help me get positive pressure in a room….

i have done a bunch of research on positive and negative pressures and am hoping someone can point me in a direction to research the topic…


basically, i have a 2700 sq ft house above ground and a big basement and a 5 ton trane heat pump and furnace


the unit works great except in my office… its a large room (maybe 28x25ft) with 3 exterior walls and lots of windows but none of the windows open…. basically, the room also has a fireplace and my house pulls air into the house from around the chimney (not from the chimney itself but from around the insert and the chase box itself)


i am going to have the chimney box insulated in a few spots to help but i also want to try and get rid of some of the negative pressure in the room


i have blocked the return vents in the room


what else can i do? i am looking for permanent solutions, not opening windows or anything in another part of the house


any thoughts? i know it is difficult to diagnose with the little info i have given but if you need more, let me know… would putting more air into the room form my vents work? taking air away from main floor or upstairs?

help me get positive pressure in a room….

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