Sometimes referred to as forced air systems, these heating systems burn natural gas, propane, oil, or use electricity to heat your home, and are the most commonly used heating systems. Air is heated in the furnace and then distributed throughout your house via ductwork.Click to see full answer. Also to know is, is my central heating gas or electric?Check the front of the heating unit to determine whether it is powered by gas or electric. A gas heat exchanger uses a burner to produce heat. There is a small window on the front of the heater where you can see a blue flame glowing. You can also hear the noise of the gas burner.Also Know, is it cheaper to heat your house with gas or electric? Less expensive to operate: Almost everywhere in the country, natural gas is significantly cheaper than electricity. Faster heating: Gas heat tends to heat up the home faster than electric heat because the gas furnace produces maximum heat as soon as the burners start running. Also question is, what type of heating is forced air? A forced-air central heating system is one which uses air as its heat transfer medium. These systems rely on ductwork, vents, and plenums as means of air distribution, separate from the actual heating and air conditioning systems.Is forced air electric heat Expensive?The average cost for an electric forced air furnace is between $1,500 and $3,500. Older heating systems are often more expensive to operate and are outdated. Newer forced air furnaces can reduce the amount of money that homeowners spend to heat their homes.