the sales guy was great but i bought… the sales guy was great but i bought too soon. hit the road so it was a month before i could try it. easy set up. but no one told me that the system has a 5-6 sec cadence of a repetitive 'pop'. Super annoying. sales support good. follow up good. gatekeeper answering service is an idiot who kept me from buying for almost a month.

I don't have to be weighted down with… I don't have to be weighted down with heavy tanks anymore and the battery operated package is great. I am concerned about getting in touch with someone in an emergency or need to know situation. It takes 25 minutes or more to reach someone. I am so far, a very satisfied customer.

Easy Usage I enjoy my G4 and the freedom it gives me. I’m 93 years old and find it easy to operate. The questions I have asked of customer support have all been always been answered and the representatives have been courteous. Thank You.

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.

I love the convenience on how portable… I love the convenience on how portable the unit is. The quietness of operation and the concentrator is great also. The only complaint I have is the cannula attachment kinking. I wish there was a spring that would support the tubing where it attaches. I’ve mentioned this to Inogen, but was told they have had numerous concerns. Robert Oliveri