The ‘fan’ setting on a thermostat controls the operation of the air circulation system unbiased of heating or cooling. Sometimes, a thermostat gives two fan settings: ‘auto’ and ‘on’. The ‘auto’ setting prompts the blower motor solely when the heating or cooling system is actively operating. Conversely, the ‘on’ setting forces the blower motor to function repeatedly, circulating air all through the constructing even when the system just isn’t actively heating or cooling.
The continual air circulation offered by the ‘on’ setting can enhance temperature consistency all through a constructing, cut back stagnant air pockets, and improve air filtration, resulting in improved indoor air high quality. Traditionally, steady fan operation was extra widespread in older methods; nevertheless, fashionable vitality effectivity concerns have led to the prevalence of the ‘auto’ setting to preserve vitality. Whereas the ‘on’ setting consumes extra vitality, its advantages relating to air high quality and temperature distribution might be important in sure environments or for people with particular sensitivities.
