I understand how igloos stay insulated as a result of building fires inside them, but how do the emissions from the smoke get ventilated out of the igloo without suffocating its inhabitants?

Question

I understand how igloos stay insulated as a result of building fires inside them, but how do the emissions from the smoke get ventilated out of the igloo without suffocating its inhabitants?

In: Engineering

Answer 1

Normally you dont put a fire in an igloo. The purpose is not to make the igloo warm, but to make it not cold. So around -5 to 0 celsius is fine.