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Fan Controls and Switches
Because our high quality fans operate at such low noise levels – timers and automatic switches are recommended. Automatic fan switching controlled by timers and occupancy sensors insure energy savings AND proper ventilation. IAQSOURCE.COM supplies a wide variety of switches to control fan ventilation and other functions like light and heat.
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Multi-function switches allow control of multiple fan functions (ventilation, lights, nightlight, heat) from one switch. IAQSOURCE.COM sells switches for up to four functions in one switch.
Timer switches turn fans on and then off after a set time has elapsed. Timers save energy AND insure proper ventilation.
Motion sensors sense occupancy or vacancy in a space, and can turn fans on or off automatically.
Some fans allow for variable speed control. A fan speed switch allows the user to set the fan speed to provide the perfect amount of ventilation. NOTE: some fans cannot be used with a speed control - check manufacturer's recommendations before using a speed control with a fan!
Pressure switches turn on fans based on positive and/or negative pressure in a duct system. Common applications include dryer boosting and HVAC duct boosting
Relays allow for switching of line voltage devices by low voltage thermostats, or by sensing of current. Dehumidistats and humidistats can turn on fans based on a drop or rise in humidity. Line voltage thermostats can turn on fans based on rise or fall in temperature.