H30 has two working modes, and the noise level in each mode is as follows:

Eco mode: 66dB

Max mode: 75dB

H20 and H15 have two working modes, and the noise level in each mode is as follows. The max mode has stronger suction and the sound is louder. The Eco mode is suitable for dust and hard surface; the max mode is for larger debris.

Eco mode: 55db

Max mode: 68db

Besides, the running time differs in different modes. It's up to 9 minutes in max mode and 30 minutes in Eco mode. 

If your HomeVac is super loud, please contact us for further help.