COVID-19 cases in India have slowed down to an extent, but the issue still persists. With many states grappling with the shortage of oxygen cylinder, vaccine, and beds, people are looking for a homecare workaround to protect their loved ones. In such a dire situation, the demand for oxygen concentrator devices has increased to recompense the shortage of oxygen supply. The benefit of this device is that it can be easily set up and operated at home. But the term is still relatively new for commoners and some barely have a proper understanding of how to use the device. In that case, we have listed a few takeaways about oxygen concentrator that might help the needy.