Westminster, CO – Our Local Coverage Area
We serve Westminster 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 Westminster
For most Westminster homes with forced-air Lennox systems, cleaning every few years makes sense, and homes in the older 80030-80031 core often need it more often because of unsealed returns and wind-driven dust. If you notice dust streaks at the registers, musty odors, or uneven airflow, it’s worth checking sooner. Call (866) 361-9658 for an exact quote – estimates are free.
Yes. Variable-speed blowers on Lennox Elite and Signature furnaces often run louder when return ducts are undersized or clogged, because high static pressure forces the blower to work harder. Cleaning and sealing the return side can quiet the system and restore proper airflow.
In most cases, yes. We clean the coil in place using brush agitation and HEPA extraction, and we check the underside where dust matting hides. Access varies by installation, so the free estimate includes a look at the coil cabinet and the surrounding flex runs.
Filter bypass is air sneaking around the filter through gaps in the cabinet or filter slot, so it never gets filtered. In older Westminster homes with original Lennox systems, loose return pans and worn gaskets make bypass common, which is why we treat sealing as part of the cleaning.
Yes. We specialize in Lennox equipment because we know its failure modes, but we service other forced-air brands the same way. Call (866) 361-9658 for an exact quote – estimates are free.
Service Areas Near Westminster
We also serve homeowners in Longmont, Boulder, Arvada, and Greeley, along with Thornton and Berkley nearby. If you’re in or around Westminster, our Lennox service covers the full duct system from return pan to register.
Book Your Lennox Service in Westminster Today
Whether it’s cleaning, coil work, duct sealing, or dryer vent service, we’ll give you a straight answer and a flat price before work starts. Call (866) 361-9658 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Duct Cleaning Longmont.