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.
Fast, Reliable HVAC Cleaning Across Kennesaw
HVAC cleaning in Kennesaw means removing years of Georgia red clay, pine pollen, and construction dust from the components that move air through your home every day. For most Kennesaw houses built between 1980 and 2010, a full HVAC cleaning runs $450 – $750 when it includes the evaporator coil, blower assembly, and accessible duct runs. The work typically takes 4 – 7 hours depending on how many systems you have and whether we find disconnected flex runs that need resealing. If you’re in Kennesaw and your vents are blowing weak or the house smells stale every time the AC kicks on, call (762) 216-4075 and our HVAC Cleaning team will give you a written quote before any work starts.
Why Cardinal Air Duct Marietta Is Kennesaw’s Preferred HVAC Cleaning Company
Our crews work in Kennesaw neighborhoods every week, from the split-levels off Kennesaw Due West Road to the two-story homes near Barrett Parkway and the subdivisions around Chastain Road. We know these houses. We know that a 1987 ranch near Kennesaw Mountain will have a different duct problem than a 2015 build near Town Center. That local knowledge changes how we clean, what we inspect, and what we tell you about your system.
Every job we run in Kennesaw operates under The Relay Standard. That’s the booking experience we’re held to: a live trackable arrival time, before-and-after photo documentation of the work, and a digital invoice you can pay from a link. Omar Haddad runs our team, and he holds every crew member to one rule – if a Kennesaw homeowner doesn’t see exactly what was done and what it cost, the job isn’t finished.
We’re part of the Relay Home Co. family, founded 2005. That’s where the 365-Day Done Right Promise comes from, and it applies to every HVAC cleaning job we complete in Kennesaw. If the work isn’t right within a full year, we return and correct it at no charge. No fine print, no prorating, no “that’s not covered.” A live person answers our phones 24/7, so you’ll never leave a voicemail and wait for a callback.
Styles & brands we work with
Evaporator Coil Cleaning in Kennesaw
Evaporator coil cleaning in Kennesaw is the single highest-impact service we do, because Georgia’s humidity means that coil rarely dries out fully between cycles. The coil sits inside your air handler – usually in the attic for most Kennesaw two-story homes – and it’s responsible for pulling heat out of your air. When it’s coated with a layer of mold, dust, and that fine red clay that settles on everything in Cobb County, your system has to run longer to hit the temperature on the thermostat. We see coils in Acworth and Kennesaw attics that are so clogged the condensate line is backed up and dripping onto the ceiling below.
For a typical single-system home in Kennesaw, evaporator coil cleaning alone runs $225 – $375. If the coil is in an attic air handler and requires removal for deep chemical cleaning, expect the higher end of that range. We use a coil-specific cleaning agent, not the same degreaser a plumber carries. After the coil is clean and the fins are combed out, we check the condensate drain for the sludge that forms in humid Georgia summers and clear it if needed.
What We Find in Kennesaw Attic Coils
Homes near Kennesaw Mountain tend to accumulate pine pollen, which is sticky enough to bond with condenser coil dust and form a paste that reduces airflow across the coil. In subdivisions built after 2005 with tighter building envelopes, we more often find fungal growth on the coil because the air handler never dries out between runs. Both problems respond to the same fix, but the treatment sequence differs.
The 365-Day Promise on Coil Cleaning
If your coil is cleaned and you don’t feel a difference in cooling performance or airflow within the first full cycle, call us. We’ll come back. That’s the promise, and it applies to every coil cleaning we do in Kennesaw.
AC Duct Cleaning in Kennesaw
AC duct cleaning in Kennesaw addresses the returns, supplies, and any trunk lines running through your attic or crawl space. The classic Kennesaw situation is a home built in the 1980s or early 1990s where the original flex duct has been in place for 30+ years. Over time, flex runs sag in the attic heat, pull loose from their collars, and create gaps that suck in fiberglass insulation and blow conditioned air into the attic instead of your living room. That’s why we don’t just shove a brush through and call it done – we inspect the duct path as part of every cleaning.
For a standard single-system home in Kennesaw, full duct cleaning starts at $400 and goes up to $650 for homes with longer runs or a crawl space that complicates access. This includes return and supply ductwork, vent covers, and the air handler cabinet. If we find disconnected or crushed flex runs – which happens regularly in Kennesaw’s older stock – we’ll show you photos and give you a separate written quote for resealing before we touch anything.
Source Removal, Not Recirculation
We run a negative-pressure process with a Nikro HEPA-filtered vacuum. That means loosened debris goes straight into the vacuum, not back into your living room. The setup matters because Kennesaw homes have real debris in the ducts: red Georgia clay, pine pollen, drywall dust from past renovations, and sometimes rodent droppings in crawl space returns. We don’t just blast it around with compressed air.
Camera Inspection After Cleaning
We run a camera through the clean runs before we pack up. A hidden sag or blockage in a crawl space run stays invisible otherwise, and you’d be paying for a cleaning that immediately gets dirty again. Kennesaw crawl spaces get damp, which causes flex duct to separate at the seams. We’ve seen homes where the vent was blowing fine but the return was drawing air from under the house because the duct had pulled completely off the boot. A camera catches what a brush can’t.
Trusted Brands We Service in Kennesaw
We clean and service HVAC components, so the brand on your system matters less than its condition, but Kennesaw homes tend to cluster around a few names: Carrier, Trane, Lennox, Goodman, and Rheem are the most common brands we see in attics and crawl spaces across the 30144 and 30152 zip codes. For filtration, we stock and install Honeywell and Aprilaire media filters and Guardsman UV treatment systems, which make a difference for allergy sufferers near Kennesaw Mountain when pine pollen season hits. We keep common filter sizes and drain line fittings in our trucks so we aren’t making a parts run to Acworth in the middle of your job. If you need a specific Aprilaire filter model replaced, tell the person on the phone and we’ll bring it.
See the difference
Before
After
Before
After
Before
AfterCommon HVAC Cleaning Problems We See in Kennesaw Homes
- Disconnected flex runs in attics: Attic temperatures in Kennesaw regularly exceed 120°F in July, which degrades the plastic collars and tape on original duct runs over time. The run pulls free, and your system pushes conditioned air into the attic while pulling 140°F air into the return side.
- Red clay dust accumulation: Georgia red clay is fine enough to pass through a standard fiberglass filter and settle inside ducts and coil fins. Once it bonds with humidity, it forms a paste on the coil that reduces both efficiency and airflow.
- Sagging supply runs in crawl spaces: Kennesaw homes with crawl space runs often have flex duct resting directly on the clay soil. Moisture wicks into the insulation, the duct sags, and airflow drops. In some cases the duct is actually touching the ground and pulling moisture into the air stream.
- Pollen-heavy returns near Kennesaw Mountain: Returns in homes near the mountain’s pine stands pick up heavy pollen loads every spring. If the return hasn’t been cleaned in years, you’ll see yellow-green dust caked around the return grille and inside the first few feet of duct.
Pricing for HVAC Cleaning in Kennesaw, GA
A full HVAC cleaning in Kennesaw – evaporator coil, blower assembly, and accessible duct runs – ranges from $450 to $750 for a single-system home. Coil cleaning alone is $225 – $375. Duct cleaning alone starts at $400. If we find disconnected or crushed flex runs that need resealing, that work is quoted separately, in writing, before we do it, typically $150 – $300 depending on how many runs are affected and how accessible they are. A two-story home near Barrett Parkway with attic and crawl space access will trend toward the upper end. A 1980s split-level where we need to work around a tight attic scuttle will too. Call (762) 216-4075 and we’ll give you an exact written price for your system – the number doesn’t change once we’re in your driveway.
We Also Serve Cities Near Kennesaw
Our crews run jobs in Kennesaw every day, but we also cover the surrounding communities. If you’re in Acworth, Marietta, Woodstock, or Powder Springs, the same Kennesaw-based team can reach you, with the same upfront pricing and 365-Day Done Right Promise. Let us know which city you’re in when you call and we’ll confirm the next available window.
Serving Kennesaw, GA - Our Local Coverage Area
We’re based in the Kennesaw 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 About HVAC Cleaning in Kennesaw
Kennesaw’s combination of red clay soil, heavy pine pollen, and high humidity means ducts accumulate a visible layer of debris faster than homes in drier climates. The system runs close to year-round because Georgia summers are long and hot, so it pulls in dust and pollen almost continuously. Homes near Kennesaw Mountain or any of the town’s pine stands get hit hardest in spring. If your returns haven’t been cleaned in five or more years, you’ll see it. Call (762) 216-4075 and we’ll show you before-and-after photos from our camera inspection.
Ducts from the 1980s often need both, but the telltale sign is uneven airflow: strong supply from some vents, weak from others, and rooms that never hold temperature. That points to disconnects, not just dust. We inspect as part of every cleaning and show you camera footage of what we find. If sealing is the real fix, you’ll know exactly which runs and why, with a written quote before we start.
Yes, in most Kennesaw attics it’s the single most immediate improvement you can make. A coil coated with dust and mold can’t transfer heat efficiently, so the system runs longer to reach the same temperature. After coil cleaning, most homeowners notice the house cools down faster and the system cycles off more often. If you don’t notice a difference, the 365-Day Done Right Promise means we come back. Call (762) 216-4075 for a free estimate.
Negative pressure cleaning means we connect a HEPA-filtered vacuum to your duct system and maintain suction while we agitate the debris with a rotary brush. The loose dust goes straight into the vacuum, not into your living room. In Kennesaw specifically, it matters because the debris we’re removing includes red clay, pollen, and possibly mold spores. Recirculating that into a house where your family breathes all day defeats the purpose.
Homes near the mountain’s pine stands should plan for duct and coil cleaning every 3 – 4 years, more often if you have pets, allergies, or run your system most of the year. Homes in newer subdivisions with tighter envelopes can go 4 – 5 years, but the coil still needs attention because humidity keeps it damp. We’ll give you a straight recommendation for your specific house, not a generic schedule. Call (762) 216-4075 to talk through it.
Written by Omar Haddad, Owner at Cardinal Air Duct Marietta, serving Kennesaw and the surrounding communities with HVAC cleaning under the 365-Day Done Right Promise.