Through-Wall Fan

Corded

• Lowes $70 - [1]. 54 db.
• With temperature control AC Infinity - $100 - [2]. 48 dba.
  • Amazon - [3]

Other

• 4.5 sones menards $120 [4] 49.7 dba

UL Listed

• Super quiet 18dba, $70, controllable, with plug [5]
• 43.8 dba Sylvane, 54 dba on high - [6]
• ETL $90 49 dba [7]

Corded vs Plug-In

• If Corded, Needs Access Panel to Hide Cord
• It has a wall-wort [8]
• If hardwired, needs disconnect, but not if it's a small device under 300W [9], where the circuit breaker can be a lockable disconnect.