Attic Fan Vs Adding More Insulation

Affix rigid foam insulation to the attic side of the hatch or door.

Attic fan vs adding more insulation. 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. There are also dissenting voices who say that the benefits of ventilation are. More ventilation is always better.

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. More is not always better. Instead of spending money on radiant barriers attic fans or levels of insulation above an r 40 investing duct sealing and shade screens would make more sense. 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.

Fans can cause increased loss of conditioned air. There s a handy chart on the chicago conservation corps blog. Fans fences fireplaces. In most cases it is not difficult to air seal and insulated an attic.

In the last several decades building codes have called for increased attic insulation. However if your soffit vents are dirty or clogged then you will have little to no airflow through the attic. 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.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. 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. So the ac was leaking into the attic and the insulation is awful energy bills were high to boot.

The thought process goes something like this. That s not a huge increase in the insulating value of the window especially given the cost to replace. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Adding a storm window brings it to an r 2.

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.