It would need a damper to keep from losing heat when not in use.
Using attic heat.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
Otherwise you will run into the issues you mentioned.
Powered attic ventilator fans designed to cool your attic by drawing the hot and humid air out of the attic and bring in a flow of chilly air from outside.
I am in the process of finishing a large bonus room in my ohio home.
Before beginning the project i considered how the roof heat could be used and designed and integrated an automatic system to bring the heat from the space just between the roof.
But by adding powered attic fans you will draw more air into the attic.
Two prototype attic heat harvester systems designed to use attic heat were installed tested and enhanced over a period of two years the first system was installed in balerno near edinburgh scotland and the second in toledo ohio usa.
Solar attic for heating.
What about using an attic fan in reverse to draw hot air out of the attic and into the house.
Using attic heat to heat home.
The water for my hotwater heater has to pass through it and pick.
However i have experimented with simply installing a fan in the attic access hatch and blowing attic air down into the home when the attic is warmer that the house.
Also the devices have benefits like protecting your roof from damage which might be brought about by the heat and humid moving around the attic thus damaging the insulations and.
Using insulation only keeps the attic s heat from traveling through your home.
Turn excess attic heat into hotwater.
You place the fans on the gable walls of your attic.
Like you i have wondered if attic heat could be used to heat my home.
If you had a thermostat in the house and in the attic so that it would only run when you need heat and the attic is hot.
While it does help to reduce the heat in your attic putting these fans in your attic costs more because of the loss of conditioned air.
I was wondering if i could heat the water in my swimming pool using the heat in the house s attic and i started messing about with a large s heatsink s thermal battery.
Using attic heat to help heat house.
Using attic heat recorded attic temperatures.
Preheating domestic water space heating a source of pre heated air for the clothes dryer pool heating.
If the air passes thru 200 of duct at a speed high enough to pump any significant amount of air into the other areas of the house it isn t in the duct long enough to warm up.
The air you lose from the attic is then drawn into your.
There is an ongoing interest in taking advantage of high attic temperatures for things like.