conceptual representation of a radiator that radiates heat and heats the living space, central heating and costs for energy supply

background central closeup cold comfort comfortable control copy space domestic electric electrical electricity energy equipment glow glowing heat heater heating home horizontal hot house household indoor infrared interior object oil orange plumbing power radiator regulator room season steam system technology temperature thermal thermostat wall warm warmness warmth water winter conceptual representation radiates heats living costs supply generated