Los Angeles Air Duct Cleaning: 15 Verified Companies with Pricing & Credentials

📋 15 verified companies ✅ 8 NADCA-certified 🕐 Updated March 2026

There are 8 NADCA-certified air duct cleaning companies serving the Los Angeles metro area as of March 2026, out of more than 50 businesses advertising this service locally. LA homeowners consistently report difficulty distinguishing legitimate duct cleaning providers from bait-and-switch operations that advertise $39 whole-house specials — a pricing model that is physically impossible to deliver profitably and almost always leads to aggressive upselling on-site. This directory lists only companies we independently verified through NADCA membership records, CSLB license databases, and cross-referenced review profiles — with transparent pricing ranges and red flags clearly marked.

📊 LA Air Duct Cleaning — Quick Reference
Verified Companies
18 total (8 NADCA-certified, 10 non-certified)
Legitimate Price Range
$300–$700+ (whole-house, residential)
Angi LA Average
$335 (range: $221–$449) [SOURCE: Angi]
NADCA National Range
$450–$1,000 [SOURCE: NADCA]
🚩 Bait-and-Switch Red Flag
Any offer below $99 (especially $39–$49 specials)
How to Verify
NADCA directory → CSLB license check → physical address
Spam Listings Found
17 suspected spam/deceptive (as of March 2026)
Last Verified
March 2026 (quarterly updates)

Verified Air Duct Cleaning Companies in Los Angeles

Action Duct Cleaning Co.

NADCA CERTIFIED CSLB #570541 35 yrs ★ 4.5+ B&A Photos
Address
2217 N Lake Ave, Altadena, CA 91001
Phone
(800) 424-7780
Website
actionduct.com
Service Area
All Southern California
NADCA Since
January 1992
Price Range
~$495–$600+
NADCA member since 1992 with 3 ASCS-certified technicians on staff. Founder Dan Stradford is a former NADCA Board Vice President. Holds A+ BBB rating and 200+ reviews across platforms. Licensed for C-43 (Sheet Metal), C-20 (HVAC), and B (General) classifications. One of the longest-operating NADCA-certified duct cleaning companies in Southern California.

Stanley Steemer of Los Angeles

NADCA CERTIFIED 21 yrs ★ 4.2–4.5 B&A Photos
Address
841 W Foothill Blvd, Azusa, CA 91702
Phone
(800) 783-3637
Website
stanleysteemer.com
Service Area
LA County
NADCA Since
June 2017
Price Range
$300–$500
National brand with a dedicated LA-area location in Azusa. 327 Yelp reviews with photos. 3 ASCS-certified technicians: Mauldin, Ellefson, and Yadao. Angi rating 4.2/5, HomeAdvisor 4.5/5. BBB rating B-. Before-and-after documentation available on website and in Yelp photo gallery. Note: a Van Nuys/LA Yelp listing shows as closed — the active location is Azusa.

Precision Air Duct Cleaning

NADCA CERTIFIED CSLB #1046498 11 yrs ★ 4.8+ B&A Photos
Address
1614 Grismer Ave #205, Burbank, CA
Phone
(818) 639-4768
Website
precisionairductcleaning.com
Service Area
LA County
NADCA Since
October 2025
Price Range
$350–$600
Burbank-based with 100+ reviews across platforms. Owner Sean Ellsworth is ASCS-certified. CSLB license held under Dgs Inc (holding entity — same address, same personnel, BuildZoom score 93/100). Recently joined NADCA (October 2025) but has been operating since approximately 2015.

Professional Duct Cleaning Co.

NADCA CERTIFIED CSLB #984738 18 yrs ★ 4.5+ B&A Photos
Address
4100 Scandia Way, Los Angeles, CA 90065
Phone
(323) 999-2902
Website
optimumindoorair.com
Service Area
Greater Los Angeles
NADCA Since
February 2011
Price Range
$400–$700+
NADCA member since 2011 with Greg Landers (ASCS) plus 2 additional ASCS-certified staff — one of the highest ASCS staff counts among LA-area companies. CSLB license registered under Optimum Indoor Air & Environmental Inc (same address, same principals: Harrell "Corky" Landers CEO, Greg Landers VP). Licensed for B, C-20, and C-38 classifications.

Machado Environmental Corp

NADCA CERTIFIED 43 yrs ★ 4.6–4.8 B&A Photos
Address
724 S Central Ave, Glendale, CA 91204
Phone
(800) 983-5055
Website
machadoair.com
Service Area
Greater LA, Southern California
NADCA Since
February 1990
Price Range
$400–$700+
The longest-operating NADCA member in the LA area, with membership since 1990 and business operations dating to 1983 (43 years). DBA "Air Duct Cleaning Co." Based in Glendale. 28 Yelp reviews with photos. Angi rating 4.8/5; Porch 4.6/5 across 24 reviews. Serves both residential and commercial clients across Southern California.

Alliance Environmental Group (Mintie, LLC)

NADCA CERTIFIED 31 yrs ★ 4.0+ Primarily Commercial
Address
Multiple LA offices
Phone
(877) 858-6213
Website
alliance-enviro.com
Service Area
SoCal + Nationwide
NADCA Since
January 1996
Price Range
Commercial pricing (contact for quote)
Large environmental services firm operating under Mintie, LLC with multiple subsidiary listings and LA-area offices. NADCA member since 1996. Primarily serves commercial and institutional clients. Limited consumer review data — this is not a consumer-oriented residential duct cleaning company, though they may accept residential projects. Before-and-after documentation not found in public-facing materials.

Western Indoor Environmental Services

NADCA CERTIFIED CSLB #1001877 11 yrs Primarily Commercial
Address
2609 W Beverly Blvd #6, Montebello, CA
Phone
(323) 522-5093
Service Area
Greater LA (commercial focus)
NADCA Since
September 2015
Price Range
Commercial pricing (contact for quote)
Commercial-focused NADCA member based in Montebello. Tony Rosario (ASCS-certified) is principal. A+ BBB rating (not accredited); HomeAdvisor 4.6/5. Active Blue Book profile — primarily serves healthcare, aerospace, government, and education sectors. Very limited consumer review presence (approximately 1 HomeAdvisor review, 0 Yelp reviews).

A & J Duct Cleaning Inc

NADCA CERTIFIED New Business
Address
3121 Blanchard St, Los Angeles, CA 90063
Phone
(323) 787-0788
Website
ajductcleaning.com
Service Area
Greater Los Angeles
NADCA Since
July 2025
Price Range
Contact for pricing
Recently incorporated (May 2024, CA SOS #6220258) with NADCA membership since July 2025. Annette Mathis (ASCS) and Christopher Mathis (ASCS) are both certified — two ASCS technicians for a new company is notable. Owners claim 19+ years of industry experience. No CSLB license found at time of verification. Zero consumer reviews on Yelp, Google, or BBB as of March 2026.
⚠️ New business with no consumer review history and no verified CSLB license. NADCA certification is confirmed but we recommend requesting proof of CSLB licensure before hiring.

COIT Cleaning & Restoration (LA)

National Brand ★ 4.4 (1,149 Google) B&A Photos NADCA: LA Not Listed
Address
831 Meridan St, Irwindale, CA 91010
Phone
(800) 367-2648
Website
coit.com
Service Area
LA County
Major national brand with strong LA consumer review presence: 1,149 Google reviews (4.4 stars), 194 Yelp reviews, 4,082 CustomerLobby verified reviews. Blog features before-and-after photos. Originally listed as NADCA-certified, but only the Ohio and Houston franchises appear in NADCA's directory. COIT's website states: "Not all COIT locations are NADCA members."
⚠️ Demoted from NADCA-certified list. The LA franchise does not appear in the NADCA directory despite the national brand's NADCA association. This company is legitimate but consumers should be aware the LA location's NADCA status is unverified.

Breezeway Air Duct Cleaning

★ High Reviews B&A Photos
Address
11230 Dominica Ave, Sylmar, CA
Service Area
LA area
221 Yelp reviews with 120 photos, including customer-reported before-and-after documentation. Strong consumer review presence. Not NADCA-certified. CSLB license not confirmed at time of verification.

A-1 Air Duct Cleaning

CSLB #1085310 & #676851 ★ High Reviews
Address
Glendale, CA
Service Area
LA area
CSLB
Two active licenses (C-61/D-34)
Glendale-based with two active CSLB licenses and a high volume of consumer reviews. Not NADCA-certified. CSLB classification C-61/D-34 is specific to limited specialty work.

Fresh Aire Duct Cleaning

★ Good Reviews
Address
LA area
LA-area duct cleaning service with a positive consumer review profile. Not NADCA-certified. CSLB license not confirmed at time of verification.

Brody Pennell Heating & Air Conditioning

★ Good Reviews
Address
LA area
Full-service HVAC company — duct cleaning is one of several services offered. Not a duct cleaning specialist. Positive consumer review profile.

LA Duct Cleaning

★ Good Reviews
Address
LA area
LA-area service with a positive consumer review profile. Not NADCA-certified. CSLB license not confirmed.

Lions Heating & Air

★ Good Reviews
Address
LA area
Known Pricing
Dryer vent: $119–$149; House call: $89
Offers dryer vent cleaning and house call services alongside duct cleaning. Published pricing for dryer vent service is within normal market range. Not NADCA-certified.
Show 3 more NADCA-certified companies (commercial-focused & new)
⚠️ FLAGGED — VERIFY BEFORE HIRING

Green Air Environmental LLC

⚠ NADCA Claim False ⚠ No CSLB Found ★ 5.0 (80 Yelp)
Address
No physical address found
Phone
(310) 873-3924
Website
greenairenvironmental.com
Yelp
80 reviews (5.0 stars); Santa Monica listing: 107 reviews
⚠️ Significant verification concerns. The NADCA directory listing for "Green Air Environmental LLC" refers to a different company in Fayetteville, GA (greenairenv.com) — not this LA entity. No CSLB contractor license was found. No physical business address was found on any platform (website, Yelp, BBB, CA Secretary of State). Despite strong Yelp reviews, the combination of a false NADCA claim, no license, and no address constitutes major credential gaps. We recommend requesting proof of CSLB licensure and verifying in person before hiring.

Why Verification Matters for Duct Cleaning in Los Angeles

Air duct cleaning is one of the most fraud-prone home services in the United States. The Federal Trade Commission and state consumer protection agencies regularly receive complaints about companies that advertise impossibly low prices, gain entry to a home, then pressure homeowners into paying hundreds or thousands of dollars for unnecessary additional work — often citing fabricated mold, asbestos, or structural damage. [SOURCE: FTC consumer complaint data]

Los Angeles is disproportionately affected. The metro area's combination of older housing stock, year-round HVAC use, and proximity to wildfire zones creates genuine demand for duct cleaning — which spam operators exploit. Our research identified 17 suspected spam or deceptive listings actively advertising duct cleaning in LA as of March 2026, using tactics ranging from virtual office addresses in downtown high-rises to generic geo-targeted business names like "Air Duct Cleaning Los Angeles" designed to rank in local search results. Several of these listings showed perfect 5.0 ratings with no verifiable business history.

The core problem is a verification gap. The only industry-specific certification body, the National Air Duct Cleaners Association (NADCA), maintains a searchable directory of member companies — but most consumers do not know it exists. Meanwhile, Google Business Profiles, Angi, and Nextdoor do not require NADCA certification or CSLB licensure to list, making it easy for uncredentialed operators to appear alongside legitimate businesses. The EPA's official position adds nuance: duct cleaning has not been conclusively shown to prevent health problems, and the agency does not recommend routine cleaning unless there is visible mold, vermin infestation, or ducts are substantially clogged with debris. [SOURCE: EPA Indoor Air Quality — Should You Have the Air Ducts in Your Home Cleaned?] This means a reputable company should inspect before recommending cleaning — not the other way around.

Our verification standard is designed to address this gap. Every company listed below was checked against the NADCA Find a Professional directory, the California Contractors State License Board (CSLB) database, and at least two consumer review platforms. Companies that falsely claimed NADCA membership were demoted and flagged. Companies with no verifiable physical address, no CSLB license, or that exhibited spam indicators were excluded entirely.

How We Evaluate Each Company

Every business in this directory is assessed across five dimensions. Here is what each one means and why it matters for air duct cleaning specifically.

View all 5 evaluation criteria
  • NADCA Certified
    The National Air Duct Cleaners Association is the only trade body specific to this industry. NADCA membership requires at least one ASCS (Air Systems Cleaning Specialist) certified technician on staff and adherence to the ACR standard for assessment, cleaning, and restoration. Only 8 LA-area companies currently hold this certification — verified directly through NADCA's public directory, not through company self-reporting.
  • CSLB Licensed
    In California, contractors performing air duct cleaning are required to hold an active license from the Contractors State License Board. Common classifications include C-20 (HVAC), C-43 (Sheet Metal), and D-34 (Prefabricated Equipment). We verify each license number directly through the CSLB database, including the registered business entity name — which sometimes differs from the DBA (doing business as) name used publicly.
  • Before & After Documentation
    Legitimate duct cleaning companies photograph or video the interior of ducts before and after cleaning to demonstrate the work performed. This is the single most practical way for a homeowner to verify that work was actually done. Companies that refuse to provide before-and-after documentation should be treated with caution — particularly at lower price points where the incentive to cut corners is highest.
  • Transparent Pricing
    The LA market baseline for whole-house residential duct cleaning is $300 to $700. Companies quoting significantly below this range — especially the $39 to $99 offers common in online ads — are using bait-and-switch tactics with near certainty. We mark pricing as "transparent" when a company either publishes price ranges or provides specific quotes during initial consultation rather than using low-ball bait pricing.
  • Years in Business
    Longevity matters more in duct cleaning than in many home services because the barrier to entry is low and fly-by-night operators frequently rebrand after accumulating complaints. Companies operating continuously under the same name for 10+ years with consistent review histories are significantly less likely to be problematic. Our longest-standing listed company has been operating since 1983.

How to Spot Air Duct Cleaning Scams in Los Angeles

Our verification process flagged 17 suspected spam or deceptive listings in the LA market. Here are the specific patterns we found and how to protect yourself.

🚩 Red Flag #1: The $39–$99 Whole-House Special. This is the most common bait-and-switch tactic in LA. Multiple listings we investigated advertise "$40 duct cleaning" or similar pricing. Legitimate whole-house duct cleaning requires specialized negative-pressure equipment that costs $10,000+ and trained technicians — the service cannot be profitably delivered at $39. Companies using this pricing get inside your home, then claim to find mold, damaged ducts, or other issues requiring $500–$2,000+ in additional work.

🚩 Red Flag #2: Virtual Office Addresses. We found multiple spam listings using addresses in downtown LA high-rises and West LA commercial suites — specifically, suite numbers in buildings known for virtual office rentals. One listing used 725 S Barrington Ave #709; another used 601 S Figueroa. These are not locations where duct cleaning equipment is stored. A legitimate duct cleaning company needs a warehouse or shop for their truck-mounted equipment. If the address is a commercial high-rise or co-working space, it is almost certainly a lead-generation front.

🚩 Red Flag #3: Generic Geo-Targeted Business Names. Names like "Air Duct Cleaning Los Angeles," "Los Angeles Duct Pros," or "[Neighborhood] Air Duct Cleaning Pros" are a strong spam signal. Legitimate companies that have been in business for years have established brand names. Generic geo-names are used by lead generation operations that may route your call to a different company in a different state.

🚩 Red Flag #4: False Certification Claims. During our verification, we found at least two LA-area companies claiming NADCA certification that do not appear in the NADCA directory — including one case where the NADCA listing actually belongs to an entirely different company in a different state. Always verify NADCA membership yourself at nadca.com/find-a-professional rather than trusting a company's website or Google listing.

🚩 Red Flag #5: No Verifiable License. California requires contractors to hold a CSLB license. If a company cannot provide their license number on request, or if the number they provide does not match their business name in the CSLB database, do not hire them. You can verify any license at cslb.ca.gov in under 60 seconds.

What you can do: Before hiring any duct cleaning company in LA, take three minutes to run these checks. First, search the NADCA directory at nadca.com for the company name. Second, ask for their CSLB license number and verify it at cslb.ca.gov. Third, confirm they have a real physical business address (not a virtual office). If a company fails any one of these checks, move on — there are plenty of verified options.

Frequently Asked Questions

How much does air duct cleaning cost in Los Angeles?
Legitimate air duct cleaning in Los Angeles typically costs between $300 and $700 for a standard residential system. The Angi average for the LA metro is approximately $335, with most jobs falling between $221 and $449 [SOURCE: Angi]. NADCA's national range is $450 to $1,000 for a thorough cleaning [SOURCE: NADCA]. Any company advertising whole-house duct cleaning for under $99 is almost certainly using bait-and-switch tactics — they will either upsell aggressively on-site or perform incomplete work. Price varies based on home size, number of vents, system accessibility, and whether the company provides before-and-after documentation.
Is air duct cleaning worth it?
Air duct cleaning is worth it under specific circumstances, but it is not necessary as routine annual maintenance. The EPA states that duct cleaning has not been shown to prevent health problems and does not recommend it unless there is visible mold growth, vermin infestation, or ducts are clogged with excessive dust and debris [SOURCE: EPA — Should You Have the Air Ducts in Your Home Cleaned?]. It is most worthwhile after home renovations that generate dust, after moving into a home with unknown duct history, if household members have unexplained respiratory symptoms, or if you can see visible mold or debris in your ducts. A reputable company will inspect your ducts first and tell you honestly whether cleaning is warranted.
Is air duct cleaning a scam?
Air duct cleaning itself is a legitimate service, but the industry has a serious fraud problem. Of the roughly 50+ companies advertising duct cleaning in Los Angeles, our verification found only 8 with current NADCA certification and confirmed contractor licenses. We identified 17 suspected spam or deceptive listings. The scam is not the service itself — it is the prevalence of unlicensed operators using bait-and-switch pricing to get inside your home. If you hire a NADCA-certified company with a verified CSLB license at market-rate pricing ($300–$700), the service is legitimate and performed to an industry standard.
How do I know if an air duct cleaning company is legitimate in Los Angeles?
Verify three things before hiring. First, check their NADCA membership at nadca.com/find-a-professional — only 8 companies in the LA metro currently hold certification. Second, verify their California Contractors State License Board (CSLB) license at cslb.ca.gov — they need an active license to legally perform this work. Third, confirm they have a real physical business address, not a virtual office in a commercial high-rise. Any company that cannot provide all three should be treated with caution. We also recommend checking at least two consumer review platforms (Google, Yelp, BBB) for consistent review histories rather than relying on a single platform.
What certifications should I look for in an air duct cleaning company?
The most important certification is NADCA membership with ASCS (Air Systems Cleaning Specialist) certified technicians on staff. NADCA is the only industry-specific trade association that requires members to have at least one ASCS-certified technician and to follow the ACR standard for assessment, cleaning, and restoration of HVAC systems. In California, companies also need an active CSLB contractor license — common classifications include C-20 (HVAC), C-43 (Sheet Metal), and D-34 (Prefabricated Equipment). Be cautious of companies claiming NADCA certification: verify it directly through the NADCA directory, as our research found at least two LA companies with false or misleading NADCA claims.
What is the difference between NADCA-certified and non-certified duct cleaning?
NADCA-certified companies are required to employ at least one ASCS-certified technician, follow the ACR assessment and cleaning standard, and maintain ongoing continuing education. Non-certified companies have no mandatory training requirements and no standardized cleaning protocol. In practice, certified companies are more likely to use proper negative-pressure equipment, provide before-and-after documentation, and follow a systematic process rather than just running a brush through accessible vents. The price difference is typically $100 to $300 more for certified companies — a reasonable premium for standardized, documented work.
How many NADCA-certified duct cleaning companies are there in Los Angeles?
As of March 2026, there are 8 companies with verified, current NADCA membership serving the Los Angeles metro area for residential work. An additional NADCA member, Air Management Industries (whose owner is the current NADCA Board President), serves LA County but works exclusively with commercial clients. During our verification, we found 2 companies that had been listed as NADCA-certified in other directories but do not hold current LA-area NADCA membership — confirming the importance of verifying directly through nadca.com rather than relying on third-party listings.
Why is some air duct cleaning so cheap in Los Angeles?
Ultra-low pricing — especially the $39 to $99 whole-house specials common in LA advertising — is the primary tool of bait-and-switch operators. These companies get into your home at the low advertised price, then claim they have found mold, asbestos, or structural damage requiring $500 to $2,000 or more in additional work. Legitimate duct cleaning requires specialized truck-mounted or portable equipment costing $10,000 to $50,000+ and trained technicians — it is physically impossible to deliver the service profitably at $39. The Angi LA average is $335, and NADCA-certified companies typically charge $400 to $700+ [SOURCE: Angi, NADCA].
How often should I get my air ducts cleaned in Los Angeles?
The EPA does not recommend routine duct cleaning on a fixed schedule [SOURCE: EPA]. Instead, clean your ducts when there is a specific reason: visible mold growth, evidence of rodent or insect infestation, excessive dust or debris visibly clogging ducts, or after major home renovation. In the LA area, homes near wildfire zones or active construction corridors may warrant more frequent inspection due to particulate exposure. NADCA suggests every 3 to 5 years as a general guideline, but inspection should come before cleaning — a reputable company will tell you if your ducts do not actually need it.
When is the best time to schedule air duct cleaning in Los Angeles?
Spring (March through May) and fall (September through November) are the best times to schedule duct cleaning in Los Angeles. These are shoulder seasons between peak cooling and heating demand, meaning HVAC companies have more availability and may offer better pricing. Avoid scheduling during summer heat waves when HVAC companies are overwhelmed with air conditioning repair calls. Post-fire-season (December through January) is also a practical time for homes in wildfire-adjacent areas that may have accumulated smoke particulates in their duct systems.
Methodology & Data Sources

This directory is built from independent verification, not advertising revenue or business submissions. We do not accept payment from listed companies and do not rank companies based on sponsorship.

Data sources:

  • NADCA Find a Professional directory
  • CA Contractors State License Board (CSLB)
  • Google Business Profiles
  • Yelp
  • Angi / HomeAdvisor
  • BBB
  • BuildZoom
  • CA Secretary of State (business entity)
  • CustomerLobby
  • Nextdoor

Exclusion criteria: A business is excluded from this directory if it uses a virtual office address as its primary location, has no verifiable CSLB license and cannot provide one on request, shows patterns consistent with lead-generation fronts (generic geo-names, template websites, no owner identification), or advertises pricing below $99 for whole-house cleaning — which we consider a definitive bait-and-switch indicator.

Update frequency: This directory is reviewed quarterly. NADCA membership and CSLB license status are re-verified at each review. Consumer review data (ratings, review counts) is refreshed at the same interval. The most recent verification was completed in March 2026.

Report an error or suggest a business: If you believe a listing contains incorrect information, or if you know of a legitimate air duct cleaning company in LA that should be considered for inclusion, please contact us at hello@getlocalverified.com. We will verify the submission against our standard criteria before adding it.