Air Duct Cleaning Cost in Marietta, Georgia
Air duct cleaning in Marietta runs about $620 for a typical job (whole house). Basic installs start near $360. High-efficiency equipment with duct or electrical work can reach $830.
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Marietta Weather and HVAC Load
In a normal year, Marietta racks up 3,050 heating and 1,309 cooling degree days (NOAA 1991-2020 normals). Heating is the bigger job here, and furnaces and heat pumps in Marietta put in far more hours than the air conditioner. Count on roughly 64 nights below 32°F and 10 afternoons past 90°F in a typical year. Snowfall averages about 1 inches.
| Heating degree days / year | 3,050 |
|---|---|
| Cooling degree days / year | 1,309 |
| Nights at or below 32°F | 64 |
| Days above 90°F | 10 |
| Average low / high | 50.1°F / 70.2°F |
Marietta Housing Stock
The median Marietta home dates to 1986, according to the Census ACS. That makes the typical house about 40 years old. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. Owners live in 47.2% of occupied homes, roughly 12,000 households. The median home value is $401,100, and median household income is $70,086. We use both figures to adjust labor and pricing for this page.
Cobb County had 9 hail days and 27 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 1.75 inches across. Hail flattens the thin aluminum fins on condenser coils and cuts airflow. After a big storm, take a look at the outdoor unit; homeowners insurance often covers the damage. Cobb County also had 3 tornado days in that period.
When to Book It
- Signs of mice or insects in the ducts
- You just finished a remodel
- A musty smell after a leak or flood
- You moved into a house with no maintenance records
What Moves the Price
- How hard it is to reach ducts in the attic or crawlspace
- House size and duct layout
- Sanitizing or mold treatment
- Adding a dryer vent cleaning
- How many supply and return vents the house has
We raised the national figures about 3% for Marietta using local income, home values and the equipment size this climate needs. Real bids can still come in outside the range, so collect three written quotes.
What the Quote Should Cover
- Before-and-after photos
- Cleaning under negative pressure with a truck or portable vacuum
- Inspecting the supply and return ducts
- Cleaning the registers and grilles
- Cleaning the blower compartment
Georgia Permits, Efficiency Rules and Rebates
Georgia is in the DOE's Southeast region, where new split central air conditioners need at least 14.3 SEER2 (13.8 SEER2 for systems of 45,000 BTU/h and up).
Before You Hire
- Watch out for $99 whole-house deals. They tend to turn into upsells once the crew is inside.
- If the ducts leak, have them sealed during the same visit.
- Ask whether the company follows NADCA standards.
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Air Duct Cleaning Questions from Marietta Homeowners
How much is air duct cleaning in Marietta?
Plan on $360 to $830, with most jobs near $620. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule air duct cleaning in Marietta?
Between late spring and early fall. Marietta averages 64 freezing nights a year, and heating calls spike from November through February.
Does duct cleaning lower energy bills?
Not by much. Sealing leaky ducts makes a much bigger difference to efficiency and comfort.
How often should ducts be cleaned?
There's no set schedule. The EPA recommends cleaning when there's visible mold, pests or a lot of debris, not on a routine basis.
Air Duct Cleaning Near Marietta
- Smyrna $390 to $900
- Mableton $360 to $830
- Sandy Springs $430 to $980
- Albany $290 to $670
- Stonecrest $320 to $740
- Alpharetta $480 to $1,100
- Brookhaven $460 to $1,060
- Johns Creek $480 to $1,100
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Mableton; NOAA Storm Events Database 2020-2025, Cobb County. Prices are our estimates, not contractor quotes. Updated 2026.