One of the top questions asked by our customers when purchasing an Oxygen Concentrator, is "how loud is it?". Our standard answer is typically "about the sound of a box fan put on medium" as this seems to be something most people can relate to. Lets see if we can expand on this a little further.
Most "older" oxygen concentrators like the Invacare Mobilaire 5, the Puritan Bennett 590, old Airsep Newlife, and many others typically had their internal compressor mounted on rubber vibration mounts. The rubber mounts were designed to absorb the vibrations and noises of the compressor, and ensure the machine operated as quiet as possible. Over time, and with the internal heat of the machine, the rubber would rip, crack or sag. This would cause the internal compressor to rub or vibrate on the chassis of the machine which would cause loud vibrations and humming to emit from the concentrator. This is typically what most people complain about with old machines.
Nowadays, since technology and design has improved, most all Oxygen Concentrators have put their compressors on actual springs. This means the machines run quieter than ever, and never have to be replaced due to wear! Some larger oxygen concentrators that have these quieter spring motor mounts would be the Invacare Platinum(48dBA), and Airsep Elite (48dBA). These machines are larger and have bigger motors inside. These machines are a little louder but tend to last longer due to the larger internal components. Some of the smaller oxygen concentrators that have these quieter spring motor mounts would be the Invacare Perfecto (39dBA), Respironics EverFlo (40dBA), and Airsep VisionAire (40dBA). These machines also feature a smaller motor inside that operates quieter, and generate less heat! If you want an even quieter machine, you might want to look at the Respironics EverFlo Q. The Q stands for quiet! These machines feature extra sound deadening foam, a special quieter four way valve, and a different exhaust muffler. When combined, you get one of the quietest machines on the market!
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