Attic Fan Vs Air Conditioning

Because typically attic fans are so strong that not only do they take the hot air out of the attic but they reach down into your house and take the cool air out of the house as well.

Attic fan vs air conditioning.

Energy usage of about 40 watts at medium speed is typical. Compared to an air conditioning unit whole house fans are much less expensive to operate more environmentally friendly and more efficient at cooling. Both types of attic fans are popular as solar powered equipment. Another concern is that withinadequate ventilation the attic fan can createbackdrafting conditionswith combustion powered appliances such as gas stoves and gas water heaters.

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. One to blow in the other to blow out. The electricity consumption of a ceiling fan ranges widely depending on the design and the speed setting of the fan. Rooftop fans are installed right on top of the roof and perform two tasks at once.

Using attic fans in cold climates. Otherwise the fan will actually pull air conditioned air from the living area through cracks in the ceiling forcing the home s air conditioner to work harder. Since gable attic fans remove the hottest air in the home your air conditioner will be more efficient and you may be able to run it less while still effectively cooling your home. When set at low speed fans use between 15 and 30 watts and at high speed they consume between 50 and 100 watts.

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. Keep in mind that they re doing two separate things. Running a fan is always a lot cheaper than running an air conditioner. How is an ac system different.

In others you ll need air. Oh an attic fan will do that. Gable fans operate as two separate units on opposite sides of the attic. Expelling the stagnant air and replacing it with cooler air.

The benefit from lowering temperatures in the attic and thus reducing heat gain from the attic into the house is. An air conditioner while serving many of the same purposes is different than a whole house fan. Now if you did have central air conditioning i would tell you not to install an attic fan and here s why. In general attic fans are not effective at reducing air conditioning costs.

In some instances a fan will suffice.