Air Duct Cleaning Cost in Gulfport, Mississippi
Expect to pay $290 to $670 for air duct cleaning in Gulfport, MS (whole house). Most homeowners end up near $500, depending on the equipment tier and how much of the old setup can be reused.
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Gulfport Weather and HVAC Load
In a normal year, Gulfport racks up 1,507 heating and 2,748 cooling degree days (NOAA 1991-2020 normals). Cooling carries most of the load, which is why compressors and condenser fan motors wear out faster here than in northern cities. On average, Gulfport gets 16 freezing nights and 69 days above 90°F per year.
| Heating degree days / year | 1,507 |
|---|---|
| Cooling degree days / year | 2,748 |
| Nights at or below 32°F | 16 |
| Days above 90°F | 69 |
| Average low / high | 59.4°F / 77.3°F |
Gulfport Housing Stock
The median Gulfport 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. About 15,000 households here own their home, 53.1% of the occupied total. Homes here have a median value of $167,100 and households a median income of $46,044. Those two numbers drive the labor adjustment in our estimate.
Harrison County had 10 hail days and 21 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 2 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. Harrison County also had 9 tornado days in that period.
When to Book It
- Dust puffs out of the vents when the system starts
- You moved into a house with no maintenance records
- A musty smell after a leak or flood
- Signs of mice or insects in the ducts
What Moves the Price
- How many supply and return vents the house has
- House size and duct layout
- How hard it is to reach ducts in the attic or crawlspace
- Adding a dryer vent cleaning
- Sanitizing or mold treatment
For Gulfport we lowered the national figures about 16%, 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
- Cleaning under negative pressure with a truck or portable vacuum
- Inspecting the supply and return ducts
- Cleaning the registers and grilles
- Before-and-after photos
- Cleaning the blower compartment
Mississippi Permits, Efficiency Rules and Rebates
Mississippi 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
- If the ducts leak, have them sealed during the same visit.
- Put in a new filter as soon as the cleaning is done.
- Ask whether the company follows NADCA standards.
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Air Duct Cleaning Questions from Gulfport Homeowners
How much is air duct cleaning in Gulfport?
Plan on $290 to $670, with most jobs near $500. 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 Gulfport?
Between late fall and early spring. With 69 days over 90°F, Gulfport contractors are booked solid all summer, and off-season jobs are easier to schedule and negotiate.
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.
Does duct cleaning lower energy bills?
Not by much. Sealing leaky ducts makes a much bigger difference to efficiency and comfort.
Air Duct Cleaning Near Gulfport
- Biloxi $310 to $710
- Jackson $290 to $670
- Southaven $340 to $770
- Hattiesburg $290 to $670
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Gulfport Biloxi Airport; NOAA Storm Events Database 2020-2025, Harrison County. Prices are our estimates, not contractor quotes. Updated 2026.