Dismantling a Gas Furnace

Electric is more to heat - but i wonder why bother to remove gas furnace if it was working . Have your electric if you want but keep the gas as a back up. I like hot air systems cause you can keep them off completely then if the home gets to cold put on for a couple hours then turn off till its to cold. But to rely on a hot air system to keep home very toasty then they run more then oil /gas water circulatory baseboard . Also gas is good cause it pumps gas in a power out so in a pinch your oven will keep you warm.