A furnace works to warm a home by using vents and ductwork to distribute warm air. A blower circulates hot and cold air in the home. The furnaces are usually powered by gas. The furnace is equipped with an exhaust vent connector and ducts to circulate the hot air throughout your home or office. Electric furnaces can be a great alternative to gas-powered heating systems. Cost The cost of purchasing a new air conditioner furnace depends on the model and efficiency rating. Energy costs are...