Hi all! I'm in the process of purchasing a small propane heater (15,000-25,000 BTU) for our 3 season porch. We use the porch intermittently, and really enjoy having dinner out there during the late fall and early winter! As I looked through the ventless heaters available, there is a choice between blue flame, which heats the air in the room, and infrared, which heats objects. Which one would allow us to turn the heater on and within a fairly short period use the room comfortably? I would lean towards blue flame, but thought I would throw the idea in the "Creek" and see what came out! Thanks in advance for any help you can offer.