Air Duct Cleaning Cost in Columbia, South Carolina
Our 2026 estimate for air duct cleaning in Columbia, SC is $320 to $730 (whole house). That puts Columbia 9% below the national average, mainly because of lower local labor costs.
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Columbia Weather and HVAC Load
Columbia logs 2,572 heating degree days and 2,075 cooling degree days in a normal year, based on the closest NOAA weather station. Neither season dominates in Columbia. That balance is a big reason heat pumps and dual-fuel systems sell well in South Carolina. A normal year brings 47 nights at or below freezing and 73 days over 90°F.
| Heating degree days / year | 2,572 |
|---|---|
| Cooling degree days / year | 2,075 |
| Nights at or below 32°F | 47 |
| Days above 90°F | 73 |
| Average low / high | 52°F / 75.1°F |
Columbia Housing Stock
The median Columbia home dates to 1978, according to the Census ACS. That makes the typical house about 48 years old. A lot of these homes are on their second or third system by now. The ductwork is usually original, and leaky joints are common. Owners live in 47.3% of occupied homes, roughly 24,000 households. The median home value is $243,500, and median household income is $55,653. We use both figures to adjust labor and pricing for this page.
Richland County had 12 hail days and 64 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 1 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. Richland County also had 4 tornado days in that period.
When to Book It
- Signs of mice or insects in the ducts
- You moved into a house with no maintenance records
- A musty smell after a leak or flood
- Dust puffs out of the vents when the system starts
What Moves the Price
- House size and duct layout
- Adding a dryer vent cleaning
- How many supply and return vents the house has
- How hard it is to reach ducts in the attic or crawlspace
- Sanitizing or mold treatment
For Columbia we lowered the national figures about 9%, based on local income, home values and climate-based equipment sizing. Get at least three written quotes; real bids can land outside this range.
What the Quote Should Cover
- Inspecting the supply and return ducts
- Before-and-after photos
- Cleaning the blower compartment
- Cleaning under negative pressure with a truck or portable vacuum
- Cleaning the registers and grilles
South Carolina Permits, Efficiency Rules and Rebates
South Carolina 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
- Ask whether the company follows NADCA standards.
- 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.
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Air Duct Cleaning Questions from Columbia Homeowners
How much is air duct cleaning in Columbia?
Plan on $320 to $730, with most jobs near $550. 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 Columbia?
In spring or fall. Those are the slow months between heating and cooling season in Columbia.
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 Columbia
- Charleston $400 to $910
- North Charleston $330 to $750
- Mount Pleasant $470 to $1,070
- Rock Hill $330 to $760
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Sandhill Research Elgin; NOAA Storm Events Database 2020-2025, Richland County. Prices are our estimates, not contractor quotes. Updated 2026.