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					Originally Posted by packs  It's hugely expensive to upgrade HVAC. My place of work is about 30,000 square feet and it cost almost $45,000 to upgrade our system over last summer. | 
	
  Indeed. I've found confirmation of a new filtration system at the Theatre and DSCC here, very good news.  
https://rosemont.com/rosemont-reinvi...vid-19-tunnel/