How To Cool An Attic?

When the summer heat hits, your attic doesn't have to become an unbearable sauna. Understanding how to effectively cool your attic can not only provide more comfort but can also lower energy bills and enhance the energy efficiency of your entire home.

Why Is My Attic So Hot?


Ever wonder why your attic feels like an oven sometimes? There are a few reasons behind this. Let's start with ventilation, or rather, the lack of it. Without adequate air circulation, heat builds up, gets trapped, and has nowhere to go. Then there's the matter of insulation. Attic insulation helps keep heat out during the summer and in during the winter. But if your attic's insulation isn't good enough, the space can easily turn into a hot box during the summer. Also, the color and material of your roofing can absorb more heat if they are dark or not reflective. Finally, the presence of HVAC or ductwork in the attic can also contribute to the heat if they're not properly insulated.

How To Keep An Attic Cool?


Cooling an attic involves a combination of ventilation and insulation. First, ensure that your attic has proper ventilation. Ridge and soffit vents can create a natural airflow. These vents act like small windows for your attic, placed at the top (ridge) and bottom (soffit). Adding an attic fan can also help in pushing the hot air out. Secondly, insulation is your main defense against heat getting in, so upgrade it if necessary. Insulation with a high R-value, such as foil fiberglass, is most effective in blocking heat. Additionally, consider installing radiant barriers that reflect heat away from your attic.

How To Keep An Attic Cool In The Summer?

When summer hits and the temperature rises, focus on improving ventilation and insulation in your attic. Start by checking the vents. They need to be open and clear to function properly, so ensure they are not blocked by furniture. If it seems like your attic could benefit from more fresh air, consider installing additional vents to improve air circulation. Adding an attic fan can also be particularly effective during the summer, as it pulls hot air out of your attic, helping to keep the temperature down. Moreover, inspect for any air leaks and seal them to prevent warm air from entering the attic. Pay special attention to any gaps or holes around windows, where the roof meets the walls, or around pipes or wires.

How To Keep An Attic Bedroom Cool In The Summer?

Cooling an attic bedroom requires extra attention. Alongside ensuring good ventilation and insulation, there are a few additional measures you can take specifically for the bedroom area. Consider bringing in a portable air conditioner or a window unit. This is especially handy if you don’t want to cool down the entire house just to make one room comfortable. Thermal curtains can also be effective in reducing heat gain through windows. They work by blocking out a significant amount of the sun’s heat, preventing your room from turning into a mini greenhouse. Furthermore, using lighter colors for interior decoration can assist in reflecting rather than absorbing heat. Therefore, think about choosing light-colored paint for the walls or opting for light-hued bedspreads and furniture.

How To Cool An Attic With High Ceilings?

Cooling an attic with high ceilings can be a bit tricky. To manage this, first check if your ventilation system is adequate for the larger volume of space. Ceiling fans can be particularly effective in attics with high ceilings, as they help get the air moving from top to bottom, creating a pleasant breeze throughout. Another smart strategy is to use temporary partitions. These can help you better control the temperature in specific areas, which is especially useful if some parts of the attic are used more frequently than others.

How To Cool An Attic With Double Roofing?

Double roofing can trap more heat, making it vital to have an effective ventilation system if you don’t want your attic turning into a sauna. With two layers of roofing, there's double the space for hot air to get trapped. To address this, creating escape routes for this hot air is essential. Consider using a combination of ridge vents and soffit vents, which allow hot air to escape from both roof layers. Ridge vents, located at the very top of your roof, let out hot air, while soffit vents, situated at the lower part of your roof, allow cool air to enter. Additionally, placing insulation between the layers of roofing can significantly reduce heat transfer into the attic.

How To Keep Attic Cool In Summer And Warm In Winter?

To maintain a comfortable temperature in your attic throughout the year, achieving a balance between insulation and ventilation is crucial. Insulation solutions like Prodex Total are well-suited to keep your attic warm in winter and cool in summer. Proper ventilation is equally essential. In the winter, it prevents moisture buildup, and in the summer, it allows hot air to escape, ensuring your attic doesn't become excessively hot. During the colder months, attic heaters can be used sparingly to provide additional warmth without negatively affecting the ventilation system.

Need help choosing a product?