Insulating Attic To Keep House Cool
Just make sure the ceiling is airtight and fully insulated and the temperature in the attic doesn t matter much.
Insulating attic to keep house cool. For the same reason insulation shouldn t touch the roof s underside. So in answer to that question attic insulation is very important to keeping your house cool during a heat spell. Not only does seasonally switching your bedding freshen up a room but it s also a great way to keep cool. While textiles like flannel sheets and fleece blankets are fantastic for insulation cotton is a smarter move this time of year as it breathes easier and stays cooler.
Wall insulation can reduce a home s heat loss by 67 while attic insulation can lead to a 40 decrease in heating and cooling costs. But the proper insulation in your attic can keep the heat out by helping to seal your home s envelope and preventing temperature gains and air leaks especially when combined with new windows that aren t cracked or leaky. How hot and cold air interact. Just as insulation keeps heat in during winter it helps keep it out during summer.
If you ve got a two story house and you re used to upstairs rooms always being hotter than downstairs rooms it s not necessarily because the heat inside your home is rising to the upper floor. This reduces the air conditioning cost by keeping the attic a cooler space during the summer which means less heat in your house and less need to keep the ac running all the time. Soffit air is essential to the. If you re designing and building a new home keeping an unconditioned attic cooler in summer is pretty much irrelevant.
The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. 10 of your home heating bill costs stem from uninsulated floors. Insulating basement walls or slab foundation can reduce heating costs by10 to 20. Radiant barriers this is a type of insulation that is installed in the attic of a house or attached to the rafters of the roof.
You want high quality insulation in your attic as it will ensure that the cool air from your air conditioner can t escape your home. Having insulation in your attic can help you save up to 20 in heating and cooling costs. One caution point is to make sure that during the process of adding insulation that any attic ventilation that you may have at the soffits is not blocked off. And having insulation in your attic keeps the area at a consistent temperature.
In fact it s just as important for staying cool in the summer as it is in the winter and here s how.