Knoxville Air Duct Cleaning: 16 Verified Companies with Pricing & Credentials

📋 16 verified companies ✅ 5 NADCA-certified 🕐 Updated April 2026

Five NADCA-certified air duct cleaning companies serve the Knoxville metro as of April 2026 — a thin certified roster for a metropolitan area of nearly 900,000 people spread across seven counties. The ratio of roughly one certified company per 180,000 residents is among the lowest for any mid-size Tennessee city. Tennessee's regulatory gap — the state requires no specific license for air duct cleaning — has drawn at least 12 confirmed spam or lead-generation operations into local search results, with six specifically targeting Farragut and West Knoxville's high-growth corridors. This directory covers all 16 verified companies — 5 NADCA-certified, 11 legitimate non-certified — plus a flagged section documenting the deceptive listings, with full verification data for each.

Two geographic dynamics make Knoxville uniquely vulnerable to duct cleaning fraud. First, rapid suburban growth in Farragut and Hardin Valley is drawing out-of-market operators who build SEO-optimized city pages targeting new homeowners unfamiliar with local providers. Second, the Pigeon Forge and Gatlinburg tourism corridor in Sevier County has zero locally based NADCA members despite heavy commercial demand from vacation rentals, hotels, and resort properties — creating a certified-services vacuum that New Jersey and California-based lead-gen operators specifically exploit. Homeowners in both growth corridors and the tourism corridor should be especially skeptical of companies that appear only in paid search ads and offer no verifiable local address.

Legitimate whole-house duct cleaning in the Knoxville market runs $299–$700 based on Homeyou data from 260 completed projects (average $311–$334) and NADCA's national benchmark of $450–$1,000. Any company advertising whole-house cleaning under $200 — and especially any offer in the $49–$99 range common in Knoxville Google Ads — should be treated as a near-certain bait-and-switch entry point. A documented Knoxville case tracked by HVAC.com shows a homeowner paying $800 after a $49 Google Ad lure, with ducts never actually cleaned by a Texas-based company operating fake local phone numbers and fabricated Google reviews. Use the NADCA directory at nadca.com/find-a-professional to confirm current certification status before scheduling any provider.

📊 Knoxville Air Duct Cleaning — Quick Reference
Verified Companies
16 total (5 NADCA-certified, 11 non-certified)
NADCA-Certified
5 (Stanley Steemer, SERVPRO Rocky Hill/Sequoyah Hills, Brite Construction, Pioneer Heating & Cooling, DUCTZ/T.I.A.Q.)
Legitimate Price Range
$299–$700 (whole-house residential; NADCA national avg $450–$1,000)
Homeyou Average (260 projects)
$311–$334 (Knoxville metro actual completed jobs)
🚩 Bait-and-Switch Red Flag
Any offer under $200 — especially $49–$99 Google Ad specials
How to Verify
NADCA directory (nadca.com/find-a-professional) → BBB → verify.tn.gov for TN contractor licenses
TN License Note
Tennessee requires no specific air duct cleaning license — HVAC contractor licenses (CMC/CMC-C) only required for jobs over $25,000
Spam Listings Found
12 confirmed spam/deceptive operations (as of April 2026)
Sevier County Coverage
Zero NADCA members physically based in Sevier County (Pigeon Forge/Gatlinburg corridor)
Last Verified
April 2026 (quarterly updates)

Knoxville TN Air Duct Cleaning Companies — Verified April 2026

Stanley Steemer of Knoxville

NADCA CERTIFIED Verify on NADCA → 8 yrs NADCA BBB A+ Accredited 7 ASCS Certified Commercial
Address
PO Box 5436, Knoxville, TN 37928 (19-van fleet, 28 technicians)
Phone
(865) 675-9988
Website
stanleysteemer.com/locations/TN/Knoxville/951
NADCA Since
May 2018 (8 years — longest active tenure in the Knoxville market)
Job Types
Commercial and Residential
Certified Personnel
7 ASCS holders: Zebulon Boor (ASCS, CVI), Chad Hurst (ASCS), Charles Bates (ASCS), John Halcomb (ASCS), Christian Archer (ASCS), Tristan Schonfarber (ASCS), Brandon Underwood (ASCS)
Fleet
19 vans, 28 technicians
BBB
A+ Accredited; Knoxville Chamber of Commerce member; serving Knoxville since 1979
Other Credentials
TN Dept. of Agriculture Pesticide License C-14; IICRC certified
Service Area
Knox, Blount, Loudon, Anderson counties; Sevierville/Gatlinburg corridor
Services
Air duct cleaning, carpet cleaning, dryer vent cleaning, duct sealing, fire/flood restoration, IAQ services, mold remediation, upholstery cleaning
The dominant NADCA-certified presence in the Knoxville market by nearly every measure: the largest certified workforce (7 ASCS holders including one CVI — Zebulon Boor — the only Certified Ventilation Inspector confirmed active in Knox County), the largest fleet (19 vans, 28 technicians), and the longest active NADCA tenure in the market (since May 2018). The 19-van local fleet is a meaningful differentiator — it enables coverage of the full seven-county service area without the multi-day scheduling delays common at smaller operations. Zebulon Boor's dual ASCS+CVI credential is significant: a CVI (Certified Ventilation Inspector) can perform ventilation assessments that go beyond standard duct cleaning, which matters for commercial customers and for Sevier County vacation rental operators trying to maintain air quality compliance. Stanley Steemer has served Knoxville since 1979 and holds a TN Dept. of Agriculture Pesticide License (C-14), enabling mold remediation work that requires pesticide application. BBB A+ accredited; Knoxville Chamber of Commerce member. For consumers who want the largest certified local workforce with the most credentialed individual technicians, Stanley Steemer is the clear first call.

ℹ️ The NADCA membership belongs to the local Knoxville franchise operation, not to the national Stanley Steemer corporation. Duct cleaning is one of several services offered alongside carpet, tile, and restoration work — verify that the technician dispatched holds ASCS certification. The PO Box is the mailing address; the operational fleet is Knox County-based.

SERVPRO of Rocky Hill / Sequoyah Hills / South Knoxville (Franchise #9669)

NADCA CERTIFIED Verify on NADCA → 9 yrs NADCA BBB A+ 4.9 ★ ~680 reviews Commercial
Address
2444 Sutherland Ave, Knoxville, TN 37919 (Fort Sanders/Bearden corridor)
Phone
(865) 862-8907
Website
servpro.com/locations/tn/servpro-of-rocky-hill-sequoyah-hills-south-knoxville
NADCA Since
June 2017 (longest-active current Knoxville NADCA member by start date)
Job Types
Commercial and Residential
Certified Personnel
Bryan Green — ASCS
Owners
John A. & Kristina L. Greenway
Google Rating
4.9 ★ (~680 reviews — highest consumer rating in the Knoxville NADCA-certified set)
Neighborhood Coverage
Rocky Hill, Sequoyah Hills, South Knoxville, Bearden, Fort Sanders, Lyons View, UT campus area, Holston Hills, Downtown
Also Operates
SERVPRO of Loudon & Roane Counties (5139 Highway 321 N, Lenoir City)
Services
Air duct cleaning, dryer vent cleaning, duct sealing, fire/flood restoration, mold remediation, biohazard cleanup, water damage restoration
SERVPRO Franchise #9669 holds the longest NADCA start date of any currently active Knoxville member (June 2017) and the highest consumer rating of any NADCA-certified company in the market — 4.9 stars across approximately 680 Google reviews. That volume of highly-rated reviews is exceptional for a franchise covering this geographic footprint. Bryan Green holds the ASCS certification. Owners John and Kristina Greenway also operate the SERVPRO of Loudon & Roane Counties franchise, giving them NADCA-backed coverage that extends from the Fort Sanders/UT campus neighborhoods west through Bearden and south through Lenoir City — a combined territory that is difficult for any single competitor to match. The primary business is fire, flood, and storm restoration, making this SERVPRO franchise the strongest NADCA-certified choice for post-disaster duct cleaning scenarios. Physical street address confirmed in the Fort Sanders commercial corridor.

ℹ️ Primary business is restoration — air duct cleaning is one part of a broader restoration services offering. For routine residential cleaning without a restoration context, DUCTZ or Stanley Steemer may provide more specialized attention. For post-fire, post-flood, or post-storm duct cleaning, this is the strongest certified option covering the inner Knoxville neighborhoods.

Brite Construction & Restoration

NADCA CERTIFIED Verify on NADCA → 3 yrs NADCA IICRC Certified RIA Member Commercial
Address
127 Perimeter Park Rd, Ste F, Knoxville, TN 37922 (West Knoxville/Farragut corridor); also 10607 Rather Road, Knoxville, TN 37931
Phone
(423) 201-6000 (NADCA listing) | (865) 282-1368 (website)
Website
briteconstructiontn.com
NADCA Since
June 2023
Job Types
Commercial and Residential
Certified Personnel
Rachael Leviner — ASCS
Other Credentials
RIA (Restoration Industry Association); IICRC certified; Knoxville Chamber of Commerce member; HBA of Greater Knoxville member
Experience
30+ years in construction and restoration
Services
Air duct cleaning, carpet cleaning, dryer vent cleaning, duct sealing, fire/flood restoration, mold remediation, water restoration, remodeling, roofing, new construction
A 30-year-old construction and restoration company based in West Knoxville's Perimeter Park commercial corridor — the geographic heart of Farragut's high-growth zone that attracts the most spam targeting in this market. Rachael Leviner holds ASCS certification (NADCA member since June 2023). Brite's dual identity as both a certified duct cleaner and a licensed general contractor makes it particularly well-suited for post-restoration duct work — situations where duct cleaning follows fire, water, or mold damage and requires coordinated repair and reconstruction work that a pure duct cleaning company cannot deliver. IICRC certified, RIA member, HBA of Greater Knoxville member. The West Knoxville address provides the most accessible NADCA-certified presence for Farragut and Hardin Valley residents who are most heavily targeted by the out-of-market spam operators documented in this directory.

ℹ️ Primarily a construction and restoration company; air duct cleaning is one service within a broader portfolio. NADCA member since June 2023 — relatively recent compared to Stanley Steemer and SERVPRO. Two phone numbers listed in different sources; confirm before scheduling.

Pioneer Heating, Cooling & Plumbing, LLC

NADCA CERTIFIED Verify on NADCA → 3 yrs NADCA TN Class A Mechanical 45 yrs family business
Address
4604 Mill Branch Ln, Knoxville, TN 37938 (Halls/Powell area, northern Knox County)
Phone
(865) 922-2817 (primary) | (865) 351-1125 | (865) 935-9568
Website
pioneercomfort.com
NADCA Since
July 2023
Job Types
Residential and Commercial
Credentials
TN State Class A Mechanical, Electrical, and Gas Licenses; City of Knoxville trade licenses
Service Area
Knoxville, Nashville, Chattanooga (regional operation)
Established
Family-owned since 1981 (45+ years); recently merged with Apex Partner Group
A family-owned HVAC and plumbing company based in the Halls/Powell corridor of northern Knox County since 1981, with NADCA membership since July 2023. Pioneer holds Tennessee State Class A licenses in Mechanical, Electrical, and Gas work — a credential stack that is genuinely uncommon among the duct cleaning operators in this market. The Halls/Powell address provides the most accessible NADCA-certified option for residents in northern Knox County and Anderson County communities such as Powell and Norris. The company has expanded regionally (Nashville and Chattanooga locations also listed) and recently merged with Apex Partner Group. Pioneer's multi-trade licensing means it can address HVAC system issues discovered during duct cleaning without requiring a second contractor.

⚠️ Pioneer holds a BBB rating but has received a D- grade due to failure to respond to 5 complaints — consumers should check current BBB status at bbb.org before scheduling. The recent merger with Apex Partner Group may affect local service quality and staffing; verify that the technician dispatched to your home holds NADCA certification. Three phone numbers listed; confirm the primary scheduling line before booking.

DUCTZ Indoor Air Professionals / T.I.A.Q., Inc. (Knoxville-Maryville-Athens Franchise)

NADCA CERTIFIED Verify on NADCA → 28 yrs NADCA BBB Member ASCS + CVI + VSMR Commercial
HQ Address
6921 Middle Valley Rd, Ste 111, Hixson, TN 37343 (Chattanooga operational base)
Knoxville Franchise Address
P.O. Box 2020, Alcoa, TN 37701
Phone
(865) 234-4609 (Knoxville/Maryville franchise) | (423) 876-9907 (HQ)
Website
ductz.com/knoxville-maryville-and-athens-tn/
NADCA Since
January 1998 (longest-standing NADCA member in Tennessee)
Certified Personnel
Marc A. Thompson — ASCS, CVI, VSMR (highest credential stack in the Knoxville market)
Job Types
Commercial and Residential (including healthcare facilities)
Other Credentials
TN Microbial Pest Control License Charter #4377; BBB member; IICRC certified
Service Area
Knoxville, Maryville, Alcoa, Athens, surrounding Blount County; also serves Chattanooga and NW Georgia from HQ
Operators
Dick Thompson (founder) and Marc Thompson (son) — operating since 1997
Services
Residential & commercial duct cleaning, HVAC restoration, dryer vent cleaning/repair, ductwork repair/sealing/insulation, mold remediation in HVAC (VSMR), condenser coil cleaning (COILZ), healthcare facility IAQ
The most credentialed NADCA member in the Knoxville market, and the longest-standing NADCA member in all of Tennessee (since January 1998). Marc Thompson holds three NADCA certifications — ASCS (Air Systems Cleaning Specialist), CVI (Certified Ventilation Inspector), and VSMR (Ventilation System Mold Remediator) — the most complete certification stack of any operator in the seven-county Knoxville metro. The VSMR credential in particular is rare nationally and critical for Blount County and Sevier County vacation rental operators dealing with the humidity-driven mold problems endemic to Tennessee's mountain foothills. The Knoxville-Maryville-Athens franchise operates under the parent T.I.A.Q., Inc.'s NADCA membership from the Chattanooga HQ, with a dedicated PO Box in Alcoa and a Blount County-specific phone number. Dick and Marc Thompson have operated this father-son business since 1997, giving them 28+ years of continuous East Tennessee duct cleaning experience. They also hold TN Microbial Pest Control License Charter #4377, enabling pesticide-based mold treatment that most competitors cannot legally perform. For Blount County, Alcoa, Maryville, and the Athens/McMinn County communities south of Knoxville, DUCTZ is the only NADCA-certified option with a local service presence.

ℹ️ The Knoxville franchise operates under the parent T.I.A.Q., Inc. NADCA membership based in Hixson (Chattanooga area). Service area is strong in Blount County and south Knox County; for North Knox/Powell/Halls area, Stanley Steemer or Pioneer have more direct coverage. Use the Knoxville franchise phone number (865-234-4609) rather than the Chattanooga HQ line when booking Knoxville area service.

Duct Doctor USA of Knoxville, LLC

Angi 5.0/5 TN License #1322793 22+ yrs in business Commercial
Address
6752 Bonneville Dr, Knoxville, TN 37931
Phone
(865) 938-7776
Website
ductdoctorknoxville.com
Contact
Melissa Edwards
License
#1322793
Established
2003 (22+ years)
Angi Rating
5.0/5
Service Areas
Knox, Anderson, Blount, Loudon, Union & Sevier Counties; Jefferson County
Equipment
Patented diesel-powered truck-mounted vacuum (up to 8,700 CFM)
Certifications
Franchise requires A.S.C.S.-certified technician on site for every job
Services
Air duct cleaning (residential & commercial), dryer vent cleaning
One of the strongest non-NADCA operators in the Knoxville market, with 22 years of continuous local operation, a publicly listed Tennessee license number (#1322793), and a franchise-level requirement that an ASCS-certified technician be on site for every job. That ASCS requirement is a meaningful differentiator — Duct Doctor USA's franchise standard functionally delivers NADCA-level technician qualification even without corporate NADCA membership. The diesel-powered truck-mounted vacuum system (up to 8,700 CFM) is industrial-grade equipment, not the portable machines used by lower-tier operators. Melissa Edwards operates the local franchise. The service area — Knox, Anderson, Blount, Loudon, Union, Sevier, and Jefferson counties — is the broadest footprint of any operator in this directory, covering the full seven-county metro plus Jefferson County. For consumers who want NADCA-standard technician qualifications but cannot get a scheduling slot with one of the five certified members, Duct Doctor USA is the clearest alternative.

The Mad Hatter Air Duct Cleaning & Chimney Sweep

BBB A+ 27 yrs in business Commercial
Address
7603B Blueberry Rd, Powell, TN 37849
Phone
(865) 947-0755 | (865) 381-0432
Website
themadhatterknoxville.com
BBB Rating
A+
Established
April 1999 (27+ years)
Operators
John Smith (Halls area), Mark Conley (Powell area)
Volume
1,200–1,500 jobs/year; services approximately 1,500 apartment units
Service Area
Knox, Blount, Loudon, Anderson, Campbell, Union, and Sevier counties
Services
Air duct cleaning (residential & commercial), chimney sweeping, dryer vent cleaning, masonry repairs
The Mad Hatter is the highest-volume legitimate duct cleaning operator in the Knoxville market — 1,200 to 1,500 jobs per year, servicing approximately 1,500 apartment units in addition to residential and commercial clients. At that volume over 27 years in business, the company has likely cleaned more Knoxville-area duct systems than any single competitor. BBB A+ rated. The Powell address is in the heart of northern Knox County, and the combination of John Smith (Halls) and Mark Conley (Powell) gives the company coverage of the city's northern residential corridor. The seven-county service area includes Sevier County — one of the very few operators with a confirmed legitimate local presence in the Pigeon Forge/Gatlinburg tourism corridor. For apartment complex operators, property managers, and commercial clients who need high-volume recurring service, The Mad Hatter's track record is unmatched in this market.

Firehouse Chimney & Duct Clean (aka Seymour Chimney)

43 yrs in business Angi 4.9/5 Family Founded
Address
914 Bobbie Jean Ln, Seymour, TN 37865 (also: 1422 Cunningham West, Seymour, TN)
Phone
(865) 755-1824
Website
seymourchimney.com
Operator
Kent Leitch (active City of Knoxville firefighter; son of founder Al Leitch, 30-year fire veteran)
Established
1983 (43+ years, family business)
Angi Rating
4.9/5
Pricing
Chimney sweep $110–$120; dryer vent cleaning $75–$100
Service Area
Knoxville metro, Seymour, Sevier County area
Services
Chimney sweeping, air duct cleaning, dryer vent cleaning
The most historically rooted legitimate duct and chimney cleaning operation in this directory — founded in 1983 by Al Leitch, a 30-year veteran firefighter, and now operated by his son Kent, an active City of Knoxville firefighter. With 43 years of continuous family operation, Firehouse has the longest business tenure of any non-certified operator in this market. The Seymour location provides genuine geographic coverage of Sevier County's northern residential communities, filling a partial gap in the certified provider absence from the Gatlinburg/Pigeon Forge corridor. Dryer vent cleaning is priced at $75–$100 — within the legitimate range for that narrower service. The firefighter operating pedigree (father and son, both Knoxville fire personnel) reflects a genuine safety-oriented approach to combustion-adjacent services like chimney and dryer vent cleaning.

Prime 58 Air Duct Cleaning

4.9 ★ Google Media Featured Commercial
Address
7328 Coatbridge Ln, Knoxville, TN 37924 (reported; verify before scheduling)
Phone
(865) 282-4571
Website
prime58ductcleaning.com
Founder
Marlon "Tank" Walls, MBA — former two-time captain, University of Tennessee Volunteers football (#58)
Google Rating
4.9 ★ (41 reviews)
Media Coverage
PRNewswire (April 2025), KnoxTNToday feature, Yahoo Finance
Services
Air duct cleaning, HVAC cleaning, dryer vent cleaning (residential & commercial)
Founded by Marlon "Tank" Walls, MBA — a former two-time captain of the University of Tennessee Volunteers football team who wore jersey #58 — Prime 58 is the most prominently profiled independent duct cleaning startup in the Knoxville market. Coverage in PRNewswire, KnoxTNToday, and Yahoo Finance in April 2025 confirms genuine local business activity and media legitimacy. The 4.9-star Google rating across 41 reviews is strong for a newer operator. The Knoxville market's high UT alumni and fan density makes the founder's identity a meaningful local trust signal. Not NADCA-certified, but a credible locally owned operation with verified media presence and real consumer reviews.

ℹ️ Relatively new business — verify current NADCA certification status, as the company may have pursued membership since initial research. The listed Coatbridge Ln address is reported but not confirmed on the company website; verify physical address and insurance before scheduling.

Air Specialties LLC

State Licensed Mold/Water Quality Business Award
Address
Mobile service model (no fixed retail address)
Website
knoxvilleairspecialties.com
Key Staff
Kevin (owner), Austin, Wes, Cliff (technicians — all named in reviews)
Credentials
State licensed for mold removal and water damage restoration; Quality Business Award — Best Air Duct Cleaning in Knoxville; uses EPA-approved Foster's 40/80 and IAQ8000 products
Specialty
Total system cleaning including trunk line opening — one of the only companies in TN offering this level of thoroughness
Service Area
Knoxville, Gatlinburg, Sevierville, Maryville, Oak Ridge, Lenoir City, Seymour
Services
Air duct cleaning (total system cleaning), mold remediation, odor removal, crawlspace mold remediation
A highly-regarded specialized duct cleaning operation with a documented practice of opening trunk lines for complete system cleaning — a technical approach that industry sources note is performed by only a small minority of operators. Most duct cleaning companies clean individual registers and branch runs without accessing the main trunk lines, leaving the highest-volume accumulation zones untouched. Air Specialties' documented use of EPA-approved Foster's 40/80 antimicrobial and IAQ8000 products reflects a professional chemical management standard uncommon among independent operators. The Quality Business Award for Best Air Duct Cleaning in Knoxville, state licensing for mold and water damage restoration, and named technician reviews (Kevin, Austin, Wes, Cliff) indicate a legitimate and capable operation. Service area extends into Sevierville and Gatlinburg — rare among credentialed non-NADCA operators.

ℹ️ Mobile service model with no fixed retail address listed — this is not unusual for a duct cleaning specialist but means address-based verification is not available. Verify current contact information and insurance before scheduling.

Pol's Heating and Cooling, LLC

BBB A+ Accredited TN HVAC Lic #1001670432 Thumbtack Top Pro
Address
10313 Cogdill Rd, Suite 7, Knoxville, TN 37932
Phone
(865) 217-0805
Website
polsheatingandcooling.com
BBB Rating
A+ Accredited since 07/24/2020
TN HVAC License
#1001670432
Business Started
January 2017
Key Staff
Nathan (lead tech, frequently praised in reviews), Kelly (office), Mark Reynolds (installations)
Certifications
Universal EPA certified; Thumbtack Top Pro; Nextdoor Neighborhood Favorite 2022 & 2023
Service Areas
Knoxville, Lenoir City, Oak Ridge, Tellico Village
Services
Full HVAC services, duct cleaning, duct repair, indoor air quality
A West Knoxville-based HVAC company with BBB A+ accreditation, a publicly posted Tennessee HVAC license number (#1001670432), and dual independent platform recognition (Thumbtack Top Pro, Nextdoor Neighborhood Favorite 2022 & 2023). The Nextdoor recognition is particularly meaningful for a duct cleaning provider — it reflects genuine neighbor-to-neighbor referrals in the Farragut, West Knoxville, and Tellico Village communities that the company serves. Named technician reviews (Nathan, Kelly, Mark) indicate real customer relationships. The Cogdill Rd address is in the same West Knox commercial corridor as Brite Construction, making Pol's a strong alternative for consumers seeking a credentialed non-NADCA option in the high-growth western suburbs.

Gent Heating & Cooling, LLC

Trane Dealer BrushBeast™ Equipment 30+ yrs experience
Address
1708 Crockett St, Knoxville, TN 37917
Phone
(865) 213-3818
Website
gentheatandcool.com
Owners
Shane Gent and wife Ralynne
Experience
30+ years
Equipment
BrushBeast™ by Rotobrush (90% increase in vacuum power over standard Rotobrush systems)
Credentials
Authorized Trane dealer, Mitsubishi Electric dealer
Services
HVAC installation/repair, duct cleaning, ductwork design/installation, indoor air quality systems
A locally owned full-service HVAC company based in central Knoxville with 30+ years of experience and an unusually strong equipment posture — the BrushBeast™ by Rotobrush is the top-tier model in the Rotobrush product line, with 90% greater vacuum power than standard Rotobrush machines. Authorized Trane and Mitsubishi Electric dealer status indicates a professionally structured HVAC business rather than a casual duct-cleaning-only operation. Husband-and-wife ownership (Shane and Ralynne Gent) reflects a small owner-operated business model with reputational accountability. The Crockett St address is in the Midtown/North Knoxville corridor, providing good coverage for the central city neighborhoods underserved by the West and North Knox-concentrated competition.

Hiller Plumbing, Heating, Cooling & Electric (Happy Hiller)

BBB A+ Accredited 24/7 Service Regional Multi-State
Phone
(615) 292-6110 (centralized call center)
Website
happyhiller.com
Nashville HQ
Nashville, TN (15 locations across TN, KY, AL)
Knoxville Technicians
Dustin, Trae, Anthony, Sam, Justin, Bryan (named in Knoxville-area reviews)
Experience
35+ years
Services
Air duct cleaning, dryer vent cleaning, duct sealing, duct installation/repair, HVAC, plumbing, electrical
A major multi-state home services brand with 15 locations and 35+ years of regional operation. The Knoxville operation has named local technicians (Dustin, Trae, Anthony, Sam, Justin, Bryan) in area-specific reviews — confirming genuine local staffing rather than a purely remote operation. BBB A+ accredited. 24/7 availability with no weekend surcharge is a meaningful differentiator for emergency situations. The Nashville headquarters and 615 area code on the phone number are standard operating practice for the multi-location model, not a red flag.

ℹ️ The listed phone number (615 area code) is the centralized Nashville call center — normal for a multi-location company. Confirm that the technician dispatched holds relevant credentials for duct cleaning work specifically.

HEP Inc. ("HEP is on the way!")

NADCA ACR Standard OSHA Compliant Commercial
Phone
(423) 819-7773
Website
hepinc.com (or hepservice.com)
Note on Area Code
423 area code (Chattanooga region); serves Knox, Sevier, and Blount counties
Knoxville Technicians
Jordan, Abbi, Zack, Caleb, Nathan, Justin, Patrick (named in area reviews)
Services
HVAC, duct cleaning, electrical, plumbing, roofing — full home services
Standards
Adheres to NADCA ACR cleaning standard; OSHA compliant; background-checked, drug-tested technicians
A full-service home services company explicitly adhering to NADCA's ACR (Assessment, Cleaning, and Restoration) standard for duct cleaning — a meaningful distinction for a non-NADCA-member company. The ACR standard is NADCA's published technical framework for what constitutes a properly cleaned duct system; adoption of this standard by a non-member indicates a professional approach above the baseline. Multiple named Knoxville-area technicians in reviews confirm local staffing. OSHA compliance and background/drug-test requirements are protective practices worth noting in a market where anonymous technician access is a common complaint. The 423 area code (Chattanooga base) is not unusual for a company with multi-city East Tennessee operations.

ℹ️ The 423 area code belongs to the Chattanooga/NE Tennessee region; this is the company's primary HQ code, not an indication it lacks Knoxville presence. The company claims to follow NADCA's ACR standard but is not a NADCA member — independent verification of their cleaning methods is advisable.

Rocky Top HVAC, LLC

NATE Certified Aeroseal Specialist
Location
Knoxville, TN
Phone
(865) 474-1511
Website
rockytophvac.com
Certifications
NATE certified technicians; background checked, drug tested
Specialty
Aeroseal duct sealing — claims to be the only Knoxville company offering this service
Services
Duct cleaning, Aeroseal duct sealing, full HVAC installation/repair/maintenance
A NATE-certified HVAC company with a notable Aeroseal duct sealing capability — per their claim, the only Knoxville company offering Aeroseal, a patented pressurized aerosol sealing technology that can seal leaks in inaccessible duct runs from the inside. Aeroseal is relevant for the Farragut and Hardin Valley new-construction homes where duct leakage is a significant energy efficiency issue. Background-checked and drug-tested technicians. Strong Farragut-specific content on the website reflects genuine local focus on the West Knox growth corridor.

Certified Clean Care

BBB A+ Family Owned
Phone
(865) 234-0499
Website
certifiedcleancareknoxville.com
BBB Rating
A+
Type
Family owned & operated; primarily carpet cleaning with air duct cleaning services
Reviews
Claims 150+ five-star reviews
Service Area
Farragut, Oak Ridge, Lenoir City, Knoxville and surrounding areas
Services
Air duct cleaning, carpet cleaning, upholstery cleaning, tile & grout
A BBB A+-rated family-owned cleaning company based in West Knox/Farragut with claimed 150+ five-star reviews. Air duct cleaning is a secondary service alongside the primary carpet and upholstery cleaning business. The combination of West Knoxville geography, family ownership, and BBB A+ standing makes it a credible option for consumers in the Farragut, Oak Ridge, and Lenoir City corridor who want a local alternative to the larger national franchise operators.

ℹ️ Primary business is carpet and upholstery cleaning — duct cleaning is an add-on service rather than a core specialty. Verify that the technician performing duct cleaning has dedicated training for HVAC system cleaning.

Show more listings
⚠️ FLAGGED — VERIFY BEFORE HIRING

"D&D Air Duct Cleaning" (ddairductcleaning.com)

SPAM / OUT-OF-STATE False NADCA Claim Wrong Geographic Content $99 Bait-and-Switch

🚩 California-based national lead-generation operation. The website header reads "California's #1 Air Duct Cleaning Service" on Tennessee city pages. Creates hyper-local SEO pages for Farragut, Jefferson City, and other TN communities with fabricated neighborhood-name stuffing, inconsistent customer count claims ("1,800+" in one city, "2,700+" in another), and geographic errors — the Jefferson City page contains Florida references ("hurricane debris contamination," "$2,800+/year cooling costs") that expose the city-swap template. Claims NADCA certification — not verifiable in NADCA directory. Toll-free numbers (833) 282-0183 / (888) 217-2219 only. 11 of 15 spam signals confirmed. Do not contact.

"Riggs Bee Air Duct" (riggsbeeairductnj.com)

SPAM / NJ-BASED False NADCA Claim Sevierville Targeting

🚩 New Jersey-based company creating 5,000-word AI-generated SEO pages targeting the Sevierville/Pigeon Forge/Gatlinburg corridor — the exact area with zero locally based NADCA members. The domain riggsbeeairductnj.com contains "nj" (New Jersey). Claims "1,000+ five-star customers in Sevierville" — an extraordinary claim for a company with no verifiable Tennessee presence. Claims NADCA certification — not found in NADCA directory. Toll-free (888) 216-9551 only; no Tennessee address or local phone number. The Sevier County tourism corridor's certified-services vacuum is specifically being exploited by this operation. 9 of 15 spam signals confirmed. Do not contact.

"Air Duct Cleaning & Repairs Farragut" / "Air Duct Cleaning & Repairs Oak Ridge" (airductcleaningfarragut.com / airductcleaningserviceoakridge.com)

SPAM / CITY-SWAP TEMPLATE False NADCA Claim Inconsistent Business Dates

🚩 Confirmed same-operator city-swap template spam. The Farragut and Oak Ridge sites contain word-for-word identical text with only the city name replaced. Inconsistent founding dates — "since 2015" on homepage, "since 2010" on the ventilation page — expose the lazily deployed template. The Farragut page claims hospitality duct cleaning experience despite Farragut having no hotels. No owner name, no business registration, no physical address. Claims "NADCA-trained HVAC Air Duct technicians" — misleading phrasing that implies NADCA membership without holding it; not found in NADCA directory. Oak Ridge phone (865) 432-1538 is likely a virtual/VoIP number. 9 of 15 spam signals confirmed. Do not contact.

"Clean Air Solutions" (Knoxville) — Documented Bait-and-Switch

BAIT-AND-SWITCH DOCUMENTED BBB Not Accredited Yelp 2.5 Stars

🚩 Documented bait-and-switch with paper-trail evidence. Advertises $99.95 special for 10 vents and 1 main line in local Mint magazine (ad lists no website, no business address — only a phone number). A Yelp reviewer documents: advertised price $99.95 → actual bill $438.45. Technician "forgot his invoice book" and wrote charges on a tiny notebook. Physical address on file with BBB: 5444 Hilton Industrial Way, Knoxville, TN 37921. BBB: Not accredited. Yelp: 2.5 stars. No verifiable website. Phone: (865) 243-4022. Do not contact.

"AirClear Solutions" (airclearsolutions.com)

SPAM / LEAD-GEN Same Number Nationwide No Local Presence

🚩 National multi-state lead-generation operation. Phone number (877) 704-5120 is toll-free and appears identically on city pages across multiple states (Farragut TN, Greenwood IN, Midlothian IL, Chicago Ridge IL). The Farragut page uses hyper-local neighborhood names (Concord Hills, Village Green, Kingston Pike) for SEO plausibility but no verifiable local presence exists. Identical template structure with only city name/landmarks swapped. No physical address, no named staff, no certifications. 9 of 15 spam signals confirmed. Do not contact.

"Custom Comfort Heating and AC" (customcomfortheatingandac.com)

SPAM / LEAD-GEN Toll-Free Only False NADCA & NATE Claims

🚩 National template lead-generation site. Claims "NADCA and NATE certifications" and "over two decades of experience" — identical phrasing appears on pages targeting dozens of U.S. cities. No physical address, no named technicians or owner, no verifiable local phone. Toll-free (833) 435-4423 only. Neither NADCA membership nor NATE certification is verifiable. 6 of 15 spam signals confirmed. Do not contact.

"Tennessee Air Duct Cleaning Pros" (jefferson-city-tn.hvaccontractorbaytowntx.com)

SPAM / TEXAS-BASED Domain Reveals Origin Toll-Free Only

🚩 Texas-based lead generation site. The full domain — jefferson-city-tn.hvaccontractorbaytowntx.com — contains "Baytown TX" in plain sight, revealing the operation's origin. Creates subdomain pages for Tennessee cities as part of a multi-state lead-gen network. Toll-free (877) 691-2240 only. No Tennessee address, no named staff, no verifiable credentials. Do not contact.

"5 Star Duct Cleaning Service"

HIGH RISK Two Conflicting Addresses BBB C Rating $249 Below-Market Price

⚠️ High-risk local operator with multiple red flags. Lists two conflicting addresses — "2001 State Wood Ct, Knoxville, TN 37920" on the website and "1610 Polte Ln #1, Knoxville, TN 37922-7240" on BBB and Facebook. Advertised price: $249 full-house (significantly below the Knoxville market floor of $299). BBB rating: C — not accredited, failed to respond to 1 complaint. Facebook lists a toll-free number (866) 942-3448 alongside the local website number (865) 270-0087. Only 3 years in business. Claims IICRC certification. 8 of 15 spam signals confirmed — borderline flagged; include as caveat pending additional consumer feedback.

"Smile Air Duct Cleaning" (smileairductcleaning.com)

SPAM / NATIONAL TEMPLATE All 50 States Coverage Grammar/Spelling Errors

🚩 National lead-gen template with a locations page showing a clickable map of all 50 U.S. states, each generating a separate city sub-page. Claims to be "locally owned and operated" while covering every state in the country. Physical presence only verified in Los Angeles (Yelp) and Sandy Springs, GA. Spelling and grammar errors on the site ("environmen," "performence"). Toll-free numbers only. 8 of 15 spam signals confirmed. Do not contact.

Unnamed Texas-Based Google Ads Operation — Documented Knoxville Victim Case

DOCUMENTED SCAM Fake BBB Seal Fake Google Reviews $800 Collected, No Cleaning

🚩 A fully documented scam case involving a Knoxville homeowner, tracked by HVAC.com. A Texas-based company ran a $49 Google Ad targeting Knoxville searches. The "local" phone number was fake — routed to an out-of-state call center. The website displayed a fake BBB seal with 20+ complaints actually on file. Google reviews on the profile were fabricated. After collecting $800 (upsold from the $49 entry price), the company went completely unreachable. Ducts were never actually cleaned — "blow-and-go" technique only. Technician arrived in an unmarked white van with no company identification. This case exemplifies why the $49–$99 Google Ad price range is the primary warning signal in this market. All 15 spam signals confirmed.