Buying a CPAP machine out-of-pocket doesn’t have to break the bank. Whether you’re managing a high deductible, need a reliable backup device, or simply want quality equipment at a lower cost, buying used or refurbished can be a practical solution.

Understanding Your Options

CPAP: Delivers one continuous fixed pressure throughout the night.

APAP (Auto-CPAP): Automatically adjusts pressure based on your breathing patterns. This is often the recommended starting point for many patients with obstructive sleep apnea.

BiPAP (Bilevel): Provides different pressures for inhalation and exhalation. Typically prescribed for patients who need higher pressures, have certain respiratory conditions, or struggle with standard CPAP therapy.

BiPAP ASV (Adaptive Servo-Ventilation): Advanced therapy – Traditionally for mixed or central sleep apnea patterns, but new evidence suggests it may be helpful in treating in treating sleep apnea with insomnia symptoms (Complex Insomnia)

How We Evaluated These Vendors

We selected these vendors based on factors that matter most to patients:

• Competitive pricing and financing availability
• Transparent refurbishment and sanitization processes
• Responsive customer support
• Clear warranty and return policies
• Strong inventory of ResMed devices, particularly APAP and BiPAP/ASV models

Top 5 Used CPAP Vendors

1. SecondWindCPAP — Best Overall Value and Selection

SecondWindCPAP specializes exclusively in used and refurbished PAP equipment, with particularly strong ResMed inventory.

Why patients choose them:

• Comprehensive selection of ResMed APAP, BiPAP, and ASV devices
• Six-month in-house warranty on many units
• Financing options available
• Founded and operated by a licensed respiratory therapist

Representative pricing:

• APAP: Refurbished ResMed AirSense 10 AutoSet around $539
• BiPAP: Refurbished ResMed AirCurve 10 VAuto around $719
• ASV: Refurbished ResMed AirCurve 10 ASV around $1,288

Note: Return policies for refurbished equipment are typically more restrictive than for masks and supplies. Review terms carefully before purchasing.

Best for: Patients seeking reliable equipment across all therapy levels, including bilevel and ASV options.

2. CPAP Liquidators — Strong Transparency and Value

CPAP Liquidators provides detailed product listings and competitive refurbished pricing across APAP, BiPAP, and ASV categories.

Why patients choose them:

• Clear product descriptions with warranty information
• Many units include new accessories (filters, tubing, water chambers)
• Straightforward about what’s included with each purchase

Representative pricing:

• APAP: Refurbished AirSense 10 AutoSet around $499
• BiPAP: Refurbished AirCurve 10 VAuto around $899
• ASV: Refurbished AirCurve 10 ASV around $1,499

Note: Returns are generally limited to unopened/unused items and may include restocking fees.

Best for: Patients who value transparency and competitive pricing, and who are confident in their equipment selection.

3. MajorCPAP — Flexible Financing and Broad Inventory

MajorCPAP offers flexible payment options alongside a wide equipment catalog, including refurbished ASV devices.

Why patients choose them:

• Multiple financing options for immediate access to therapy
• Extensive selection across all therapy types
• Customer support via chat, phone, and video

Representative pricing:

• APAP: AirSense 11 AutoSet (Certified Pre-Owned) from $579
• BiPAP: Refurbished AirCurve 10 VAuto bundle from $838
• ASV: Refurbished AirCurve 10 ASV from $1,099.99

Note: Return windows may be limited; confirm policy details before purchase.

Best for: Patients who need payment flexibility, particularly for higher-cost bilevel or ASV equipment.

4. Hart Medical Equipment — Budget-Friendly APAP Option

Hart Medical Equipment specializes in renewed ResMed APAP devices at significantly reduced prices.

Why patients choose them:

• Renewed ResMed AutoSet devices around $299
• Includes new water chamber and standard tubing
• Machines configured by trained respiratory professionals
• 90-day warranty

Note: Inventory focuses primarily on APAP devices. Patients requiring BiPAP or ASV equipment should consider other vendors.

Best for: Patients seeking an affordable, reliable ResMed APAP who already have their prescription.

5. Accessibility Medical — Lowest-Cost “As-Is” Option

Accessibility Medical offers “as-is” devices at the lowest price points, with financing available.

Why patients choose them:

• Significantly reduced pricing (AirSense 10 AutoSet as-is from $325–$349)
• Financing options available
• Sanitization and inspection performed per stated protocols

Note: Shorter warranty periods (typically 21 days) require prompt testing and verification of equipment function.

Best for: Budget-conscious patients who can assess equipment quickly and accept slightly higher risk.

Before You Purchase: Essential Checklist

Making the right purchase decision the first time saves both money and frustration.

• Have your prescription ready: Especially critical for BiPAP and ASV devices
• Confirm your machine type: Understand whether you need APAP, BiPAP, or ASV—don’t estimate
• Ask about usage hours: Lower run-time generally indicates less wear
• Plan for new consumables: Always use a new mask, filters, and consider new tubing and water chamber
• Review warranty and return policies: Understand your protections before checkout
• For ASV purchases: Work closely with your clinician—this therapy requires ongoing clinical management

Getting the Most from Your Therapy

The right equipment is only part of effective sleep apnea treatment. If you’re working with a sleep medicine practice, your care team can help you:

• Determine the appropriate therapy level (APAP vs. BiPAP vs. ASV)
• Verify your prescription matches your clinical needs
• Interpret device data (AHI, leak rates, pressure patterns)
• Address comfort issues that affect adherence

Successful therapy isn’t just about acquiring a device—it’s about sustained improvement in your sleep quality and overall health.