Rooftop fans are installed right on top of the roof and perform two tasks at once.
Attic fan or air conditioner.
To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Install an attic fan.
Both types of attic fans are popular as solar powered equipment.
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.
One to blow in the other to blow out.
Expelling the stagnant air and replacing it with cooler air.
Whole house fans and attic fans are often misconceived as the same type of fan and while they may share some similarities they have entirely different purposes.
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.
With so much premium placed on spaces attic conversion took off as a home remodeling fad.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Oh an attic fan will do that.
But as has long been attested by many homeowners the most recognizable challenges that hinder the full maximization of this space is air conditioning.
Whilst before an attic is mostly used as a convenient storage area it has now taken new significance in the light of importance placed on having an.
The whole house fan pulls air in from open windows and exhausts it through the attic and roof.
Put it in an attic full of blown insulation and you re.
Well mainly it s a way to save space.
So why put an hvac system up in the attic at all.
It provides good attic ventilation in addition to whole house cooling.
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.
The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
This is a very common misconception.
Adding an attic fan can improve the airflow in your attic to keep it cool.
Now if you did have central air conditioning i would tell you not to install an attic fan and here s why.
Choosing a more energy efficient air conditioner is one solution but for many homes an even better solution is an attic exhaust fan.
Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etc check with a professional to determine what is appropriate for your.