Is it safe to close the glass doors in the fireplace when the embers are red (with the flue still open) to go to bed.
I have noticed sometimes I do this and a flame actually comes back after closing the glass doors. There is no outside combustion air source for this fireplace that I am aware of.
I have noticed sometimes I do this and a flame actually comes back after closing the glass doors. There is no outside combustion air source for this fireplace that I am aware of.