Attic fan with humidistat.
Are attic fans with humidistat effective.
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.
However the utility of attic ventilation fans is actually quite a controversial topic.
Only installation required is the electrical hardwiring.
The normal indoor humidity range in winter should be 15.
The fan comes fully assembled out of the box.
The completely enclosed motor is thermally protected and permanently lubricated.
It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air.
A powered attic ventilator has a different purpose.
40 watt solar attic fan bdb with thermostat humidistat adapter 22 5 x 22 5 x 11 in runs at night brushless motor solar vent hail and weather resistant builder series by remington solar.
The downside of attic ventilation fans.
This fan features aluminum blades osha compliant wire guards and automatic shutters that open and close in tandem with the operation of the fan.
If it is below the air it draws past it will satisfy the control too quick shut off then kick on again etc.
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.