Originally Posted by mikeg
The issue is moving air. If you have a fan, you have noise. How much you can accept is the question.
If you can spend some $$. Then you want to pipe in the air from someplace else via ducts.
and then baffle the ducts...
mechanical noise from the generating source is the main issue then the air and what it excites during its journey..
ehh i am old
there was a window AC at our studio when we had 10% of the POP top 100 list on Billboard for a number of years
i want my room quiet too..three 90 deg curves inna boxed enclousure sinificantly reduces SPL..then ya gotta deal with air pressure differnces between room if you have a multi room envirnoment
[still in awe of old heads who did it all [65+]
get the Audio Cyclopedia