Does Attic Insulation Help With Cooling

In a conventional home an attic is vented to the outside and insulated with porous material that allows cold air to enter in the winter and cold air to escape in the summer explains cr herro.

Does attic insulation help with cooling.

With an already cooler temperature the air conditioner doesn t need to work as much to cool the house down. The fan will help move the hot air from your attic helping out the existing insulation infrastructure to create a comfortable. Every home is different but one commonality they all share is that a well insulated attic will make them easier to cool in the summer. The heat transfer is not due to heat coming down but the presence of 120 150 degree heat next to 78 degree air causes heat transfer but insulation traps the air along with sheetrock create an envelope that if properly ventilated prevents attic air from heating house air.

Having small insulation spaces in the attic if the attic space is less than r 19 you will need an attic fan. 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. If you find the ceiling beneath the attic is well above room temperature then it s a good idea to add more insulation there. But you may find your money is better spent insulating outlets and.

According to experts in the energy department a properly installed attic insulation can prevent the summer heat from seeping its way to your living room by 25 percent or more. Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace. Better insulation will make sure your house is the cool place to hang out this summer pun intended. You might want to shut your front door.

Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. Conditions that may make it necessary for you to have an attic fan include. The same can be said for cold climates. Attic insulation provides a barrier against heat transfer in and out of your home.

About attic ventilation natural attic ventilation. Attic insulation helps you stay cool during summer because it reduces your home s overall heat gain. This article explains the process in simple terms.