How whole house fans work the whole house fan pulls air in from open windows and exhausts it through the attic and roof.
Hvac attic fan.
Good insulation reduces fan effectiveness.
Air is drawn in through the attic fan and air is expelled through the roof vent system to keep your attic cooler and drier preventing ice and moisture issues throughout the winter.
With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.
However the utility of attic ventilation fans is actually quite a controversial topic.
So why put an hvac system up in the attic at all.
The interactions of the stack effect wind hvac equipment with duct leaks and attic fans are complicated and unpredictable.
During the summer months the ducts in your attic and close to your walls can fill with warm air resulting in the fan blowing hot air into your house.
Here s why that is a good thing.
Adding two more fans to the mix instead of addressing the real problem which is the leaky ceiling is risky.
This will help to avoid premature damage to the shingles or mold building up in moist hot.
Sometimes air conditioned air will seep right through your ducts and become useless instead of heating and cooling your home.
An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents.
Unless you plan to convert your attic to a living space it doesn t make sense to seal it and route your hvac vents up there.
You may also bring in more humid and dirty air into the system which then gets circulated throughout your.
Therefore you may end up running your ac even more to counterbalance the extra heat.
Quietcool attic fans work almost everywhere almost anytime.
Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.
Attic hvac systems also require shorter ducts.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
But you can install attic fans which will continuously replace the stagnant air with fresh outdoor air preventing your attic from turning into an oven.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
There are two basic types of attic fans.
Rooftop fans and gable fans.
Attic hvac systems save space.
Well mainly it s a way to save space.
In addition to whole house fans the ducts of your central heating and cooling system can be modified to provide whole house cooling.
All ducts are at risk for this type of leakage.
During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.
Duct leakage causes a lot of problems including less.
