How loud is my Snow Joe Ultra? Your Snow Joe Ultra has a decibel rating of 100 dB. Related articles What depths will my Snow Joe SJ625E clear? How do I start my Power Joe? What safety precautions should I take when operating the Snow Joe Ultra? How do I assemble my SJ619E? I've pressed the switch button, then squeezed the handle, but my Snow Joe Ultra does not power on. What should I do?