Apparently you haven’t heard of immersion cooling. It’s essentially silent, and many people are using DIY setups to augment a heat pump or hot water heater.

Commercial solutions have been in development for a few years. Here’s one example: https://www.wisemining.io/

Edit: after re-reading your comment I realize you also aren’t aware that miners can be throttled. Powering it down is not the only alternative to consuming 3kW.