reply to LazMan
Re: EXTREME freezing temperatures - What to worry about?
said by LazMan:I guess propane and natural gas ovens are exceptions, but again, I'd use a CO detector at least for peace of mind.
There's a reason building code specifies exhaust vents for fuel burning stoves (I.e. your range hood) must be vented to the outside, and have a source of make-up air; most commonly tied to the HRV these days..