jojo's bizarre adventure all star battle

Fire, Frost, and Arcane. Those are the three Mage specs (specializations) in the World of Warcraft. Frost is usually employed for PvP, Arcana for mounting up big numbers against Bosses in PvE, and Fire for spreading those glorious flames all over the place (and setting up some pretty nice numbers in both PvP and PvE.) A tighter built home means less outside air infiltrating in the home, which means less oxygen to use for combustion within the furnace. As the furnace burns fuel and oxygen for combustion, it "eats up" surrounding air, which has to be "made up" with fresh air. If air cannot type in the home as easily anymore, this can cause serious issues. As the surrounding air is utilized for combustion, rather than substituted with oxygen, a negative pressure inside the space can happen. This could create combustion problems for the furnace, plus burn up fresh air for anybody inside the home.