Bischoff, G.
It would have been great but i had to…not covered under warrantee
It would have been great but i had to purchase a re conditioned unit instead of getting a free replacement under warrantee. My unit was only 6 months old.

Oxygen Concentrator Store from American Medical Sales and Rentals has been providing oxygen therapy experience since 2001 and we offer the highest quality brands of portable oxygen concentrators, home oxygen concentrators and solutions for sleep therapy. Our Respiratory Specialists are fully trained on every product we carry and are here to answer any questions you have.View Top Categories:Portable Oxygen ConcentratorsHome Oxygen ConcentratorsUsed Oxygen Concentrators
Oxygen Concentrator Store (oxygenconcentratorstore.com) has 10,527 customer reviews on Five Star Index, with an average rating of 4.8 out of 5.
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Bischoff, G.
It would have been great but i had to purchase a re conditioned unit instead of getting a free replacement under warrantee. My unit was only 6 months old.
Douglas H.
It’s a good pack Battery life goes down fast on three
Davanzo, J.
we were given the means to send the machine back to the company for repairs. We did that, but believe it was not overly used to need a repair.We sent it back and hope we receive it back ok
Response from Oxygen Concentrator StoreOct 12, 2026
Thank you for the feedback, Judy. We understand the concern about needing a repair so soon. We can confirm that we have received your machine and are actively working to get it back to you as soon as possible. In the meantime, if you'd like to check on the status of your repair or address your concerns directly, please give us a call at 877-303-9289. Always feel free to reach out - we're here to help however we can.
Anne M.
The gentleman we worked with always answered his phone whenever we called for assistance. He was great on answering all our questions we had.
Response from Oxygen Concentrator StoreSep 25, 2026
Thank you for your kind words, Anne. We are glad our representative was always available and able to answer all of your questions. We would love to know what we could have done to make your experience a 5-star one. Your feedback would help us improve. If you ever need anything else, feel free to reach out, we are here to help!
Shoemaker, G.
I was directed to the service center that repairs the machines you sell, I was out of warranty. I hoped for a quick turn around like I had last time but mow I'm advised to expect 4-6 weeks for the repair.
Response from Oxygen Concentrator StoreSep 25, 2026
Thank you for your review. We understand your frustration regarding the estimated 4–6-week turnaround time for repairs, especially since you had a much quicker experience with your previous repair. Because the equipment is now outside of its warranty period, the unit must be sent to our authorized out-of-warranty repair facility for evaluation, repair, testing, and recertification. This facility is specifically equipped to service and recertify the machines we sell, ensuring that the equipment is returned in proper working condition and meets the necessary performance and safety requirements. We understand that being without your equipment for 4–6 weeks is not ideal. While we cannot guarantee a shorter timeframe, we will make every effort to facilitate the process as quickly as possible once the equipment is received by the repair center. We sincerely apologize for the inconvenience and appreciate your patience and understanding. We will be happy to assist with any questions regarding the repair process or provide updates as they become available. If you have any questions, please call us at 877-303-9289.
T. R.
The purchase was flawless, no complaints there. I got mine on Sept. 4th, now they are $750 off until the end of the month. Bad timing I guess.
Response from Oxygen Concentrator StoreSep 24, 2026
Thank you for the review. We are glad the purchase went smoothly, and we understand the frustration of seeing a promotion come along after you bought. Although we were able to offer a discounted price, unfortunately, your purchase was 2 weeks before the national price drop by Inogen so our team was unaware at the time. We are glad to hear the rest of your experience was satisfactory. Please feel free to reach out if you need anything as we're always happy to help!
Mike
It was easy to get filters for my machine
Response from Oxygen Concentrator StoreSep 18, 2026
Thanks for the review, Mike. We are glad getting filters for your machine was quick and easy. If you ever need anything else, feel free to reach out, we're here to help!
Doolittle, D.
Very helpful helping me to get my concentrater. Fixed
Response from Oxygen Concentrator StoreSep 18, 2026
Thank you for the review, David. We are glad we could help get your concentrator fixed and working again. If you ever need anything else, feel free to reach out, we're here to help!