Vintage fan regulators, typically found on older
ceiling and table fans, often utilize a rheostat
or autotransform er to control fan speed by
varying the voltage supplied to the m otor. These
regulators, often housed in larger, m ore robust
casings, contrast with m odern elec-
tronic regulators that are sm aller
aanndd m ore energy-efficient.
The older m odels, while durable,
som etim es consum ed m ore
power and were prone to heat generation due to
the resistance-based m echanism s. Found in
Around 20th century in US.