March 21, 2026
The global positive airway pressure (PAP) devices market, which encompasses continuous positive airway pressure (CPAP), bilevel positive airway pressure (BiPAP), and automatic positive airway pressure (APAP) machines, was valued at approximately $2.48 billion in 2024 and is projected to reach $4.04 billion by 2033, growing at a compound annual growth rate (CAGR) of 5.6%, according to Grand View Research. In the United States (U.S.), North America accounted for roughly 46.8% of global PAP device revenue in 2024, driven by high rates of obstructive sleep apnea (OSA) diagnosis and broad insurance coverage. PAP machines prescribed by a licensed physician for home use are exempt from Tennessee sales tax as durable medical equipment under TCA § 67-6-314(2), which exempts durable medical equipment for home use sold pursuant to a prescription for human use. PAP machines purchased without a prescription or for non-home use are subject to the state’s 7% sales tax plus applicable local option taxes. Suppliers operating in Tennessee must register through the Tennessee Taxpayer Access Point (TNTAP) at tntap.tn.gov and pay a $15 registration fee to the county or city clerk.
These macro-level patterns inform the state of play in Tennessee’s local market. Tennessee’s high obesity rate places its population at elevated risk for sleep-disordered breathing. According to the Centers for Disease Control and Prevention (CDC) Behavioral Risk Factor Surveillance System (BRFSS), Tennessee is consistently ranked among the states with adult obesity rates at or above 35%, a threshold that significantly compounds the risk of OSA, given the well-established bidirectional relationship between excess body weight and sleep-disordered breathing. Nationally, an estimated 80.6 million adults are living with OSA as of 2024, and Tennessee’s demographic profile, including a high rate of hypertension and metabolic disease, suggests its share of that burden is substantial. Major academic sleep programs, including the Vanderbilt Sleep Disorders Center at 2555 West End Avenue, Nashville, and the UT Medical Center’s sleep medicine services in Knoxville, provide diagnostic polysomnography (an overnight sleep study that records brain waves, oxygen levels, heart rate, and breathing) and PAP titration studies that drive downstream demand for DME (durable medical equipment)-supplied PAP equipment throughout the state.
Federal requirements add nationally consistent structure to the Tennessee market environment. The Food and Drug Administration (FDA) regulates CPAP, BiPAP, and APAP devices as Class II medical devices under 21 Code of Federal Regulations (CFR) Part 868 (Anesthesiology Devices), specifically classifying the positive airway pressure delivery system under 21 CFR § 868.5273 following a 2018 reclassification from Class III. Manufacturers must submit a 510(k) premarket notification demonstrating substantial equivalence to a predicate device and must meet special controls requirements including biocompatibility testing and waveform performance validation. Suppliers billing Medicare for PAP therapy must hold active Durable Medical Equipment, Prosthetics, Orthotics, and Supplies (DMEPOS) accreditation per 42 CFR § 424.57 and must comply with Local Coverage Determination (LCD) L33718, which requires a physician-ordered sleep test, an apnea-hypopnea index (AHI) of 15 or greater events per hour (or AHI of 5–14 with documented comorbid symptoms), a face-to-face clinical evaluation, and documented compliance with therapy between the 31st and 91st day of use before continued coverage is authorized. According to the 2024 Medicare Fee-for-Service Supplemental Improper Payment Data, the improper payment rate for CPAP device claims was 12.5%, with a projected annual improper payment amount of $146.1 million.
Understanding these regulatory standards creates a foundation for the purchasing advice ahead. For pap machines in Tennessee, when choosing a PAP machine, it is helpful to understand the clinical differences among device types: a standard CPAP delivers a fixed pressure throughout the breathing cycle and is appropriate for most OSA patients, while a BiPAP provides separate inspiratory and expiratory pressure settings and is often prescribed for patients with complex respiratory conditions or CPAP intolerance. An APAP adjusts pressure automatically in real time and may suit patients whose pressure requirements vary across sleep stages or body positions. Mask selection, full face, nasal, or nasal pillow, significantly affects therapy adherence and is best fitted by a respiratory therapist or trained DME specialist. Integrated heated humidifiers reduce dryness and nasal irritation, improving long-term compliance. Medicare and TennCare require that PAP equipment be obtained from an accredited DMEPOS supplier and that compliance data (typically four or more hours of use per night on at least 70% of nights) be documented for continued coverage beyond the initial 90 days. Tennessee consumers are protected under Tennessee Code Annotated (TCA) § 47-18-104, which prohibits unfair or deceptive trade practices, including misrepresenting a device’s capabilities, covered status, or medical necessity, and provides a private right of action for treble damages in cases of willful violations. A sleep physician’s recommendation of the appropriate PAP device type, whether CPAP, BiPAP, or APAP, depends on individual sleep study results, and a mask fitting appointment with a respiratory therapist at the DME supplier ensures proper seal and comfort before the device enters nightly use.
Top PAP Machines Providers in Tennessee
Advanced Medical Solutions (AMS) — Nashville
- Address: 3736 Annex Ave, Suite 103, Nashville, TN 37209
- Phone: (615) 656-8478
- Website: https://www.amsmedicalequipment.com
- Description: Advanced Medical Solutions is a family-owned DME provider accredited by the Accreditation Commission for Health Care (ACHC) and a member of the Tennessee Association for Home Care. Their Nashville location carries CPAP, BiPAP, APAP machines, masks, nasal pillow systems, tubing, humidifiers, and related supplies, with respiratory therapists available to assist with equipment selection and mask fitting. AMS participates with Medicare, TennCare, and most major private insurers, and offers 24-hour emergency on-call service after regular business hours.
Sleep Centers of Middle Tennessee
- Address: 1508 Carl Adams Drive, Suite 200, Murfreesboro, TN 37129
- Phone: (615) 893-4896
- Website: https://sleepcenterinfo.com
- Description: Sleep Centers of Middle Tennessee is an American Academy of Sleep Medicine (AASM)-accredited organization with locations in Murfreesboro, Franklin, and Clarksville. Their CPAP clinic provides PAP equipment, masks, travel devices, and CPAP cleaning products directly to patients diagnosed through their affiliated sleep laboratories. The integrated model, in which sleep testing, physician follow-up, and equipment supply occur within the same organization, simplifies the compliance documentation required by Medicare LCD L33718.
Above & Beyond Medical — Knoxville
- Address: 413 S Northshore Drive, Suite B, Knoxville, TN 37919
- Phone: (865) 415-2740
- Website: https://www.abovebeyondmedical.com
- Description: Above & Beyond Medical is a Tennessee-based DME provider with locations in Knoxville, Oak Ridge, Chattanooga, and Kingsport, staffing full-time respiratory therapists who work one-on-one with patients to select and fit PAP equipment from leading manufacturers. The company serves patients throughout East Tennessee and takes a clinical approach to therapy management, assisting with insurance pre-authorization, ongoing resupply, and compliance reporting required for continued Medicare and TennCare coverage. They supply CPAP, BiPAP, and APAP machines along with all associated accessories.
Home Medical Products (HMP) — Franklin
- Address: 3325 Aspen Grove Drive, Suite 104, Franklin, TN 37067
- Phone: (615) 905-8808
- Website: https://hmpinc.net
- Description: Home Medical Products operates eight locations across Tennessee, including Franklin, Murfreesboro, Memphis, and Clarksville, and supplies CPAP and BiPAP machines, masks, humidifiers, and replacement supplies to patients throughout the state. Their staff includes a respiratory therapist and RESNA-certified mobility specialists who coordinate with prescribing physicians and sleep centers on equipment orders and compliance documentation. HMP participates with Medicare, TennCare, and major commercial insurers.
Frequently Asked Questions
Does Tennessee charge sales tax on CPAP and PAP machines?
Tennessee imposes a 7% state sales tax on most retail sales of tangible personal property. PAP machines, including CPAP, BiPAP, and APAP devices, are exempt from Tennessee sales tax as durable medical equipment for home use under Tennessee Code Annotated (TCA) § 67-6-314(2), provided the device is sold pursuant to a prescription from a licensed physician. Buyers should retain a copy of the prescription and ask the supplier to document the exemption at the point of sale. For authoritative guidance on Tennessee’s DME tax exemption rules, visit the Tennessee Department of Revenue at tntap.tn.gov.
What sleep test results does Medicare require before covering a PAP machine?
Medicare follows LCD L33718 for PAP therapy coverage. A beneficiary must undergo a physician-ordered sleep study, either a Type I in-lab polysomnogram or a Type II, III, or IV home sleep test, showing an AHI or respiratory disturbance index (RDI) of 15 or more events per hour, or an AHI/RDI between 5 and 14 with documented comorbidities such as excessive daytime sleepiness, hypertension, or cardiovascular disease. A face-to-face evaluation with the treating practitioner must occur before the sleep test, and the supplier must be a Centers for Medicare & Medicaid Services (CMS)-accredited DMEPOS provider. Beneficiaries with coverage questions may contact Medicare’s DME line at (800) 633-4227.
How are CPAP and PAP machines regulated by the FDA?
The FDA classifies PAP delivery systems as Class II medical devices under 21 CFR § 868.5273, following a 2018 reclassification from Class III. Manufacturers must obtain 510(k) clearance by demonstrating substantial equivalence to a predicate device and must comply with special controls including biocompatibility testing of all patient-contacting components and non-clinical waveform performance testing. These devices are available by prescription only. The full regulatory text is codified at 21 CFR § 868.5273.
What happens if I do not meet Medicare’s PAP compliance requirements?
Medicare will discontinue coverage of a PAP device if the treating practitioner’s reassessment, conducted between the 31st and 91st day after initiating therapy, does not document both clinical benefit and adequate compliance (typically four or more hours of nightly use on at least 70% of nights in the preceding 30 days). If coverage is discontinued due to non-compliance, the patient becomes responsible for the full ongoing rental cost. Patients struggling with mask fit or pressure tolerance should contact their DME supplier promptly, as adjustments may improve adherence before the compliance window closes. The American Academy of Sleep Medicine (AASM) offers patient education resources at aasm.org.
Can Tennessee residents buy a PAP machine without insurance?
Yes. CPAP, BiPAP, and APAP machines may be purchased out-of-pocket from any licensed DME supplier without going through insurance. Retail prices for a standard CPAP machine typically range from approximately $500 to $1,500 or more, depending on the model and features; BiPAP machines generally cost between $1,000 and $3,000. Buyers who self-pay are not bound by Medicare’s accreditation or compliance requirements, though a prescription is still required from a licensed physician to obtain a PAP device legally. Tennessee consumers should be aware that TCA § 47-18-104 prohibits suppliers from misrepresenting a device’s specifications, therapeutic effectiveness, or insurance coverage status. Contact the Tennessee Division of Consumer Affairs at (615) 741-4737.
What is the difference between CPAP, BiPAP, and APAP for a Tennessee patient choosing a device?
A CPAP machine delivers a single fixed pressure throughout the night and is the standard first-line treatment for most OSA patients. A BiPAP machine provides two pressure levels, higher during inhalation and lower during exhalation, making it better tolerated by patients with higher pressure requirements, respiratory muscle weakness, or obesity hypoventilation syndrome. An APAP machine automatically adjusts pressure breath-by-breath within a clinician-set range, which can reduce average pressure exposure and improve comfort for patients whose pressure needs fluctuate. The appropriate device type should be determined by a sleep physician based on the patient’s polysomnography results, medical history, and therapy response. Device coverage disputes with insurers may also implicate Tennessee consumer protection rights under TCA § 47-18-104.
What return and warranty protections should I expect when buying pap machines in Tennessee?
Tennessee does not mandate a return policy for PAP (positive airway pressure) therapy devices, and return eligibility can differ between DME suppliers and online sellers. Buyers should verify the seller’s return or exchange period, any hygiene-related return restrictions on used masks and tubing, and the manufacturer’s device warranty, which typically covers the unit for two years.