Inogen is great especially for travelers Customer Service/Sales was great to work with. I began using my Inogen in the USA and my night O2 levels improved. I was pleased with the machine's portability on my trip to Australia and my ability to use it while in a foreign country.

I called for customer service and had… I called for customer service and had long wait times to be told someone would have to call back and they did not - this was on two occasions. The blue tooth on the device, I was told by an IT person-because I could not reach the Inogen people, is non-functioning.

G5 heavier than advertised G5 heavier than advertised. Given no instructions on connecting tubing for use throughout house for larger concentrator

I tried to get my PCP to order… I tried to get my PCP to order supplemental o2 for 2 years. Finally I got him to sign the paperwork so I could purchase it out of pocket. It's a good thing-we are traveling to visit family in Colorado and the altitude here is 6600 feet. I am using my Inogen continuously, otherwise my spo2 would be in the 80s all the time. I have no shortness of breath with my o2 on and my spo2 stays in the 90s. What would have happened to me on this trip if I did not have supplemental oxygen? The moral of this story, trust your women's intuition when you think you need something! THANKS INOGEN!!!

Staff was very knowledgeable and… Staff was very knowledgeable and answered all my questions and concerns.