Energy is used for heating a building by a heating system, and each system is equipped with a control, a heat producer, a heat exchanger, and a heat distributor. Given these facts, buildings use a combination of production, exchange, and distribution of energy to for what among the following options:
- energy usage
 - consumers
 - ventilation
 - views
 - survival
 - temperature
 - Quality of life
 - water


 

      temperature   