The most common forms of central heating are electricity and gas because they are the easiest to maintain. A gas heater simply takes
How do I know if my heat is gas or electric?
There's usually a small window located on the front of the heater. Look in the window. If you see a blue flame, it's a gas heat exchanger. ... While a gas forced air system uses burners in a combustion chamber to heat the air, electric furnaces use electric coils.
Does central heating need gas?
The basic idea of central heating is really simple: you have a boiler (an easily controllable furnace, fueled by gas) in a handy place like your kitchen or bathroom and it uses water, moved by an electrically powered pump, to carry heat into radiators in all the other rooms.
