Gas appliances can save you money because they are highly efficient. The most efficient natural gas furnace, for instance, has an annual fuel utilization efficiency of 97 percent. Natural gas homes are environmentally friendly. Natural gas is an abundant domestic energy resource.
Natural gas has an outstanding safety record.
Depending on the region of the country, it may be more readily available than oil heat. It allows you to heat only the rooms you choose, saving heating dollars. Conventional furnaces , in which gas warms a heat exchanger, which in turn warms air that circulates through ducts into rooms and back to the furnace. These furnaces are approximately 65 percent efficient. High efficiency furnaces and boilers , in which improvements like forced-draft systems, improved burners, and vent dampers raise efficiencies.