Control bathroom humidity more efficiently with a new type of humidistat switch that turns an exhaust fan on and off in response to changing humidity levels.
By the DIY experts of The Family Handyman Magazine:October 2010
Follow the instructions included with the DewStop switch. Make sure the Power is off before you touch any wires in the box.
The new switch fits in the same spot as the old switch.
You may have to buy a new cover plate, though.
If you just turn your bath fan on when you start a shower and off when you leave the room, it doesn’t run long enough to remove excess humidity. If you leave the fan running too long, you’ll waste energy.
A new fan control switch called DewStop solves both problems. It calculates when condensation will occur and turns the fan on and off automatically to keep the humidity at an acceptable level. This computerized switch is a vast improvement over the humidistats that have been around for years. You simply replace the switch
or timer that controls the fan with the DewStop switch. It’s available online at www.dewstop.com
or from online retailers. If you’re replacing a double
switch that controls the fan and the light, order the version that includes a light switch.
Turn off the power at the circuit breaker box before removing the old switch.
Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.
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