Lennox Air Duct Cleaning in Kirby, TX | Summit Air Duct Cleaning Service Texas
We provide independent Lennox air duct cleaning service throughout Kirby, TX, specializing in the aging G14 furnace and HS29 condenser systems common in the city’s post-WWII tract homes. Our owner Michael Brown brings eight years of dedicated duct and HVAC expertise directly to every job — not a subcontracted crew. Call (844) 886-2161 for a free estimate and same-day scheduling.
Why Kirby Residents Choose Us for Lennox Service
We’ve spent eight years focused on one trade: cleaning, sealing, and restoring air duct systems. In Kirby, that means understanding what happens when Lennox equipment built for a different era meets South Texas soil and pollen.
Michael Brown grew up in Dallas’s Oak Cliff neighborhood and cut his teeth on HVAC fundamentals at Eastfield College in Mesquite before launching Summit. He’s the one who shows up and does the work — crawling through attics, running video inspections, and showing homeowners phone-camera footage of what’s actually inside their ducts before recommending anything. I’ll show you what’s in there before I tell you what to do about it.
Our trucks carry Rotobrush and Nikro systems — the same equipment commercial restoration contractors use — plus Lennox-compatible OEM filter cabinets, dampers, and motor mounts for the G14 and HS29 series. We don’t send a crew. We don’t upsell fear. We clean ducts to sealed ducts to healthier air, and we do it with 775 verified customer reviews averaging 4.9 stars to back up the claim.
Common Lennox Air Duct Cleaning Problems We Solve in Kirby
- Cracked CleanAir filter cabinet frames letting caliche bypass filtration. The original Lennox CleanAir filter cabinets in Kirby’s 1960s–70s tract homes have frames with media guides cracked from decades of thermal cycling. That gap lets fine caliche dust — the chalky calcium-carbonate particulate native to this region — stream straight past the filter and into your living space.
- HS29/HS32 condenser coils choked with packed dust between fins. Kirby’s slab foundations and relentless 100°F summers create a perfect storm: caliche dust packs tight between condenser fins, airflow drops, and high-pressure lockouts follow. We’ve cleared coils so clogged the unit couldn’t complete a cooling cycle.
- G14/G16 downflow plenums dammed with cedar-pollen sediment. The December–February Ashe juniper bloom in South Texas is among the worst allergen events in the country. In Kirby’s unconditioned attics, that pollen binds with condensation in Lennox furnace plenums, creating compacted sediment dams that require lance-clearing before we can extract them.
- Sagging flex duct trapping moisture and microbial growth. Original flex duct runs in Kirby’s post-WWII homes sag between joists under the weight of accumulated pollen and debris. Those low spots become condensation traps — we’ve found microbial growth in ducts where the sag created a permanent puddle.
- CB27/CB31 evaporator coils caked with bypassed debris. When filter cabinets fail or landlords skip maintenance between tenants, coils become the next line of defense. We’ve pulled 1.5-inch sediment layers off CB27 coils in Kirby rentals where the system ran for years with effectively no filtration.
Lennox Service in Kirby: What Local Conditions Mean for Your Equipment
Kirby’s status as a landlocked enclave completely surrounded by San Antonio shapes its housing market in ways that directly punish Lennox duct systems. Because so many homes here are investment properties rented to JBSA-Randolph personnel, a single slack landlord can let a system go uncleaned for a full PCS cycle — often two to four years — packing returns with multiple seasons’ worth of caliche and cedar debris no previous tenant bothered to address.
On a rental turnover inspection on East Gravis Avenue, our tech’s video camera found the original Lennox CleanAir filter cabinet’s frame had warped open, allowing caliche dust to pack the CB27 evaporator coil’s fins solid. We vacuumed the 1.5-inch sediment layer from the return plenum, replaced the cabinet’s media seal with a Lennox OEM part, and cleaned the coil with a foaming no-rinse detergent — restoring 350 CFM of airflow that the tenant had never noticed was missing. That kind of accumulated neglect is routine in Kirby. It’s not the equipment’s fault. It’s the gap between military rental turnover and actual maintenance.
Lennox Models & Products We Service in Kirby
We work on the full range of residential Lennox systems found in Kirby’s housing stock, with particular depth on the units that have aged in place since the base-worker boom:
- Lennox G14/G16 gas furnace series — Downflow plenums, filter cabinets, and motor mounts in stock
- Lennox HS29/HS32 air conditioners — Condenser coil cleaning, fin straightening, high-pressure diagnostics
- Lennox CB27/CB31 evaporator coils — Foaming no-rinse cleaning, access panel modifications for tight attic spaces
- Lennox CleanAir filter cabinets — OEM frame and media seal replacement
We stock genuine Lennox OEM parts for filter cabinets, dampers, and motor mounts. For flex duct and insulation, we use quality aftermarket materials that exceed original specs — and we’re straight with you when sealing a plenum costs less than replacing it.
Lennox Service Pricing in Kirby
Most Lennox air duct cleaning jobs in Kirby fall between $280 and $520 for a complete system cleaning, depending on home size, duct accessibility, and contamination level. Evaporator coil cleaning on CB27/CB31 units typically adds $150 to $240. Duct sealing runs $180 to $340 for the average single-story tract home.
What drives cost: attic accessibility in homes with original drop-down ladders, the depth of caliche and cedar buildup in neglected rental systems, and whether we need to replace OEM filter cabinet components versus clean and reseal. Every estimate starts with a video inspection — you’ll see what we see before any work begins. Call (844) 886-2161 for your free estimate.
Serving Kirby, TX — Our Local Coverage Area
We’re based in the Kirby area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs — Lennox Air Duct Cleaning in Kirby
Yes. We treat G14 furnaces with the gentler extraction methods they require — lower suction pressure, hand-clearing of sediment dams near the heat exchanger, and no aggressive rotary brushing in fragile downflow plenums. Michael Brown has cleaned dozens of these units in Kirby’s original housing stock without incident. Call (844) 886-2161 to schedule an inspection.
The dust is bypassing your filter through a cracked CleanAir cabinet frame or gaps in the return plenum seal. Kirby’s caliche is fine enough to slip through millimeter-wide openings, and once it’s in the ductwork, it’ll keep circulating until physically extracted. We verify bypass points with video inspection before cleaning. Call (844) 886-2161 and we’ll trace the source.
Yes — multi-year neglect between PCS cycles. In owner-occupied homes, someone notices the dust or the allergy flare-ups. In Kirby’s rental stock, tenants rotate out before complaining, and landlords often skip HVAC turnover service. We routinely find Lennox systems with three or four years of accumulated caliche and cedar debris packed into returns. The equipment isn’t failing; it’s suffocating.
CB27/CB31 coil cleaning typically runs $150 to $240, including access, foaming no-rinse detergent treatment, and post-cleaning airflow verification. If the coil is packed solid from a failed filter cabinet — common in Kirby’s neglected rentals — we’ll quote the cabinet repair separately. Call (844) 886-2161 for an exact quote; estimates are free.
It’ll help significantly if your ducts are leaking into the attic. Kirby’s 95–100°F summers mean every cubic foot of cooled air lost to an unconditioned space is money spent twice. We pressurize and seal with mastic and metal tape, then verify with a smoke test. For homes with intact ductwork but clogged coils or filters, sealing alone won’t fix the root problem — we’ll tell you which category you’re in before quoting. Call (844) 886-2161 to find out.
Service Areas Near Kirby
We serve Kirby’s 78244 ZIP code and surrounding communities including Lackland Air Force Base, Alief, and northeast San Antonio neighborhoods. Military families transferring between JBSA-Randolph and Lackland frequently book us for pre-move-out or move-in duct cleaning to satisfy lease requirements or start fresh in new housing.
Book Your Lennox Service in Kirby Today
Michael Brown will show up with the Rotobrush, the Nikro, and the Lennox-compatible parts your system actually needs — not a sales pitch. Same-day appointments available when you call (844) 886-2161. Free estimates. No obligation. Just clean ducts and straight answers.
Written by Michael Brown, Owner at Summit Air Duct Cleaning Service Texas, serving Kirby and Texas communities since 2016.