Area If you don’t buy an air purifier that’s sized for the room it’s in, it will not be that effective in any way. This ecoqube purifier is also Energy Star certified so it is not going to make a big dent in your electricity bills. Likewise if you get an ecoqube air purifier that’s too large for your room you’re wasting electricity consumption which causes higher power bills. As expected the very first consideration to figure out is why you want to have an air purifier. Make sure you know why you need to purchase an air purifier so you can choose the most suitable model. An ecoqube air purifier is among those products. Modern-day air purifiers are usually fairly quiet and operate within a scope of around 40-50 decibel.