Fast, Reliable HVAC Cleaning Across Marietta
HVAC cleaning in Marietta typically costs $180-$450 depending on which components need service, and most jobs are completed in a single visit. Our HVAC Cleaning team serves Marietta homeowners from East Cobb to the historic district near Marietta Square, with same-day and next-day availability throughout ZIPs 30008, 30060, 30061, and 30062. Call (844) 685-6342 for upfront pricing and a free estimate - we’ll be there when we say.
We’ve been driving to Marietta since 1984, long before the I-75 corridor became the artery it is today. Ray Castillo and our crew know the difference between a 1960s ranch off Whitlock Avenue and a 1990s two-story in East Cobb - and we know those houses need different approaches to HVAC cleaning. The red Georgia clay, the loblolly pine pollen, the attic temperatures that bake flex duct into premature failure: this isn’t theory for us. It’s Tuesday.
Why Bellows Air Duct & Vent Co. Is Marietta’s Preferred HVAC Cleaning Company
Forty-two years in this trade means we’ve cleaned systems in Marietta homes that other companies wouldn’t touch - crawl spaces with six inches of clearance, attics where the flex duct has turned to powder, coils caked with a decade of pollen and pet dander. Our reputation here was built one job at a time, mostly by homeowners who called after a neighbor said, “They actually showed up, and they didn’t change the price.”
Ray Castillo runs the company the same way his father taught him: background-checked, uniformed technicians on every job; a live person answering the phone 24 hours a day; and camera inspection before and after so you see what we see. No bait coupons, no scare tactics, no price changes at the door. Our 90-Day Done Right Promise is stamped on every invoice - if it’s not right, we make it right, no paperwork, no arguing.
Most Marietta calls are answered within two rings, and we schedule East Cobb and West Cobb routes daily. If you’re in 30062 or 30060, we can usually get to you same-day or next-morning. That’s not a guarantee we make lightly - it’s what happens when your dispatch office is staffed by people who know Marietta’s traffic patterns and don’t overbook.
Our HVAC Cleaning Services in Marietta
Evaporator Coil Cleaning
The evaporator coil sits inside your air handler, and in Marietta, it works harder than almost anywhere in the country. Between May and September, that coil is condensing moisture out of 90°F+ air with dew points that feel like breathing through a wet blanket. Add East Cobb’s pollen load - loblolly pine in spring, oak catkins right behind - and you’ve got a sticky biological film that standard filters never catch.
We clean coils with pressurized foam and low-pressure rinse, using Rotobrush and Nikro equipment that reaches deep between fins without bending them. For Marietta’s older systems, especially the oversized units common in 1980s construction, we also check for ice damage from years of low refrigerant or restricted airflow. A clean coil drops your energy bill and takes strain off the compressor. Most evaporator coil cleanings in Marietta run $180-$280.

Blower Cleaning
The blower wheel is the lungs of your system, and when it’s dirty, everything downstream suffers. In Marietta homes with flex duct degradation - and we see this constantly in East Cobb’s 1990s subdivisions - the blower becomes a collection point for flakes of plastic liner, drywall dust, and whatever else the attic has been shedding into the return air.
We remove the blower assembly, clean the wheel and housing with compressed air and contact-safe solvent, and balance it before reinstallation. A dirty blower draws more amps, runs hotter, and shortens the life of your motor. For Marietta’s all-electric homes near Marietta Square, where replacement motors can be hard to source quickly, this maintenance pays for itself. Blower cleaning in Marietta typically runs $150-$220.

Condenser Cleaning
Your outdoor condenser coil is exposed to everything Marietta throws at it: pollen, cottonwood fluff, lawn clippings, and the fine red dust that kicks up every time a neighbor’s driveway gets pressure-washed. A dirty condenser can’t reject heat, so your system runs longer, louder, and eventually fails on the hottest day of July.
We disconnect power, remove the fan assembly if needed, and clean coils with foaming agent and low-pressure water - never high-pressure, which folds the fins flat and kills efficiency. For homes near Kennesaw Mountain’s pollen corridor or along busy stretches of Cobb Parkway, we recommend condenser cleaning every spring before the first 90°F day. In Marietta, condenser cleaning runs $120-$200 for standard residential units.

Air Handler Cleaning
The air handler is where your conditioned air is born, and in Marietta’s humidity, it’s also where mold takes hold if drainage or insulation fails. We see this especially in 30060 and 30064 ZIPs, where 1960s and 1970s split-levels and ranches often have air handlers in crawl spaces or closets with poor ventilation.
Our cleaning covers the cabinet, drain pan, secondary drain lines, and insulation lining. We camera-inspect before we start and after we finish, so you see the difference. If the drain pan is cracked or the insulation is water-stained, we’ll tell you straight - no upsell, just facts. Air handler cleaning in Marietta typically runs $200-$320 depending on accessibility and condition.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Marietta
We clean systems running every major brand, and we carry parts and cleaning agents for the equipment Marietta homeowners actually have: Carrier, Trane, Lennox, Rheem, Goodman, and the premium air quality add-ons from Aprilaire and Honeywell that East Cobb buyers often install. Our trucks stock Rotobrush agitation tools and Nikro HEPA vacuums, and for sanitizing jobs we use Abatement Technologies fogging equipment. If your system needs a part we don’t carry, our supply house in Smyrna usually has it same-day. We don’t make you wait a week because we didn’t plan for a common Marietta configuration.
Common HVAC Cleaning Problems We See in Marietta Homes
- Attic-sourced liner flaking. In East Cobb subdivisions built during the 1980s-90s boom, original builder-grade flex duct has spent three decades in attics that exceed 140°F. The plastic inner sleeve degrades, flakes into the airstream, and circulates through your home. Cleaning helps, but replacement is often the honest recommendation.
- Red clay crawlspace moisture. Older ranches and split-levels in 30060-30064 have ductwork in crawl spaces where Marietta’s clay subsoil wicks moisture year-round. Rust on metal fittings and biological growth on flex duct are telltale signs we check for during every cleaning.
- Oversized flex runs with deep particulate settling. Post-1980 Marietta homes were often built with duct systems sized for lower-efficiency equipment. The resulting oversized flex runs have low air velocity, letting dust and pollen settle deep where standard cleaning can’t reach. Our Rotobrush agitation breaks that debris loose.
- Seasonal pollen infiltration through leaky returns. Marietta’s loblolly pine and oak canopy generates some of the highest pollen loads in the U.S. Leaky return-air grilles and duct connections pull that pollen directly into the system, coating coils and blowers within a single spring.
We handled a job in the East Cobb neighborhood off Paper Mill Road: a 1993 two-story with Rotobrush equipment. The homeowner reported musty airflow - our camera found the original flex duct’s plastic inner sleeve flaking into the airstream, a failure mode endemic to that era in Marietta’s hot attics. We cleaned the coils and recommended full duct replacement due to liner degradation.
Pricing for HVAC Cleaning in Marietta, GA
Here’s what honest HVAC cleaning costs in Marietta’s market:
| Service | Typical Range |
|---|---|
| Evaporator Coil Cleaning | $180 - $280 |
| Blower Cleaning | $150 - $220 |
| Condenser Cleaning | $120 - $200 |
| Air Handler Cleaning | $200 - $320 |
| Full System Cleaning (coil, blower, condenser) | $380 - $450 |
What moves you within these ranges: accessibility (crawl space vs. closet vs. attic), system condition (heavy buildup takes longer), and whether we find degraded components that need addressing. We disclose the full price before touching a tool. No bait coupons, no price changes at the door. That’s been our rule since 1984. Seniors and veterans receive a permanent 5% discount, and our $89 Seasonal Tune-Up is available year-round for Marietta homeowners who want preventive maintenance.
Call (844) 685-6342 for an exact quote - estimates are free.
We Also Serve Cities Near Marietta
Our technicians live and work across Cobb and north Fulton counties, so Marietta isn’t a drive for us - it’s home base. We also serve Fair Oaks, Smyrna, Kennesaw, and Sandy Springs with the same scheduling priority and upfront pricing. If you’re in East Cobb, West Cobb, or down near the Marietta Square, we’ll be there when we say.
Serving Marietta, GA - Our Local Coverage Area
We’re based in the Marietta 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 - HVAC Cleaning in Marietta
Yes, if your home was built in the 1980s-90s and still has original flex duct, the inner plastic liner is likely degrading from years of extreme attic heat. In Marietta’s East Cobb subdivisions, we regularly find liner flaking directly into the airstream during cleaning calls. The debris looks like fine gray dust but is actually shredded plastic - not something you want circulating through your home. We camera-inspect every system and will show you exactly what your ducts look like inside. Call (844) 685-6342 for a free inspection - estimates are free.
The musty smell is almost certainly moisture-driven biological growth, and Marietta’s red Georgia clay subsoil is the culprit. In 30060 and the older 30064 ranches near Marietta Square, crawl spaces stay damp year-round because clay wicks groundwater upward and holds it against ductwork. We see rusted metal fittings and mold-stained flex duct in these homes constantly. Cleaning helps, but we also check whether your crawl space needs vapor barrier improvement or duct sealing to stop the cycle. Call (844) 685-6342 - we’ll diagnose it honestly and show you camera footage.
Duct cleaning helps significantly if your system is pulling pollen through leaky return connections and grilles, which is common in Marietta’s older homes. We find loblolly pine and oak pollen coating blower wheels and evaporator coils every spring. However, cleaning alone won’t fix ongoing infiltration - we also check and seal duct leaks so you’re not re-contaminating the system within weeks. For severe allergy sufferers, we can discuss Aprilaire whole-home air cleaners that integrate with your HVAC. Call (844) 685-6342 to talk through your specific situation.
Yes. Oversized systems - common in 1980s Marietta construction originally sized for lower-efficiency equipment - run short cycles with low air velocity through oversized flex ducts. That low velocity lets particulate settle deep in the lines, beyond what standard vacuum cleaning reaches. Our Rotobrush agitation equipment is specifically designed to break loose that embedded debris. We also check whether your oversized system is contributing to humidity control problems, which we see frequently in 30064 split-levels. Call (844) 685-6342 for an assessment tailored to your home’s configuration.
Yes. Aprilaire media air cleaners and electronic air purifiers are designed to work with your HVAC system, not replace component cleaning. We clean the coils, blowers, and ductwork that your Aprilaire unit protects - and we inspect the air cleaner itself to make sure the media isn’t overloaded or the electronic cells aren’t cracked. Many Marietta homeowners with Aprilaire systems assume the air cleaner handles everything, but the HVAC components downstream still need periodic cleaning to maintain airflow and efficiency. Call (844) 685-6342 and we’ll service the whole system, air cleaner included.
Ready to get your Marietta home’s HVAC system cleaned right? Call (844) 685-6342 for a free estimate with upfront pricing. We’ll be there when we say, we’ll show you camera proof of the work, and we stand behind it for 90 days - in writing, no arguing.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Marietta since 1984.