If your building enclosure is in good shape a power attic ventilator is unnecessary.
Attic vent fans good or bad.
Attic fans reduce moisture in your attic.
It can quickly remove a larger volume of hot and or humid air from your attic when compared to static ventilation.
The problem with this design as argued by energy professionals is that attic fans also pull the conditioned air from your home into the attic.
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 fans exhaust hot air from your attic to the outside.
Fresh air is pulled in from your soffits and or roof vent creating a draft through your attic.
If it s not in good shape air sealing and insulation will save you more money and make your home more comfortable than power attic ventilators.
The attic coffin you mention which is used to air seal and insulate pull down stairs scuttle hole or a whole house fan is good in theory but in practice is cumbersome to install.
Even though a manufactured cover costs more it is far easier to install.
The master flow erv5 power roof vent is the master flow erv5 power roof vent is a great overall investment in attic ventilation.
Good insulation reduces fan effectiveness.
Homeowners can too easily inadvertently block them when insulating the attic.
This air is then exhausted through the fan to the outside.
While effective at pulling in cooler air the biggest problem posed by this type of soffit vents is their positioning.
Attic fans reduce heat dramatically.
The temperature in attics without attic fans can climb to as high as 150 degrees.
You naturally want to choose the very best one for your situation though.
Don t let your attic suck power attic ventilators are a bad idea.
Ideally this will lower the high temperatures that have built up in your attic.
This in turn can help save money on your heating and cooling costs.
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.
Do not use mechanical means electric attic fans.
Installing either a ridge vent or an attic fan can be a good way of getting adequate ventilation in your home.
They both work but do so by different means.
First timers may find it difficult to decide between different types of vents such as a ridge vents or attic fans.
Attic fans make your home.
However the utility of attic ventilation fans is actually quite a controversial topic.
As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in.
Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed.
