also, calculated oxygen consumption:
4,800 liters of air per hour will essentially be drained of its oxygen for all 16 to be burning. air is roughly 20% oxygen, so ~960 liters of oxygen consumed per hour.
in a tightly sealed house, this seems like a good recipe for carbon monoxide poisoning(or at least oxygen deprivation), which i can assure you, is not fun. waking up on the ground outside of your garage is something that tends to stick with you.
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