Air Duct Cleaning Cost in Los Angeles, California
Air duct cleaning in Los Angeles runs about $780 for a typical job (whole house). Basic installs start near $460. High-efficiency equipment with duct or electrical work can reach $1,050.
Compare Free Quotes in Los Angeles
Los Angeles Weather and HVAC Load
NOAA's 1991-2020 climate normals put Los Angeles at 1,240 heating degree days and 795 cooling degree days per year. Neither season dominates in Los Angeles. That balance is a big reason heat pumps and dual-fuel systems sell well in California. Freezing nights are rare here, but a normal year brings 6 days over 90°F.
| Heating degree days / year | 1,240 |
|---|---|
| Cooling degree days / year | 795 |
| Nights at or below 32°F | 1 |
| Days above 90°F | 6 |
| Average low / high | 55.3°F / 72.2°F |
Los Angeles Housing Stock
Census figures put the median build year in Los Angeles at 1964, so a typical house here has about 62 years on it. A lot of these homes are on their second or third system by now. The ductwork is usually original, and leaky joints are common. Los Angeles has roughly 515,000 owner-occupied homes, or 36.3% of households. Homes here have a median value of $879,500 and households a median income of $80,366. Those two numbers drive the labor adjustment in our estimate.
NOAA storm reports for Los Angeles County show 3 hail days and 10 days with damaging thunderstorm winds over the six years from 2020 to 2025. The largest hail reported was 1 inches across. Storms here are more likely to cause power surges than coil damage, so a surge protector on the outdoor unit is worth the small cost. Los Angeles County also had 5 tornado days in that period.
When to Book It
- You just finished a remodel
- A musty smell after a leak or flood
- Dust puffs out of the vents when the system starts
- Signs of mice or insects in the ducts
What Moves the Price
- Adding a dryer vent cleaning
- How hard it is to reach ducts in the attic or crawlspace
- Sanitizing or mold treatment
- House size and duct layout
- How many supply and return vents the house has
For Los Angeles we raised the national figures about 31%, 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 the blower compartment
- Before-and-after photos
- Inspecting the supply and return ducts
- Cleaning under negative pressure with a truck or portable vacuum
- Cleaning the registers and grilles
California Permits, Efficiency Rules and Rebates
California is in the DOE's Southwest 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). The Southwest also sets a minimum EER2, which measures efficiency at peak heat.
Before You Hire
- Ask whether the company follows NADCA standards.
- If the ducts leak, have them sealed during the same visit.
- Put in a new filter as soon as the cleaning is done.
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Air Duct Cleaning Questions from Los Angeles Homeowners
How much is air duct cleaning in Los Angeles?
Plan on $460 to $1,050, with most jobs near $780. 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 Los Angeles?
In spring or fall. Those are the slow months between heating and cooling season in Los Angeles.
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 Los Angeles
- San Diego $480 to $1,100
- San Jose $480 to $1,100
- San Francisco $480 to $1,100
- Fresno $350 to $800
- Sacramento $390 to $900
- Long Beach $440 to $1,010
- Oakland $480 to $1,100
- Bakersfield $360 to $830
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Culver City; NOAA Storm Events Database 2020-2025, Los Angeles County. Prices are our estimates, not contractor quotes. Updated 2026.