I recently bought a house that has an attic fan on a thermostat that seems to run whenever the outside temperature gets above about 70.
How to seal off attic fan.
I believe the best solution may be a combination of radiant barrier to stop the sun s heat from warming up the attic structure to begin with along with proper ventilation attic exhaust fan s insulation and air sealing.
It reduces air leakage through the whole house attic fan saving the homeowner heating and cooling loss and energy costs.
Whole house fans work on the principle of removing the hot and humid air out of the house.
Checking the seal once a week will ensure continual protection against losing heat through your attic fan.
The attic has about 2 3 of blown in cellulose is pitched i don t know the pitch but it s about average for a typical suburban house and has a gable vent on each end l shaped house.
Another way to seal off an attic fan is to use thick plastic and insulation.
When using plastic make sure the attic fan is properly sealed on all edges.
Air seal your attic for energy savings.
Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money.
The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.
It helps to cool your home temperatures and the attic by approximately 30 degrees.
If you pressurize the house with a window fan you may be able to feel the leaks with your hand as the air finds its way into the attic.
These furry creatures also tear up insulation chew on wires and support beams and wreak untold damage to your house.
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.
This prevents air dust movement from living space to attic.
How to seal off my attic so squirrels can t access it squirrel noises in the attic during all hours of the day and sometimes at night can be unsettling.
The whole house fan is installed inside the attic between the living space and ceiling.
Turn off the electricity to attic fan by unplugging or by disconnecting the hard wire from the junction box.
Hole in your ceiling and add a 100 watt bulb enough heat to bake cookies and you have a recipe for huge heat loss as well as a major contributor to ice dams.
Most people just add insulation to their attic this will not stop the escaping warm air.
Covering the attic fan vent saves energy and helps to prevent ice dams.
Seal off any air leaks at the ceiling.
