Variable speed bathroom exhaust fan. IMO up-sizing a variable speed fan is a good idea – you can always turn it down. The key variables that do change depending on applications are the fan model and the air volume flow rate cfm. No need to control the speed if airflow is what you aim to control. A two speed switch would only work with a two speed motor however a variable speed motor control might work if the speed control is compatible with the exhaust fan motor. A variable speed controller designed to provide smooth control over the speed of your exhaust fan. Both Leviton and GE make these.
Put a damper on the inlet or outlet. Simply hang wet jackets clothes or gear on the built-in. Just dont use a dimmer switch intended for lights. It is fairly noisy and with rating of 110 cfm is probably more powerful than needed for the small bathroom.
Just dont use a dimmer switch intended for lights. The key variables that do change depending on applications are the fan model and the air volume flow rate cfm. Output power not more than 500w load current not more than 20a Please Note.
Thermostats with varying temperature ranges.
It is fairly noisy and with rating of 110 cfm is probably more powerful than needed for the small bathroom.
With the Broan-NuTone speed control dial you can turn most PSC bathroom fans into an adjustable speed fan.
Dial control knob for variable selection of speed and sound level has positive onoff action so you can select the precise ventilation level needed.
A two speed switch would only work with a two speed motor however a variable speed motor control might work if the speed control is compatible with the exhaust fan motor.
Controls fan controllers or switches come in many forms for specific needs of the equipment it is controlling. I just installed a new Nutone exhaust fan. The variable dual speed motor can be set from 30 to 130 CFM and adjusted after the fan has been installed. The speed of the tip of a fan wheel or prop measured in feet per minute. Just dont use a dimmer switch intended for lights. Round duct collar ensures proper air flow making it an ideal solution to comply with ASHRAE 622 whole dwelling or local exhaust as well as California Title 24 and CalGreen. Bathroom select a fan with a 50 to 80 CFM rating.
I just installed a new Nutone exhaust fan.
Damper will work but it loads the motor and makes it pull more amps to produce less air this will run you electric bill up.
Ultra Quiet Bathroom Exhaust Fan with LED Light and Nightlight 110CFM 15 Sone with Glass Cover Oil Rubbed Bronze Finish.
By adjusting your fans speed the noise level CFM and energy usage.
But maybe someone else has a door undercut vs bathroom exhaust CFM rule of thumb.
