Location: Chicago-land area Situation: Finished basement about 1500 sq ft Basement has a bathroom, washer/dryer, HVAC system, and water heater, and has heating registers down there to stabilize temp Walls are insulated Ceiling height is low, about 6.5 feet total, with steel support beams and a few heating ducts not recessed into the ceiling at places making the height only ~6 feet Where I need help: I want to insulate the basement ceiling to help keep the upper floor a bit warmer and provide ...