Customer Service FAQs

About Oxygen Concentrator Store
How do you contact us?
The best and easiest way to contact us is by phone at 877.774.9271. We are also available via our online chat, email or you can come in and visit us at our showroom and retail located in Centennial...
What are the hours of operation?
We are open 7 days a week, 364 days a year. Here are our current hours of operation. Phone Hours of Operation - Mountain Standard Time Monday: 6:00 am to 8:30 pm Tuesday: 6:00 am to 8:30 pm Wednesday: 6:00 am to 8:30...
Where are you located?
Our retail and warehouse location is located just south of Denver at: 15055 E. Hinsdale Drive Centennial, Colorado 80112.
Where can you find career opportunities?
A career at American Medical Sales and Rentals offers a chance to change lives and provides you with challenge, growth and development opportunities. View current job openings...
How do you subscribe to the Oxygen Concentrator Store monthly newsletter?
To receive our monthly newsletter and stay informed with the latest news, product releases, and much more click the following link and enter your email: Oxygen Concentrator Store...
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Customer Support
Are you having an website issue?
Are you having an issue with our website or do you need technical support? Please contact our web manager Scott at 303-483-7155 or email at
Forgot your password?
Click the following link to reset your password.
Where can you find return and exchange policies?
Return and exchange policies as well our customer satisfaction policies can be found here: Return and Exchange Policies.
How do you cancel your order?
If you placed an order and would like to cancel, please contact us to begin the cancellation process. Please refer to our customer satisfaction policies for more information regarding our return, refund, and cancellation policies. These policies can ...
How do you return your order?
First, please review our customer satisfaction policies regarding returning orders found here: Return and Exchange Policies. Then please contact us to begin the...
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Product Support
Does a portable oxygen concentrator need to be cleaned?
Yes, like any piece of equipment cleaning them is very important in sustaining the device. Make sure to refer to your owner's manual for proper cleaning and maintenance instructions. If you do not have your user's manual you may find a copy of it here...
Does an oxygen concentrator need servicing?
Not all concentrators are built the same way. Many modern concentrators are built in a way that the patient is able to perform any servicing themselves, while others may need to be brought into your dealers location for internal maintenance. Make sure...
How do you change a filter for an oxygen concentrator?
If your oxygen concentrator's gross particle filter (intake filter) can be taken out and cleaned, you should do so about once a week. Make sure the concentrator is off and unplugged, and follow the instruction manual for how to remove the filter on your...
How do you connect an oxygen concentrator to a CPAP machine?
In order to connect your CPAP device to a oxygen concentrator you will need a tubing device called a bleeder valve. View or purchase CPAP Values and Accessoires...
How do you calibrate a portable oxygen concentrator?
Refer to your owners manual for your specific unit's maintenance on how to calibrate a portable unit.
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Oxygen Concentrator Product Questions
How loud is the Respironics EverFlo Q?
The Respironics EverFlo Q home oxygen concentrator has a sound output that is a modest 40 decibels, incredible for an oxygen concentrator of such power. This is the noise equivalent of a very hushed conversation. Learn more about
What are the dimensions of the Respironics EverFlo Q?
The Respironics Everflo Q measures 15 inches wide by 9.5 inches long by 23 inches high, roughly the size of a carry-on suitcase.
How much oxygen will the Respironics Everflo Q provide?
The Respironics Everflo Q home oxygen concentrator will output up to 5 liters per minute of continuous flow.
What is the Respironics Everflo Q electricity usage?
The Respironics Everflo Q averages 350 watts of power consumption, making it one of the most efficient concentrators on the market. Learn more about Respironics EverFlo...
How much does the Respironics Everflo Q weigh?
The unit weighs 31 pounds and features convenient wheels to make transporting the machine room to room easy and convenient.
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Sleep Therapy Product Questions
Can my CPAP run on battery power?
Yes! A marine boat battery may be used if your machine has a DC power outlet all you will need is an adapter cable with alligator clips. If your CPAP does not have a DC outlet, you will need an inverter in order to run your unit on battery power.
What preparations are needed for travel with a CPAP?
It is very important that you carry a copy of your prescription and TSA ruling letters. Allow for a minimum of 10-20 minutes at security, it is not customary but it can happen. As this is a medical device not all personnel may know what a CPAP is, be...
How can I contact you regarding a CPAP question?
Please feel free to call us at 1-877-774-9271, send an email to American Medical Sales and Rentals , go to our Contact Page or join us on a Live Chat.
Can I call customer service to place my CPAP order?
Whether you need to place an order, have a question or need help with CPAP supplies and accessories, our CPAP representatives are readily available to assist you.
How does CPAP pricing work?
By purchasing all new equipment from our manufacturers' in large quantities we receive a manufacturers discount on our merchandise; this allows us to offer quality products from leading manufacturers and pass the savings on to you. Another way we keep...
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