Appliance is used to adjust the temperature of the air in the dwelling. So that humans can live in an extremely hot or not too cold. Or to maintain a stable climate for any other purpose.
Is the appliance that is used to adjust the temperature of the air in the dwelling place to a man living in a cold or too cold, or use air treatment, for any other purpose.
electrical appliances, which is used to adjust the temperature of the air in dwelling for human beings living in a place not too hot or cold or not used to protect climate, for any other purpose.