When there was a LG 4mdqxsc in the stand in my living room, it gave people headaches from the noise. Normal conversation was difficult unless you were sitting next to the person. It was madness, and I switched to the Quiet One. Ahhhhhhh... bliss.
The LG 4s are noisy as advertised. I found many threads regarding this problem and found various suggestions around it. Jonathan's is best - put it in the basement.
Aj