They are a bit noisy, but it depends on the location for your site. In a basement, maybe it doesn't matter as much (and HVAC equipment is likely to be much nois

They are a bit noisy, but it depends on the location for your site. In a basement, maybe it doesn't matter as much (and HVAC equipment is likely to be much noisier). Current models range between 49 and 55 dBA, equivalent to a refrigerator.