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February 2024 by Seth Cohen
Sean is great at what he does. His customer service is stellar. I live up in the mountains and really need my concertador to sleep, so I can’t just drop it off and come pick it up the next day (or in a few days, since a trip to Denver requires a lot of time). He has been very accommodating with my need for urgency. And considering his capability, the cost is well worth it.
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June 2023 by Charles H. B.
Sean is the real deal .... my wife need a concentrator to boost the little pitiful concentratrator that Apria slips on people. After talking to all these slick people doing oxygen ... a person a my wife's pulmo told me. Hey. There's this dude in Lakewood he a perfectionist and a craftsmen rebuilds all his machines. I went Sean office. He had all kinds of oxygen concentrator used , cute little dog running around Right of the bat he was cool. No slick talk. Just how can help ? He sold me the best o2 concentrator for less than half of what it was selling for new He had gone through it. You can talk to and tell that he is a craftsmen. His stuff is going to be right I bought it Got home. Thought that I heard noise from it. Called he said yes That noise is valve turning over common with that machine. I immediately was cool because I know he told the truth. See when you're trying to put something over on a person. You don't call them right back. You wait and get your story straight. Then call. We found that oxygen was purer for my wife from Sean's machine than APRIA's. No sales pitch just a mellow dude that's trying to help people needing oxygen and making money doing it. He's got two cold blooded rides in his driveway perfect condition like his machines are I had to get a little windy. About Sean because there a few out here like that Craftsmen I mean If that didn't sway you. Serious business. Needing oxygen means someone that you love or yourself needs good quality professional to help keep folks alive. He is one. The machine I bought Has a reputation to have 3 times purer o2 than other machine and it puts out 20 psi Saturating the dickens out of that high flow cannula My wife perked after using for 3 hours
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August 2022 by Heather.
Very helpful! We were traveling from out of town and my husband had a medical event which required oxygen to travel home on the airplane. I had such a hard time finding a portable oxygen concentrator anywhere, but one of the companies highly recommended Shawn. I contacted him and he was able to get me one on the same day. Very friendly and helpful, would definitely recommend!
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June 2022 by Mark Miller
I bought an oxygen concentrator from Sean (for cash). It was a hassle initially trying to reach him. When I needed it serviced about a year ago I never could reach him. I’ve given up trying. It’s so stressful trying to bring him business. He’ lives about 10 miles away so I don’t want to just drive to his house and hope he’s home. Since he was recommended by my Sleep Doc, I assume he does good work, but if you can’t reach hime & he doesn’t return phone calls, he obviously has horrible Customer Relations. I can’t recommend him!!
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February 2022 by David F.
Sean was so easy to work with. No pressure, no sales pressure and gave me good advice. I called him about my old oxygen concentrator thinking it was beyond repair. He was knowledgeable and confident that he could get it fixed with ease. He took good care of me and fixed it within the range he had quoted. No muss no fuss. I got it home today and it's working like a charm.
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December 2021 by Edward Buckingham
INFORMATIVE AND HELPFUL. We saw this business in a Google search. We almost didn't go because of a negative review. GLAD WE WENT. Sean, owner, has been in the oxygen business for 20+ years. He showed us a range of equipment [we purchased a refurbished unit for $745] and said he is also available for repairs at a rate of $75 / hour.GOOD FIND - glad we checked this out
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October 2021 by Lynne H.
Several years ago I found Sean while looking to buy my own concentrator after spending a heck of a lot of money renting one from our insurance company. He is awesome. Very knowledgeable in the industry and very honest and friendly. He has great prices and working with him has been a pleasure. No high pressure sales pitches. When needing new parts for my machine he is my go to guy. He also rents out machines if yours needs to stay in the shop for a bit. This year after contracting Covid I ended up needing a portable concentrator and went to him where he explained all the options and recommended which one he thought would serve me best. I highly recommend him!!
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July 2021 by Richard Bastian
Sean has very poor work ethics, very poor customer service said he repaired our concentrator and did not didn't even open it up to see what the real problem was, charge me$200 that's my opinion and I'm sticking to it. Buyer be ware honesty NOT
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July 2021 by Vanessa S.
I have left multiple messages over a number of days and he never returned my calls. Very poor customer service!! He needs to hire a secretary or assistant.
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June 2021 by Curtis S.
I've bought oxygen concentrators here and had them serviced here. Sean is a great guy; knows his products and how to service them. And his prices and labor costs are extremely reasonable. I trust him for all my oxygen needs.
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June 2021 by Tammy H.
I originally text him on a Tuesday told him I was going to be in the neighborhood Saturday and was never told to call and make an appointment. I was never asked what time I would be there. When I got to the address I rang the doorbell then I text him and I called the number and no Response. When I emailed him on Monday he at first accuse me of texting the wrong number until I sent him a copy of my text messages to him. Now he's not even communicating with me. Bad bad bad customer service.
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December 2020 by Paul R. Miller
nightmare experience
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November 2019 by Robin Ayers
Sean is very knowledgeable and has expertly fixed 2 of my machines. His accessory prices are inflated but I get he needs to make some money too. I will continue to use him. My one wish is he would write estimate down and both have a copy. Last night when I called about my machine he told me $210.00 to pick it up. When I arrived it changed to $310.00. I didn't say anything because how can I prove it? He's great at what he does for sure.
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September 2019 by Elaine Greaney
SEAN GUILLEN of Rocky Mountain Oxygen is very UNRELIABLE. Never returned my phone calls had to work with him via email. I was coming in from Fl and needed an concentrator for 2 weeks. Starting Aug.28th. Thought I was all set until I went to pick it up. I had informed him that my son got out of work at 3pm so he would be able to pick up anytime after that and to please let me know what time he should be there. Sean's rerply was, and I quote "sounds good. Thank you."
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April 2019 by Judy Munn
Sean is great and very professional not to mention kind. I bought a used home oxygen concentrator from him and will be back to buy a portable concentrator from him. He is the best Thanks Sean
