Long Beach CA Air Duct Cleaning: 20 Verified Companies with CSLB & NADCA Credentials

📋 20 verified companies ✅ 12 NADCA-certified 🕐 Updated April 2026

The Long Beach air duct cleaning market has a striking imbalance: only one NADCA-certified company is physically located in the Long Beach metro — VeloAir Inc. in Signal Hill/Carson — while 11 additional NADCA members spread across LA County serve the area as part of broader Southern California coverage. At the same time, at least 23 suspected spam or lead-generation websites target Long Beach ZIP codes, organized into three coordinated networks sharing templates, sequential VoIP phone numbers, and cross-links to unrelated service spam sites across multiple states. This directory covers all 20 verified companies — 12 NADCA-certified, 8 legitimate non-certified — plus a flagged section documenting every identified spam operation active in this market as of April 2026.

In California, any HVAC or duct work valued over $500 requires a CSLB C-20 license (Warm-Air Heating, Ventilating and Air-Conditioning). Operating without one is a misdemeanor under Business & Professions Code §7028. This makes C-20 verification the most powerful consumer protection tool available: visit cslb.ca.gov, enter the company's license number, and confirm the license is active and includes the C-20 classification. California law requires contractors to display license numbers in all advertising — any company that refuses to provide one should be dismissed immediately. Combined with NADCA ASCS certification, C-20 licensure represents the gold standard for this market.

Two environmental factors set Long Beach apart from most US air duct markets. First, the Ports of Los Angeles and Long Beach — the busiest port complex in the Western Hemisphere — route diesel truck traffic through residential neighborhoods, driving PM2.5 levels that make duct cleaning a genuine health consideration, not just a maintenance task, for West Long Beach, Wrigley, and I-710 corridor homes. Second, the coastal Mediterranean climate and summer marine layer push relative humidity near 100% in neighborhoods like Belmont Shore and Naples Island, creating persistent mold-favorable conditions inside ductwork. Legitimate whole-house duct cleaning in Long Beach runs $450–$1,000; any offer below $300 is almost certainly a bait-and-switch entry point.

📊 Long Beach CA Air Duct Cleaning — Quick Reference
Verified Companies
20 total (12 NADCA-certified, 8 non-certified)
NADCA-Certified (Long Beach metro)
1 physically in metro: VeloAir Inc. (Signal Hill/Carson)
NADCA-Certified (serving from LA County)
11 additional: Action Duct, A&J Duct, MTX, Professional Duct, BMS CAT, Stanley Steemer Anaheim, Pure N Natural, Aeroscopic, Machado Environmental, Stanley Steemer LA, Covello's
CSLB C-20 License
Required for any HVAC/duct work over $500 in California — verify at cslb.ca.gov before hiring
Legitimate Price Range
$450–$1,000 (whole-house residential); LA/Long Beach labor runs 15–25% above national average
🚩 Bait-and-Switch Red Flag
Any offer below $300; toll-free-only numbers; no CSLB license number; address without street number
How to Verify
CSLB (cslb.ca.gov) + NADCA directory (nadca.com/find-a-professional) — both checks required
Spam Listings Found
23+ suspected spam/lead-gen websites (as of April 2026) — three coordinated networks identified
Port Diesel Context
West Long Beach and Wrigley homes near I-710 should clean ducts every 1–2 years; coastal homes every 2–3 years
Last Verified
April 2026 (quarterly updates)

Long Beach CA Air Duct Cleaning Companies — Verified April 2026

VeloAir Inc.

NADCA CERTIFIED Verify on NADCA → 5 yrs NADCA 2 ASCS on Staff EPA Certified CSLB #1077553
Address
2682 Dawson Ave, Signal Hill, CA 90755 (website) / 21213 S Wilmington Ave, Carson, CA 90810 (NADCA profile)
Phone
(800) 379-3500
Website
veloairinc.com
Service Area
LA, Orange, Riverside, and San Bernardino Counties — explicitly lists Long Beach, Carson, Signal Hill, Torrance, Redondo Beach, Seal Beach
NADCA Since
February 5, 2020 (~5 years)
Job Types
Commercial and Residential
Certified Personnel
Edgar Sarmiento (ASCS), Pedro Perez (ASCS) — 2 ASCS on staff
CSLB License
#1077553 — Classifications: B (General Building), C-20 (HVAC), C-61/D-64 (Air Duct Cleaning)
Additional Certs
EPA certified, IICRC certified
Services
Air duct cleaning/installation/repair, dryer vent cleaning, chimney sweeping, attic insulation, crawl space repair, HVAC remediation, mold remediation, fire/flood restoration
Equipment
Truck-mounted equipment (industry best practice); free visual inspections
Google Rating
~4.8 stars, ~31 Google reviews; 81 Yelp photos
The only NADCA-certified company physically based in the Long Beach metro area — Signal Hill is enclaved within Long Beach, and the dual-address situation (Signal Hill on website, Carson on NADCA profile) likely reflects a business relocation; both locations fall within the immediate target area. VeloAir holds the full credential stack for this market: B, C-20, and C-61/D-64 CSLB classifications, two ASCS-certified technicians, EPA certification, IICRC certification, and truck-mounted equipment for proper negative-pressure cleaning. Owner Pedro P. responds personally to customer Q&A. For Long Beach residents who want a locally based NADCA member, VeloAir is the clear first call.

Action Duct Cleaning Company Inc.

NADCA CERTIFIED Verify on NADCA → 34 yrs NADCA NADCA Board Member 3 ASCS on Staff CSLB #570541
Address
2333 Lincoln Ave, Altadena, CA 91001 (~30 miles from Long Beach)
Phone
(626) 791-7870 | Toll-free: (800) 371-2284
Website
actionduct.com
Service Area
All of LA County including Long Beach, Carson, Bellflower, Compton, Lakewood, Cerritos, and Paramount
NADCA Since
January 27, 1992 (~34 years — one of the longest-standing NADCA members in Southern California)
Job Types
Commercial and Residential
Certified Personnel
Dan Stradford (ASCS), Fernando Rivas (ASCS), Joe Barton Jr. (ASCS) — 3 ASCS on staff
CSLB Licenses
#570541 (C-20, Sheet Metal, Air & Water Balancing, HVAC) and #874976 (B — General Building)
Notable
Co-founder Dan Stradford serves on the NADCA Board of Directors; BuildZoom score 97 (top 18% CA contractors); published extensive anti-bait-and-switch educational content
The gold standard for verified NADCA credentials in the LA market. Action Duct has held NADCA membership since January 1992 — over 34 years — and co-founder Dan Stradford serves on the NADCA Board of Directors, making this the most authoritative NADCA-affiliated option serving Long Beach. Two active CSLB licenses (including C-20 and C-61/D-64) cover every category of duct work required under California law. Action Duct is also well known for documenting bait-and-switch operations in the LA market and providing consumer education — a resource worth reading before hiring anyone in this market.

ℹ️ Based in Altadena (~30 miles from Long Beach). Local 626 area code reflects San Gabriel Valley base. Best choice for customers who want maximum NADCA and CSLB verification depth; confirm service to your specific zip code when scheduling.

Air Duct Cleaning Co. / Machado Environmental Corp.

NADCA CERTIFIED Verify on NADCA → 36 yrs NADCA C-20 Licensed CSLB #719286
Address
2219 Broadview Dr, Glendale, CA 91208 (~30 miles from Long Beach)
Phone
(818) 249-3620 | Toll-free: (800) 358-3828
Website
machadoair.com
Service Area
LA County including Long Beach area
NADCA Since
February 16, 1990 (~36 years — one of NADCA's earliest members nationally)
Job Types
Commercial and Residential
CSLB License
#719286 (C-20 confirmed — "C-20 licensed contractor that is insured and bonded")
Services
Air duct cleaning, HVAC cleaning, dryer vent, furnace cleaning
Years in Business
35+ years (NADCA member since 1990, likely operating earlier)
One of NADCA's earliest members nationally, holding membership since February 1990 — a 36-year track record that is nearly unmatched in the Southern California market. The company's dual identity (Air Duct Cleaning Co. and Machado Environmental Corp.) reflects long operational history. CSLB #719286 includes the C-20 classification. Based in Glendale but serves LA County including Long Beach.

ℹ️ Based in Glendale (~30 miles from Long Beach). 818 area code reflects SFV/Glendale base. Confirm Long Beach service area coverage when scheduling.

Professional Duct Cleaning

NADCA CERTIFIED Verify on NADCA → 15 yrs NADCA 3 ASCS on Staff BBB A+ CSLB #984738
Address
4100 Scandia Way, Los Angeles, CA 90065 (~20 miles from Long Beach)
Phone
(323) 999-2901
Website
ductcleaningprofessionals.com
Service Area
LA metro including Long Beach
NADCA Since
February 3, 2011 (~15 years)
Job Types
Commercial and Residential
Certified Personnel
Greg Landers (ASCS), Jesus Alvarado (ASCS), Hugo Mojica (ASCS) — 3 ASCS on staff
CSLB License
#984738 (active per Yelp; verify C-20 classification directly at cslb.ca.gov)
BBB
A+ (not accredited); business started 2001
Services
Residential and commercial duct cleaning; chimney, dryer vent, duct sealing, HVAC, IAQ, kitchen ventilation
Los Angeles-based NADCA member with three ASCS-certified technicians on staff — one of the stronger certified staffing ratios found in the LA market. Joined NADCA in February 2011 and holds BBB A+ rating. Serves the Long Beach metro as part of its broader LA County coverage. Greg Landers leads the certified team. Verify the C-20 classification directly at cslb.ca.gov before scheduling for duct work exceeding $500.

ℹ️ CSLB #984738 confirmed active; C-20 classification should be verified directly at cslb.ca.gov — the classification type was not confirmed in available records.

A & J Duct Cleaning Inc.

NADCA CERTIFIED Verify on NADCA → New Member 2025 2 ASCS on Staff
Address
3121 Blanchard St, Los Angeles, CA 90063 (~15 miles from Long Beach)
Phone
(323) 787-0788
Website
ajductcleaning.com
Service Area
LA metro including Long Beach
NADCA Since
July 8, 2025 (new member)
Job Types
Commercial and Residential
Certified Personnel
Annette Mathis (ASCS), Christopher Mathis (ASCS)
Services
Air duct cleaning, chimney, dryer vent, kitchen ventilation
East Los Angeles-based NADCA member with two ASCS-certified technicians (Annette and Christopher Mathis). A newer NADCA member (joined July 2025), serving both commercial and residential customers across the LA metro. The proximity to Long Beach (~15 miles) makes A&J a viable option, particularly for customers in neighborhoods such as Lakewood, Bellflower, and Compton that lie between the two areas.

ℹ️ Joined NADCA in July 2025 — a newer member with less NADCA tenure than other listed companies. Verify current membership status at nadca.com/find-a-professional and confirm CSLB C-20 license before scheduling.

MTX Duct Cleaning Service Co.

NADCA CERTIFIED Verify on NADCA → New Member 2024 COMMERCIAL ONLY
Address
8039 Painter Ave Ste 100, Whittier, CA 90602 (~15 miles from Long Beach)
Phone
(626) 383-1994
Service Area
LA County commercial market including Long Beach area
NADCA Since
December 19, 2024 (new member)
Job Types
Commercial only — does not serve residential customers
Certified Personnel
Adrian Gonzalez (ASCS); Contact: Alex Gonzalez
Services
Air duct cleaning, duct sealing, IAQ
Whittier-based NADCA member focused exclusively on commercial duct cleaning and indoor air quality. Joined NADCA in December 2024. Adrian Gonzalez holds the ASCS certification. At ~15 miles from Long Beach, MTX is well-positioned for commercial facility managers in the South Bay and Long Beach port area. This company serves commercial clients only. Residential homeowners should contact VeloAir or Action Duct Cleaning instead.

⚠️ Commercial clients only. Residential homeowners: contact VeloAir Inc. or Action Duct Cleaning for NADCA-certified residential service.

Aeroscopic Environmental Inc.

NADCA CERTIFIED Verify on NADCA → 29 yrs NADCA IAQ Specialist
Address
1833 Dana St, Glendale, CA 91201 (~30 miles from Long Beach)
Phone
(800) 950-2376 | (818) 543-3930
Website
aeroscopic.com
Service Area
LA County including Long Beach
NADCA Since
October 16, 1996 (~29 years)
Job Types
Commercial and Residential
Services
Air duct cleaning, HVAC cleaning, IAQ, fire/flood restoration
Glendale-based NADCA member with nearly 30 years of membership — a deep tenure that signals sustained operational commitment to NADCA standards. Aeroscopic specializes in indoor air quality alongside standard duct cleaning, and provides fire and flood restoration services. A solid option for Long Beach homeowners dealing with post-wildfire smoke or Santa Ana wind contamination requiring both duct cleaning and broader IAQ assessment.

ℹ️ Based in Glendale (~30 miles from Long Beach). Confirm service to Long Beach when scheduling.

BMS CAT Southern California (Blackmon Mooring)

NADCA CERTIFIED Verify on NADCA → 7 yrs NADCA National Restoration Brand Primarily Commercial
Address
1321 N Blue Gum St, Anaheim, CA 92806 (~20 miles from Long Beach)
Phone
(714) 227-3853
Website
blackmonmooring.com
Service Area
Southern California including Long Beach
NADCA Since
February 26, 2019 (~7 years)
Job Types
Primarily commercial restoration
Services
Commercial HVAC duct cleaning, fire and water damage restoration, disaster recovery
Part of the national Blackmon Mooring / BMS CAT network, the Anaheim location serves Southern California commercial clients with NADCA-certified duct cleaning as part of a broader disaster restoration and HVAC services portfolio. Best suited for commercial property managers and building owners in the Long Beach port area who need a nationally-backed restoration company with NADCA credentials.

ℹ️ Primarily a commercial restoration company. Residential homeowners should contact VeloAir or Action Duct Cleaning for NADCA-certified residential service.

Stanley Steemer of Anaheim

NADCA CERTIFIED Verify on NADCA → 4 yrs NADCA 3 ASCS on Staff National Brand
Address
4530 E Eisenhower Cir, Anaheim, CA 92807 (~20 miles from Long Beach)
Phone
(657) 274-2756
Website
stanleysteemer.com
Service Area
Orange County and eastern Long Beach area
NADCA Since
September 27, 2021 (~4 years)
Job Types
Commercial and Residential
Certified Personnel
Mario Tapia (ASCS), Jesus Lopez (ASCS), Luis Gomez (ASCS) — 3 ASCS on staff
Services
Air duct cleaning, dryer vent cleaning, carpet cleaning
The Anaheim franchise of Stanley Steemer operates separately from the LA-area franchise and covers the Orange County and eastern Long Beach corridor. Three ASCS-certified technicians (Mario Tapia, Jesus Lopez, Luis Gomez). As with all Stanley Steemer franchises, CSLB #856264 (C-20) covers California HVAC operations. Long Beach customers in the eastern zip codes (90803, 90804, 90805) may be served by this franchise. Confirm which Stanley Steemer franchise covers your specific address before scheduling.

ℹ️ This is a separate franchise from Stanley Steemer Los Angeles (Azusa). Customers in eastern Long Beach should confirm which franchise serves their zip code.

Stanley Steemer of Los Angeles

NADCA CERTIFIED Verify on NADCA → 9 yrs NADCA 3 ASCS on Staff Explicit LB Coverage CSLB #856264
Address
841 W Foothill Blvd, Azusa, CA 91702 (~35 miles from Long Beach)
Phone
1-800-STEEMER (1-800-783-3637)
Website
stanleysteemer.com
Service Area
All of LA County including Long Beach — website explicitly states service "from Long Beach to Pasadena"
NADCA Since
June 28, 2017 (~9 years)
Job Types
Commercial and Residential
Certified Personnel
Jarred Mauldin (ASCS), Steven Ellefson (ASCS), Luke Yadao (ASCS)
CSLB License
#856264 (C-20 confirmed)
Services
Air duct cleaning, dryer vent, carpet, tile/grout, upholstery; truck-mounted vacuums; IICRC certified
Notable
Free pre-cleaning inspection; no subcontractors; $450–$1,000 published price range
The LA County franchise of Stanley Steemer explicitly names Long Beach in its service area — "from Long Beach to Pasadena" — making this the most directly stated NADCA-certified coverage for Long Beach from a national brand. Three ASCS-certified technicians, CSLB #856264 (C-20), truck-mounted equipment, and a free pre-cleaning inspection. National chain accountability combines with locally-employed certified technicians. CSLB and NADCA credentials verified.

ℹ️ Based in Azusa (~35 miles from Long Beach). This is a separate franchise from Stanley Steemer Anaheim. The website states explicit Long Beach coverage; confirm your zip code falls within this franchise's territory.

Pure N Natural Systems

NADCA CERTIFIED Verify on NADCA → New Member 2025
Address
5625 Cambridge Way, Culver City, CA 90230 (~20 miles from Long Beach)
Phone
(424) 299-9463
Website
purennatural.com
Service Area
LA metro including Long Beach
NADCA Since
June 7, 2025 (new member)
Certified Personnel
Sofia Quintero (contact)
Culver City-based NADCA member that joined in June 2025. Details on staff size and specific certifications are limited given the recency of NADCA membership. Serves the LA metro including Long Beach. Verify current ASCS certification and CSLB C-20 status directly before scheduling.

ℹ️ Joined NADCA in June 2025 — newest member on this list. Verify current ASCS certification and CSLB C-20 license at cslb.ca.gov before scheduling.

Covello's Pacific AirCare Inc.

NADCA CERTIFIED Verify on NADCA → 19 yrs NADCA ASCS + CVI Primarily Commercial
Address
2890 Butterfield Rd, Riverside, CA 92503 (~50 miles from Long Beach)
Phone
(714) 469-1757
Website
pachvac.com
Service Area
Inland Empire and broader Southern California commercial market
NADCA Since
April 3, 2007 (~19 years)
Job Types
Commercial focus
Certified Personnel
Perry A. Covello and two technicians with both ASCS and CVI (Certified Ventilation Inspector) credentials
Services
Commercial duct cleaning, fire damper inspections, asbestos abatement, ventilation system inspection
Riverside-based NADCA member with CVI (Certified Ventilation Inspector) credentials — an advanced certification beyond standard ASCS that qualifies technicians to inspect complex commercial ventilation systems. Three certified technicians including two with dual ASCS/CVI credentials. Most relevant for commercial facility managers and building owners in the Long Beach port area requiring fire damper inspection or complex ventilation system work. At ~50 miles from Long Beach, Covello's is best suited for commercial specialty work rather than routine residential cleaning.

ℹ️ Based in Riverside (~50 miles from Long Beach). Primarily a commercial-focus operator. Best suited for commercial property managers needing CVI-credentialed ventilation inspection or fire damper work.

One Way Heating & Air Conditioning

35+ Yrs in Business South Bay HVAC Specialist CSLB #517230
Address
22395 S. Western Ave., Ste. 301, Torrance, CA 90501
Phone
(310) 212-5554
Website
onewayair.com
CSLB License
#517230 (displayed on website)
Service Area
South Bay including Torrance, Long Beach, Redondo Beach, Hermosa Beach
Hours
Mon–Fri 8am–5pm
Services
Duct cleaning (supplemental to core HVAC services), full HVAC installation and repair
Founded
35+ years in business
Highly legitimate South Bay HVAC company with 35+ years in the market, a real commercial address on a major thoroughfare, local 310 area code, and CSLB #517230 displayed prominently. Duct cleaning is offered as a supplemental service to core HVAC work — which means technicians understand ductwork in the context of the whole HVAC system, not just as a standalone cleaning job. The strongest non-certified option for South Bay and western Long Beach customers who prefer a local HVAC company over a national franchise.

SERVPRO of Long Beach (Multiple Franchises)

IICRC Certified 24/7 Emergency NADCA Standards National Franchise
Franchises Serving Long Beach
SERVPRO of Downtown Long Beach/Signal Hill; SERVPRO of Northeast Long Beach/Lakewood; SERVPRO of Bellflower (562) 608-8805; SERVPRO of Seal Beach/Los Alamitos/Cypress
Website
servpro.com
Service Area
All Long Beach neighborhoods and adjacent cities (Lakewood, Bellflower, Seal Beach, Los Alamitos, Cypress)
Certifications
IICRC trained; follows NADCA standards per website; Signal Hill franchise is Chamber of Commerce member
Services
HVAC/duct cleaning, water damage, fire restoration, mold remediation; 24/7 emergency service
Founded
Long Beach/Signal Hill franchise founded locally 2008
Four SERVPRO franchises provide overlapping coverage across Long Beach and surrounding communities. The Downtown Long Beach/Signal Hill franchise has a genuine local presence (Chamber of Commerce member, CSU Long Beach community involvement) and was founded in 2008. SERVPRO franchises follow NADCA standards but are not NADCA directory members. IICRC certification covers restoration work. The 24/7 emergency capability and post-disaster specialization (fire, water, mold) make SERVPRO the strongest non-certified option for emergency situations — particularly relevant for Long Beach homes subject to Santa Ana wind events and wildfire smoke.

Brody Pennell Heating & Air Conditioning

Established 1945 Nearly 80 Years in Business LA Institution
Phone
(310) 810-2721 | (424) 258-9850
Website
brodypennell.com
Service Area
LA and surrounding areas including Long Beach
Founded
1945 — nearly 80 years in business
Services
Air duct cleaning (supplemental to core HVAC), full HVAC installation, maintenance, and repair
One of the oldest HVAC companies in Los Angeles, founded in 1945. Brody Pennell's longevity — nearly 80 years — makes it one of the most established operators in the broader LA market. Duct cleaning is offered as part of its comprehensive HVAC service portfolio. Not NADCA-certified, but the depth of HVAC experience and market tenure provide strong accountability indicators.

Carter Services

500,000+ Projects Multi-Trade Realtor Trusted
Phone
(310) 872-1898
Website
carterservices.com
Service Area
Torrance and South Bay area including Long Beach
Services
Duct cleaning, plumbing, HVAC, electrical — full multi-trade residential services
Notable
Claims 500,000+ projects completed; trusted by local realtors
Torrance-area multi-trade company offering duct cleaning alongside plumbing, HVAC, and electrical services. The 500,000+ project claim and realtor referral base suggest a substantial operational history. Duct cleaning as an add-on to core HVAC services is a common pattern for full-service residential companies. Not NADCA-certified; verify CSLB C-20 before scheduling any duct work over $500.

Steamatic of South Bay

National Franchise South Bay Local
Phone
(310) 870-0353
Website
steamaticsouthbay.com
Location
Torrance, CA
Services
Air duct cleaning, carpet cleaning, water/fire damage restoration
Local Torrance franchise of the national Steamatic brand, serving the South Bay and Long Beach area. Offers duct cleaning alongside carpet cleaning and restoration services. National franchise model provides brand accountability. Not NADCA-certified. Verify CSLB C-20 license before scheduling duct work.

A-1 Air Duct Cleaning

Family-Owned 30+ Cities Served CSLB #1085310
Address
315 Concord St, Glendale, CA
Phone
(818) 796-3737
Website
a-1airductcleaning.com
Service Area
30+ cities including Long Beach and Torrance
CSLB Licenses
#1085310 (C-61/D64 — Air Duct Cleaning specialty) and #676851 (Cleaning Fans & Duct Work)
BBB
Not accredited; Bond: American Contractors Indemnity Company ($15,000)
Services
Air duct cleaning, dryer vent cleaning; family-owned; transparent pricing
Glendale-based family-owned duct cleaning company with two active CSLB specialty licenses covering air duct work and positive Yelp reviews. References NADCA cleaning guidelines but does not claim NADCA membership. Note that the C-61/D64 classification is a specialty license covering limited air duct cleaning — it is not the full C-20 HVAC license. For duct work that may involve HVAC components or exceed $500, verify which license applies to the specific scope of work at cslb.ca.gov.

ℹ️ Holds C-61/D64 specialty license (limited air duct cleaning), not a full C-20 HVAC contractor license. For duct work involving HVAC components, confirm the applicable license classification covers the planned scope before scheduling.

Long Beach Heating & Air / Long Beach Duct Cleaning (Marathon HVAC)

HVAC Since 1957 Bryant Factory Dealer NATE Certified CSLB #168999
Website
longbeachair.com (redirects to marathonhvac.com)
Phone
(626) 884-5578 / (626) 565-5459
Service Area
Long Beach, Signal Hill, Seal Beach, Los Alamitos, Downey
CSLB License
#168999 (HVAC — one of the lowest license numbers in the area, indicating many decades of operation)
Services
Duct cleaning using Rotobrush with HEPA filtration; includes disinfectant spray and filter replacement; full HVAC service and installation
Equipment
Rotobrush physical brush system with HEPA filtration; service takes 2–2.5 hours
Notable
Bryant Factory Authorized Dealer; NATE-certified technicians; emphasizes no upselling; will not clean asbestos ductwork
Long Beach Heating & Air claims to be Long Beach's oldest HVAC company (since 1957). The domain longbeachair.com now redirects to marathonhvac.com, suggesting a rebrand or acquisition. CSLB #168999 is one of the lowest-numbered licenses in the area — indicating a company that has been licensed for many decades. Bryant Factory Authorized Dealer status, NATE-certified technicians, and an explicit policy against upselling are strong legitimacy indicators. The 626 San Gabriel Valley area code and the redirect to Marathon HVAC may reflect changes in ownership or branding; confirm current service availability for your address before scheduling.

ℹ️ longbeachair.com redirects to marathonhvac.com — verify current service availability for Long Beach before scheduling. 626 area code reflects SGV base rather than local Long Beach 562 number.

MC Duct Cleaning & Chimney Sweep

Owner-Operated High Yelp Rating Duct + Chimney Combo
Platform
Yelp (primary review source)
Service Area
Long Beach and surrounding areas
Services
Air duct cleaning, chimney sweep — duct and chimney combination services
Owner
Jesse (mentioned by name in multiple customer reviews)
Owner-operated duct and chimney cleaning company with high Yelp ratings and multiple reviews mentioning owner Jesse by name — a strong authenticity indicator. The duct-plus-chimney combination service is useful for Long Beach homeowners with older homes that may have both forced-air and fireplace systems requiring cleaning. Not NADCA-certified; verify CSLB license before scheduling.

ℹ️ Verify CSLB license number and C-20 classification at cslb.ca.gov before scheduling. Limited web presence beyond Yelp; phone verification recommended.

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⚠️ FLAGGED — VERIFY BEFORE HIRING

".net / Sequential Phone" Spam Network — 7 Sites

SPAM NETWORK 7 Sites Sequential VoIP Phones No CSLB License
Sites in This Network
longbeachcaairductcleaning.com · signalhillcaairductcleaning.com · lakewoodcaairductcleaning.com · airductcleaningcarson.net · airductcleaningbellflower.net · airductcleaningcerritos.net · torrancecaairductcleaning.com
Phones
(424) 835-6322 · (562) 548-7273 · (562) 548-7307 · (424) 206-6436 · (562) 548-7305 · (562) 548-7344 · (310) 906-2594
Spam Signals Matched
7 of 9: identical templates; sequential VoIP numbers in 562-548-7xxx block; addresses without street numbers; "Licensed, Bonded & Insured" claims with zero CSLB numbers shown; footer cross-links to garage door spam in Pinole CA, Burlington MA, and Delray Beach FL; each site claims 49–77+ service cities; no named employees
A confirmed multi-industry, multi-state lead-generation operation running seven identical template websites targeting Long Beach-area ZIP codes. The 562-548-73xx phone sequence (7273, 7305, 7307, 7344) proves numbers were purchased from the same VoIP block. Footer cross-links connect to garage door repair spam in Massachusetts and Florida, conclusively identifying this as a nationwide multi-industry lead-generation network. Every site claims "Licensed, Bonded & Insured" while displaying zero CSLB license numbers — a direct violation of California contractor advertising law. Do not contact any site in this network.

".us Lead-Gen Referral" Network — 4 Sites

LEAD-GEN SPAM .us Domain Network No Physical Address No CSLB License
Sites in This Network
carsonairductcleaning.us · bellflowerairductcleaning.us · cerritosairductcleaning.us · sealbeachairductcleaning.us
Phones
(562) 352-4706 · (562) 352-4404 · (562) 358-6431 · (562) 416-2554
Spam Signals Matched
6 of 9: explicit lead-gen referral language ("our network of trusted local service pros"); no physical addresses; no CSLB numbers; .us domain pattern; no claim to perform work directly
Four websites explicitly admitting to operating as lead-generation referral services — they do not perform any duct cleaning themselves. All target Long Beach-area cities with .us domain names. No physical addresses, no CSLB license numbers, and no company identity behind any of the sites. Do not contact any site in this network.

SEO-Stuffed ".com" Spam Network — 4 Sites

SPAM NETWORK AI-Generated Content False Credential Claims No CSLB License
Sites in This Network
airductcleaningcarson.com · airductcleaningbellflower.com · cerritosairductcleaning.com · airductcleaningsealbeach.com
Phones
(424) 371-7020 · (562) 609-3344 · (310) 744-6595 · (562) 545-3032
Spam Signals Matched
5–6 of 9: extreme keyword stuffing; AI-generated content; claims of "A+ BBB rating" and "NADCA-trained techs" without verification links; many appear partially de-indexed; no CSLB numbers
Four keyword-stuffed domain sites with AI-generated content targeting Long Beach-area cities. Claims of "A+ BBB rating" and "NADCA-trained technicians" appear across these sites without any verifiable links to those credentials. Several sites appear partially defunct or de-indexed. No CSLB license numbers displayed despite California law requiring contractors to show license numbers in all advertising. Do not contact any site in this network.

ductcleaninglongbeach.com — "Fresh Air Duct Cleaning" (Birmingham Copy-Paste)

FLAGGED SPAM 8/9 Spam Score Birmingham Copy-Paste Error No CSLB License
Phone
(562) 548-8686
Spam Signals
8 of 9 spam signals matched — highest score found in this market: About page references "Birmingham" as service area (Birmingham, AL) proving copy-pasted template content; phone falls in same 562-548-xxxx VoIP block as Network 1; no physical address; no CSLB number; claims founded 1998 as "Easy Air Ducts" — inconsistent naming; multiple city sub-pages (Lakewood, Carson, San Pedro) with city-swapped templates
The highest spam score (8/9) of any site found in this market. The About page's reference to "Birmingham" as the company's area of operation — Birmingham, Alabama — is forensic proof that this website was built from a generic national template without any local knowledge. The 562-548-xxxx phone number places it in the same VoIP block as Network 1, suggesting shared infrastructure. Do not contact.

airduct-cleaning-longbeach.com + airductcleaning-lakewood.com (Same Operator)

FLAGGED SPAM "Long Beach County" Error No Street Number No CSLB License
Sites
airduct-cleaning-longbeach.com (562-565-6658) and airductcleaning-lakewood.com (562-565-6655)
Addresses
"E Pacific Coast Hwy, Long Beach, CA 90804" (no street number) and "Centralia St, Lakewood, CA 90715" (no street number)
Spam Signals
7 of 9 each: phone numbers differ by 3 digits (6658 vs 6655) confirming same operator; both reference "Long Beach County" (does not exist — Long Beach is in LA County); identical template, hours, and writing style; no CSLB numbers; "Bueno Park" typo (should be Buena Park) on Lakewood site; SEO-padding about "sparkling water" and "wonderful coast line"
Two sites operated by the same party — confirmed by phone numbers differing by only 3 digits and identical templates. Both sites repeatedly reference "Long Beach County," which does not exist (Long Beach is a city in Los Angeles County). This factual error is a hallmark of auto-generated content produced without local knowledge. Neither site displays a CSLB license number or a street address with a number. Do not contact either site.

air-duct-cleaning-long-beach.com — "Total Air Duct Cleaning"

FLAGGED SPAM "Long Beach County" Error Unverified NADCA Claim Returns 403 Error
Spam Signals
6 of 9: claims NADCA membership — not found in NADCA directory; references fictitious "Long Beach County" repeatedly; claims "only duct cleaning company in Long Beach & Long Beach County"; absurdly broad service area ("LA, Long Beach County, San Diego, Riverside, or any other part of California"); website returns 403 error on access; no verifiable CSLB number
Claims to be "the only duct cleaning company in Long Beach & Long Beach County" while simultaneously claiming statewide California coverage and NADCA membership that cannot be verified in the NADCA directory. The repeated "Long Beach County" error confirms auto-generated content. Website returns a 403 access error. Do not contact.

VJ Air Duct Service — vjairductservice.com (New Jersey Phone)

FLAGGED SPAM NJ Area Code (551) No Physical Address No CSLB License
Phone
(551) 296-1447 — New Jersey area code for a company claiming to be "locally operated in Long Beach, CA 90803"
Contact
Andrea@vjairductservice.com
Spam Signals
7 of 9: 551 is a New Jersey area code; claims local Long Beach operation with no verifiable address; no CSLB license; non-native English phrasing ("our experts be certain that the home air stays clean"); no named technicians; template-style website
Claims to be a locally operated Long Beach company while using a New Jersey (551) area code — a contradiction that exposes this as a remote lead-generation operation. No physical address, no CSLB license number, and awkward phrasing consistent with non-native English template content. Do not contact.

freshairductbellflower.com — Multiple Identity Fraud Signals

FLAGGED SPAM $99 Bait Price 3 Inconsistent Company Names No CSLB License
Spam Signals
7 of 9: advertises $99 air duct cleaning (NADCA states legitimate cleaning costs $450–$1,000); three different company names across domain, Yelp listing, and website content ("A & J AirDuct Cleaners," "Fresh Air Duct Cleaning Inc," and others); no CSLB license displayed; no NADCA membership; inconsistent naming is a major identity fraud indicator
Advertises $99 whole-house duct cleaning — NADCA's official position is that legitimate cleaning costs $450–$1,000, and the LA/Long Beach market carries a 15–25% premium above national averages. Three inconsistent company names across different platforms indicate either intentional identity obfuscation or template content that was never properly localized. No CSLB license number displayed. The $99 price is a textbook bait-and-switch entry point. Do not contact.