The downside of attic ventilation fans.
Are attic fans with humidistat effective.
This fan features aluminum blades osha compliant wire guards and automatic shutters that open and close in tandem with the operation of the fan.
However the utility of attic ventilation fans is actually quite a controversial topic.
Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.
The completely enclosed motor is thermally protected and permanently lubricated.
Attic fan with humidistat.
The normal indoor humidity range in winter should be 15.
Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature.
Good insulation reduces fan effectiveness.
If it is below the air it draws past it will satisfy the control too quick shut off then kick on again etc.
Make sure you mount the thermostat humidistat above the fan as far as possible.
I like to put a pigtail on mine then plug into a receptacle so the next guy can replace it easier.
A powered attic ventilator has a different purpose.
Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.
It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air.