The ‘fan’ setting on a thermostat controls the operation of the air circulation system unbiased of heating or cooling. Sometimes, a thermostat provides two fan settings: ‘auto’ and ‘on’. The ‘auto’ setting prompts the blower motor solely when the heating or cooling system is actively working. Conversely, the ‘on’ setting forces the blower motor to function constantly, circulating air all through the constructing even when the system will not be actively heating or cooling.
The continual air circulation offered by the ‘on’ setting can enhance temperature consistency all through a constructing, scale back stagnant air pockets, and improve air filtration, resulting in improved indoor air high quality. Traditionally, steady fan operation was extra frequent in older techniques; nonetheless, fashionable vitality effectivity issues 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 could be important in sure environments or for people with particular sensitivities.
