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American Medical Sales & Rentals AMSR is a provider of portable oxygen concentrators. We ship all over the US. We do it the BBB way

Oxygen Concentrator Store from American Medical Sales and Rentals has over 20 years of oxygen therapy experience 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.

Leaving a doctor's appointment with more questions than answers? You're not alone, especially with a new oxygen prescrip...
10/19/2026

Leaving a doctor's appointment with more questions than answers? You're not alone, especially with a new oxygen prescription.

Respiratory therapist Ryan Anthony, BS, RRT, put together 11 questions worth bringing to your next visit. A few of our favorites:
• How and when should I use my oxygen? (Some people only need it while active, others at rest too.)
• What if I feel great and don't think I need it anymore? (Keep using it until you've talked to your doctor.)
• Will I be able to travel with oxygen?
• Can I get a Certificate of Medical Necessity? (Ask right away to avoid insurance delays.)

Screenshot this for your next appointment, or read all 11: https://www.oxygenconcentratorstore.com/blog/11-questions-to-ask-about-your-oxygen-prescription/

The first truly cold morning of the year often feels harder to breathe through, and there's a reason for it.Cold, dry ai...
10/18/2026

The first truly cold morning of the year often feels harder to breathe through, and there's a reason for it.

Cold, dry air can irritate the airways and cause them to tighten, which is why people with COPD often notice the weather change before anyone else does.

Two things that help:
• Wrap a scarf loosely over your nose and mouth so the air warms a little before you breathe it in
• If you get winded, try pursed-lip breathing: breathe in through your nose for 1 to 2 seconds, pucker your lips like you're about to whistle, then breathe out slowly for 5 to 7 seconds

Pursed-lip breathing is one of five exercises on our blog, each with a short how-to: https://www.oxygenconcentratorstore.com/blog/5-helpful-breathing-exercises-for-copd/

Medicare Open Enrollment started this week, and it runs through December 7.If you use oxygen, three questions are worth ...
10/17/2026

Medicare Open Enrollment started this week, and it runs through December 7.

If you use oxygen, three questions are worth answering before you change anything:

1. Does the plan you're considering still work with your current equipment supplier?
2. Are your accessories (batteries, cannulas, filters) covered the same way they are now?
3. Has your Part B copay or deductible changed for next year?

Write the answers down before you compare plans. It makes the decision a lot faster.

Questions about your equipment? Call 877.774.9271.

As Healthy Lung Month continues and the weather turns, it helps to know the difference between ordinary seasonal stuff a...
10/14/2026

As Healthy Lung Month continues and the weather turns, it helps to know the difference between ordinary seasonal stuff and something worth flagging.

Three signs worth mentioning at your next appointment instead of waiting: shortness of breath that's new or getting worse, a cough that lingers well past a typical cold, or getting more winded than usual doing things that didn't used to bother you.

Most of the time it's nothing. It's just easier to mention it early than to wonder about it for another month.

We always love to hear from customers like Eton! Sending equipment in for service can feel stressful, and it's important...
10/13/2026

We always love to hear from customers like Eton! Sending equipment in for service can feel stressful, and it's important to us that the whole process goes smoothly from start to finish.

Financing gets pitched a lot and explained very little, so here's how it works with us.We offer 0% APR through three par...
10/12/2026

Financing gets pitched a lot and explained very little, so here's how it works with us.

We offer 0% APR through three partners: Affirm, CareCredit, and PayPal. Your monthly payment comes down to two things, the length of the term you choose and the price of the unit.

If you're not approved, that isn't the end of the conversation. Recertified concentrators start at a lower price, and we're happy to walk you through the options.

Checking your rate takes a few minutes and doesn't commit you to anything. Call 877.774.9271 or check at OxygenConcentratorStore.com.

A few things we hear a lot, answered plainly."Starting oxygen means I'm getting worse." Not really. It's a tool that hel...
10/11/2026

A few things we hear a lot, answered plainly.

"Starting oxygen means I'm getting worse." Not really. It's a tool that helps your body get what it needs so you can keep doing the things you want to do. It isn't a marker of decline.

"I'll be stuck at home." This is exactly the problem portable concentrators were built to solve. Plenty of oxygen users travel, work, and stay active with one.

"People will stare." In practice, most people don't notice, and the ones who ask are usually just curious.

Medicare's annual Open Enrollment runs October 15 through December 7. If you're due for a plan review, it's easier to do...
10/10/2026

Medicare's annual Open Enrollment runs October 15 through December 7. If you're due for a plan review, it's easier to do the thinking now than in the middle of the rush.

A few things worth checking: does your current plan still work well with your equipment supplier? Has anything changed with your Part B coverage or copay? And if you're thinking about switching, will your current concentrator and accessories still be covered under the new plan?

Our Buyer's Guide walks through coverage, pulse versus continuous flow, and the questions worth asking. It's free at OxygenConcentratorStore.com.

Fire Prevention Week runs October 4 through 10, and this year's theme is safe charging for lithium-ion batteries. That's...
10/09/2026

Fire Prevention Week runs October 4 through 10, and this year's theme is safe charging for lithium-ion batteries. That's the same kind of battery inside your concentrator.

A few habits worth keeping: charge on a hard, flat surface instead of bedding or furniture, use only the charger that came with your unit, avoid charging unattended overnight when you can, and stop using any battery that looks swollen, feels unusually hot, or shows visible damage.

None of this is specific to one brand. It's good practice for every lithium-ion battery in the house, from your phone to your portable.

If a battery is showing its age, we carry replacements for most units. Call 877.774.9271 and we'll find the right one.

If Medicare has not covered the portable unit you want, that is usually where people stop looking. There are a few other...
10/08/2026

If Medicare has not covered the portable unit you want, that is usually where people stop looking. There are a few other places worth checking first.

Veterans should ask the VA about oxygen equipment through their care team. If you have an HSA or FSA, a prescribed concentrator is generally an eligible expense, which makes it pre-tax money. And our price match means the number you found somewhere else is the number we will talk about.

Read more here: https://www.oxygenconcentratorstore.com/blog/pre-tax-oxygen/

Need more tailored answers? Call 877.774.9271 and we will walk through what applies to you. No prescription on hand yet is fine.

Address

15055 E. Hinsdale Drive
Centennial, CO
80112

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm
Saturday 8:30am - 5pm
Sunday 8:30am - 4pm

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