Attic Fan Vs Adding More Insulation

Is it more cost effective to install an attic fan or add additional insulation when the sun shines on your roof the dark shingles assuming that you have a shingled roof collect the.

Attic fan vs adding more insulation.

More ventilation is always better. Fans fences fireplaces. As it turns out because the insulation slows heat from moving down into the living space homes with well insulated attics don t see a significant reduction in their cooling load when they add attic ventilation fans. Affix rigid foam insulation to the attic side of the hatch or door.

More is not always better. Pull down stair or ladder. There are also dissenting voices who say that the benefits of ventilation are. Fans can cause increased loss of conditioned air.

About attic ventilation natural attic ventilation. If i add an electric solar attic fan to my roof i can help pull out more hot air from the attic and it will be cooler. Most experts contend that a well ventilated attic keeps the house more comfortable in summer and guards against moist heated air building up in winter. At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home.

The thought process goes something like this. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home. Adding a storm window brings it to an r 2.

Attic hatch or door. I was looking at getting insulation blown in as well as potentially adding an attic fan gable mounted and then i saw some articles online about radiant barriers. However if your soffit vents are dirty or clogged then you will have little to no airflow through the attic. In the last several decades building codes have called for increased attic insulation.

That s not a huge increase in the insulating value of the window especially given the cost to replace. So the ac was leaking into the attic and the insulation is awful energy bills were high to boot. In most cases it is not difficult to air seal and insulated an attic. There s a handy chart on the chicago conservation corps blog.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.