Answer:
I think energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, The thermal energy is used to heat water, which is pumped through a system of pipes and radiators. A warm-air heating system burns fuel in a furnace to produce thermal energy. The thermal energy is used to heat air, which is forced through a system of ducts and registers. A thermostat controls a home heating system.