Attic Need Supplimental Cooling Fans

With a hot attic the ceiling heats the building.

Attic need supplimental cooling fans.

The attic cools and the attic fan goes off. Without this open space the fans will not move much air. Install electric ventilators and attic fans which remove hot air from an attic. A whole house fan can be run from early evening to early morning effectively cooling the structure of your home using the cool free outside air.

That said air resistance and interference such as vent grates reduces the area of true ventilation. They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees. A fan cools things. Whole house fans combined with ceiling fans and other circulating fans provide acceptable summer comfort for many families even in hot weather.

The a c usage goes down. Additionally by aiding your central air conditioner fans lessen the workload of your hvac system thus reducing the helping to lengthen its lifespan. Attic fans and whole house fans together can help with home ventilation but they serve different purposes. Make sure that your attic is well insulated.

Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner. Whole house fans need windows and doors open and attic fans need lots of soffit vents to suck cooler outdoor air up into the hot attic. I ve had better success with insulation between the rafters and the hot roof radiates more to the surroundings.

By installing ceiling fans or using floor fans you can help to better distribute the cold air that comes from your air conditioner. In other words the entire vent opening doesn t count as vented space. Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation. Whole house cooling using a whole house fan can substitute for an air conditioner most of the year in most climates.

In addition to whole house fans the ducts of your central heating and cooling system can be modified to provide whole house cooling. Ventilation fans ventilation fans or powered attic ventilators are designed to cool the attic pushing out the hot attic air and rushing in a flow of cool outside air. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. When combined however they form a perfect union.