Wood or coal was burned to make heat
Electricity
Solar energy is used for heating and electricity.
electricity
heating, electricity, and air conditioning
electricity, heating and cooking (i think)
It is widely used in industry and the home for motors, heating, lighting, computers, etc
fossil fuels used gor heating water to produce steam which further runs turbine to generate electricity
Coal, oil, and natural gas
A boiler is primarily used for heating. Water is heated and forced through pipes to heating receptacles called radiators. Giant boilers are also used for electricity. Water is heated to turn giant turbines that produce electricity.
solar power can be used for heating homes, lighting rooms and it can also be turned into electricity.
In the winter for heating, also for making coffee and doing the washing.
A small amount of electricity production, and some heating - mostly water.