Ventilation for a small HT room. Please help this fool.
Long story short, had my spare bedroom converted to a small dedicated theater late last year and arguably didn't do my homework on everything I should have.
What do I mean? Is it stuffy in here? Oh yeah, ventilation.... Or lack thre of. The room is a 10x13x8, on the second floor, ceiling goes to the attic and two exterior walls (front/right) and other 2 walls go into the interior hallway. The problem is there is only one forced air vent and no return; which means by the middle of a 2 hour movie you're less than comfortable. This is becoming especially apparent in the winter when the vent is essentially closed off because its pimping heat (I manually turn off the heater before we watch a movie).
After doing some research, which I should have done laet year, it appears many opt for a mini-split as the solution. At this point in time, I'm trying to avoid that route...at least right now.
What are my other options, if any?
My thoughts at a somewhat of cursory glance:
1. At the very least, a passive return in a form of cutting a hole in a wall that dumps into the rest of the house and add a grill. This is fine in the summer as the forced air is getting dumped into the room from Central HVAC.
2. Add an auxiliary 6" or 8" line to the room with an inline fan that in the winter can suck cold air in from the attic (add a filter). Maybe add a split with a dampner and have a another fan to actively suck air out of the room in the summer (dump it in the rest of the house as a return or dump in the attic)?
What do you guys suggest? Is there really a good (enough) solution without going the mini-split route? Thoughts?
Living Room-Sony 65" XBR900E, Denon X3300W, Nvidia SHIELD. 5.1.2-Ascend Acoustics CBM-170SE L/R, CMT-340Center, HTM-200SE Surround, RSL C34E Atmos, Sealed UM18-22 Sub.
"Micro Theater"-Optoma UHD51A, DIY 120" Spandex AT Screen, Denon X4400H, Sony UBP-800X, Nvidia SHIELD. 7.2.4 - DIYSG HTM-10 LCR, RSL CG3 Surround, Micca M-8C Atmos , 2 4cuf Sealed 18-22 Ultimax.