3b medical luna II cpap machine top view

3B Medical Luna II Auto CPAP Machine Review

A smart CPAP machine means less adjustment and more convenience for users. The 3B Medical Luna II brings automated features that help every patient of CPAP therapy manage their nightly treatment with ease. The 3B Medical combines some of the latest in Bluetooth technology with engineering innovations that make CPAP effortless and effective for a variety of CPAP users.

Features and Benefits of 3B Medical Luna II Auto CPAP Machine

The 3B Medical Luna II features:

  • User-Friendly Color LCD Display: making it easier for patients to adjust settings
  • Built-In Dual-Chamber Heated Humidifier: for managing symptoms of CPAP like dry throat
  • 60-Minute Ramp Time: giving users more time to adjust from low to high pressure setting changes
  • Automatic Pressure Adjustments: Auto adjusting pressure settings mean that you will need fewer sleep studies and doctor visits because the machine measures your inhaling and exhaling pressure during sleep


Cleaning and maintaining this auto CPAP machine is easy.  Regular cleaning of the device and its accessories is very important for the prevention of respiratory infections. Here are simple instructions to help keep your device performing at its best:

  • Clean the exterior of the machine with a damp cloth
  • Clean tubing and mask separately with warm soap and water and let air dry
  • Replace your air filter as needed
  • Clean the water chamber with a soft cloth

Noise Level

Noisy CPAP machines are a common complaint with many CPAP patients, especially during exhalation when air pressure gets louder. Reducing noise during CPAP therapy helps both you and your bed partner sleep soundly and helps keep patients CPAP compliant. The noise level of the 3B is a quiet 36 decibels, which is quieter than a library.

Pressure Settings

Automatic pressure adjustments help with easy CPAP therapy compliance. Auto adjusting pressure settings mean that you will require fewer sleep studies to update your CPAP therapy needs because the machine measures your inhaling and exhaling pressure during sleep. The Luna II Auto-CPAP machine sets a new pressure that automatically saves time, money, and reduces the hassle.

Ease of Use

This device provides updated data on your sleep apnea therapy using a backlit LCD display located on the top of the CPAP machine. It allows navigation from a single dial menu access that provides all the information on the last CPAP therapy as well as statistics on your sleep.

Integrated Humidifier

The dual chamber heated humidifier is integrated to provide the best comfort levels for CPAP therapy and is easy to clean. No other equipment is required for a comfortable CPAP therapy.  One of the most common complaints of CPAP users is dried airways and dry mouth, and the integrated heated tubing and humidifier makes the CPAP therapy more effective.

3B Medical Luna II Auto CPAP Machine with Humidifier -LG2A00-Bundle-3

3B Medical Luna II Auto CPAP Machine Design 

The compact design makes this device ideal for travel. The small unit, weighing only 4 pounds, packs easily into a suitcase or overnight bag. It’s small footprint also means less bulk on your nightstand. The integrated humidifier helps eliminate external parts that have to be stored or packed separately. The carrying case included makes it easy to take your auto CPAP machine anywhere you need to go.

The Pros and Cons of the 3B Medical Luna II Auto

Pros of 3B Medical Luna II Auto

  • Auto-adjusting CPAP to fit your therapy needs
  • Integrated, dual-chamber heated humidifier
  • Extended ramp time of 60 minutes

Cons of 3B Medical Luna II Auto

  • Users complain of whirring sound during use
  • WIFI connection not the best
  • Finding correct ramp settings can be difficult for some users

Comparing the 3B Medical Luna II Auto CPAP Machine with Resvent iBreeze APAP Machine 

 3B Medical Luna II Auto CPAP MachineResvent iBreeze APAP Machine
Best FeaturesExtended ramp time
Integrated heated humidifier
Small footprint
Quiet performance
DisadvantagesRamp time settings difficult for some users
Poor WIFI connectivity
No apps for following your data
No wireless connectivity

3B Medical Luna II Auto CPAP Price

This machine is available for $849. It is also frequently on sale at The CPAP Shop. Shop this device here.

Warranty Options for 3B Medical Luna II Auto CPAP Machine

The Luna II comes with a 2-year warranty.

Is The 3B Medical Luna II Auto FAA-Approved?

The 3B Medical Luna II is FAA-approved. This means you can bring it on an airplane with you to use when you travel. However, we do recommend reaching out to airline just to confirm.

3B Medical Luna II Auto CPAP - In the Box

  • Luna II Auto-CPAP Machine
  • Tubing
  • Filter
  • Power Supply and Cable
  • User Manual

Customer Reviews for the 3B Medical Luna II Auto CPAP Machine

"Great Overall! Got this for a replacement while waiting on my Phillips machine to be replaced under recall. This machine is easy to use and once it's set up to the way you like it you can't beat it, especially for the price." - Review by David F

"Love my new machine, it did take some getting used to with the way this unit ramps up compared to my old unit. No complaints." - Review by David

"Reliable and easy to use. Probably one of the easiest to navigate menu's I've ever used on a CPAP. The ramp is very useful it helps me fall asleep easier and faster. I also love the mask alert feature. It helps me to remember when it might be time to replace my cushion or headgear." - Review by George

See all reviews

Where Can I Buy 3B Medical Luna II Auto CPAP Machine?

You can find this machine at most medical supply retailers. You can also shop conveniently online at The CPAP Shop. Our knowledgeable staff are ready to help you answer all your questions and help you select the best auto CPAP machine for your needs. Give us a call at 866-414-9700.

This post was originally posted on April 7, 2022 and updated December 14, 2023.

Chris Vasta

Chris Vasta is the president of The CPAP Shop and an expert in sleep and respiratory therapy. He often provides insights on product design and functionality on various manufacturers’ prototypes and is frequently tapped to provide reviews on new releases.