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 Charleston, SC
We provide independent Lennox duct cleaning, repair and sealing across Charleston, and we’re not affiliated with or authorized by the manufacturer. What sets our Lennox work here apart is the starting point: on the peninsula we inspect the crawlspace duct runs and the air handler before we ever start cleaning, because that’s where Charleston’s humidity does its damage. Our technicians have up to 15 years of experience, and we use professional-grade Rotobrush and Nikro extraction with Abatement Technologies air scrubbers on site. Call (888) 274-9947 for a free estimate.
Why Charleston Residents Choose Us for Lennox Service
We know the Lennox Merit Series, Elite Series and Signature Collection lines well enough to tell you what’s normal wear and what’s a real problem. That matters in Charleston, where the housing stock splits hard: pre-1950 single houses with raised foundations on the peninsula, and newer pier-and-beam or slab builds out in the suburbs. Those two construction types stress Lennox systems in completely different ways.
Our approach starts with professional-grade equipment. Rotobrush contact cleaning with simultaneous HEPA extraction, backed by Abatement Technologies air scrubbers, captures what’s loosened instead of pushing it through the house. We clean supply ducts and return ducts as separate scopes, and we seal what we find.
We’re an independent provider. Not a dealer, not factory-certified, and we don’t pretend otherwise. What we are is repair-capable: if inspection turns up a failed flex run or a joint that’s been leaking for years, we fix it in the same visit rather than handing you a referral. Scheduling is straightforward and the estimate is free. Call (888) 274-9947. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday. See our Charleston service page for the full picture.
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 Charleston
Here’s what we run into most often on Lennox systems in the Charleston area, and why.
- Condensation on uninsulated flex duct in raised crawlspaces. Charleston’s humid subtropical climate keeps crawlspaces wet for months at a time. Uninsulated flex run under a raised floor sweats, and that moisture feeds mold growth, which is exactly where musty odors in older single houses come from.
- Corrosion from salt-laden coastal air. Metal ductwork and cabinet components rust faster near the peninsula and the barrier islands. Salt air accelerates oxidation on any exposed metal, and Lennox systems in these locations show it earlier than inland installs.
- Air handler cabinet sweating and blower wear. Nearly year-round AC operation means the cabinet stays cold while the surrounding air stays humid. Sweating cabinets and premature blower motor wear follow from that. In a lowcountry summer there’s barely a break in the duty cycle.
- Leaky joints in Lennox flex duct systems. Ducts routed through unconditioned attics and crawlspaces lose pressure at poorly sealed connections. Every degree of that leakage is money, and it pulls humid outside air into the system.
- Post-renovation debris and post-storm moisture. Trades working in an older Charleston house push dust and construction debris into open duct runs. Coastal flooding and hurricane-season moisture intrusion add another layer, and both leave residue that a filter change won’t touch.
Lennox Service in Charleston: What Local Conditions Mean for Your Equipment
On the Charleston peninsula, many Lennox systems in pre-1950 single houses have supply ducts routed through damp crawlspaces under raised floors. Summer condensation and salt air cause mold and corrosion there far more than in newer suburban homes out toward Mount Pleasant or Summerville. That single fact changes how a Lennox duct cleaning should be scoped in a downtown Charleston house: crawlspace duct condition becomes the focus of the visit, not an afterthought.
So we inspect the underfloor runs first. We look for sagging flex, disconnected collars, and moisture staining on the duct jacket. If the supply trunk is sitting in standing humidity, cleaning the ducts without addressing the condensation just resets the clock. In a typical Charleston single house, a homeowner notices a musty smell and spots visible mold on the flex duct in the crawlspace. A qualified technician inspects the Lennox air handler and the duct runs, traces the condensation back to high humidity, and recommends cleaning the supply and return ducts, sealing the leaks with mastic, and adding insulation so the problem doesn’t come back next season. The work is measured, not rushed.
Lennox Models & Products We Service in Charleston
We service the Lennox product lines you’ll actually find in Charleston homes: split-system air handlers and the ductwork connected to them, across the Merit Series, Elite Series and Signature Collection. That includes supply and return duct systems in attic, crawlspace and closet installations.
Parts come down to fit and honesty. We use OEM Lennox parts when they’re available and cost-effective. For common wear items, high-quality aftermarket parts are often just as reliable and easier to source. If your Lennox system is past 15 years old and needs major duct repair, we’ll tell you plainly whether repair or replacement makes more sense. We’re an independent provider, so that assessment isn’t shaped by a manufacturer relationship. Visit our Lennox page for what that independence means in practice.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Charleston
Lennox duct cleaning in Charleston is priced per system, not per vent, and the written estimate you receive before work starts is the final price. Whole-system cleaning typically lands in a published range that depends on the number of runs, whether access is through a crawlspace or attic, and how much repair is needed alongside the cleaning. Duct sealing and insulation work are quoted as separate line items because they’re separate scopes.
| Service scope | What drives the price |
|---|---|
| Supply duct cleaning | Number of runs, crawlspace versus attic access, condition of the duct jacket |
| Return duct cleaning | Trunk length, filter grille count, accessibility behind original plaster walls |
| Duct sealing | Linear feet of leaking joints, mastic versus wrap, location within the structure |
| Repair (flex replacement, collar reconnection) | Scope found during inspection, parts required |
Every estimate is free, and every job includes before-and-after photos of your own ducts so you can see what changed. Call (888) 274-9947 for an exact quote.
Serving Charleston, SC – Our Local Coverage Area
We serve Charleston 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 Charleston
Mold shows up so often because Charleston’s humidity never really leaves, and the AC runs almost year-round. That combination keeps condensation on uninsulated flex duct in raised crawlspaces. Salt air adds corrosion to the mix, and the crawlspace becomes a damp, dark chamber the ductwork sits inside of. Cleaning alone treats the symptom; sealing and insulating the runs treats the cause.
Yes. Contact cleaning with rotating brushes and controlled HEPA extraction is designed to work through existing registers and access points. In older Charleston single houses with exposed floor joists and original plaster, we work carefully at every penetration and use containment to keep dust out of the living space. Where access is tight, Abatement Technologies air scrubbers capture airborne particulates during the service.
Salt air accelerates rust on metal ductwork and cabinet components, and that’s felt most on the peninsula and near the coast. Sealing joints and keeping the duct jacket intact limits how much salt-laden air reaches metal surfaces. During inspection we flag any sections where corrosion has already started so you’re not surprised later.
It changes the access and the moisture picture, not the goal. Attic-mounted air handlers sit in unconditioned space where summer heat and humidity work on the cabinet and the duct connections. We inspect the cabinet for sweating, check the pan and drain line, and treat the attic duct runs and their seals with the same attention we give crawlspace runs.
Yes. Duct sealing is one of our three core services alongside air duct cleaning and dryer vent cleaning. We seal leaking joints with mastic and address gaps we find during cleaning. In Charleston’s climate the added benefit is moisture control: sealed ducts pull in less humid outside air. Call (888) 274-9947 for a free estimate; we’ll quote the cleaning and sealing as separate line items so you can see exactly what each costs.
Service Areas Near Charleston
We work Lennox duct systems across the metro, including Mount Pleasant, James Island, Hanahan, Goose Creek and Isle of Palms. Older single houses closer to the water tend to need crawlspace and corrosion attention; newer builds often need sealing more than repair.
Book Your Lennox Service in Charleston Today
If your Lennox system is leaving a musty smell, running longer than it used to, or you’ve just finished a renovation that pushed debris into the ducts, we’ll inspect it and give you a flat price per system before any work begins. One specialist, three services: air duct cleaning, dryer vent cleaning and duct repair. Call (888) 274-9947 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Charleston Duct Cleaning.