Does Attic Insulation Help in Summer: Keeping the Comfort Intact

Does attic insulation help in summer? Most people have this wrong concept when talking about insulation. They mostly think insulation only provides extra warmth or protection against noise.

Insulation is about keeping your house efficient, especially regarding energy management and arrangement. If you do it right, insulation should be able to keep your house warm (and cozy) in winter and cool during the hot summer months.

How Insulation Works

Insulation is basically about creating a barrier for heat loss and gain, which can be installed on walls, floors, roofs, and ceilings. Not only is it practical, but it’s also cost-effective to keep your house comfortable.

does attic insulation help in summer

Proper insulation reduces the possibility of condensation, which means you can decrease mold and dampness. So, it’s also great to create a cleaner and healthier environment.

Benefits of Insulation

Insulation can do a lot of good things to your house. The general benefits are:

  • It cuts your bills for cooling and heating.
  • It reduces the energy consumption in general.
  • It keeps your house comfortable: warm in winter and cool in summer.
  • It makes your house cozy and comfy all year round

Read also: Can You Burn Insulation?

Moreover, insulation isn’t only good for your pocket, but it’s also good for the surrounding environment. Without the insulation, your house will leak energy. A lot of it. But with insulation, it helps you to:

  • Use less energy
  • Reduce the heating and cooling systems’ usage.
  • Reduce your (energy) bill so that you can save money.
  • Reduce greenhouse gas emission
  • Make the house somewhat soundproof
  • Improve the comfort of your house

How Can I Cool My Attic in the Summer

You should know that an uninsulated attic during summer months is basically like an oven, it will heat your house, top to bottom. If you wonder if attic insulation helps in summer, the answer is yes. With insulation, you can reduce the heat from reaching the area.

Most importantly, insulation will prevent heat from spreading and expanding to the entire area of the house. As a result, you can expect 20% savings, up to 60%.

Best Insulation to Keep Heat out

If you want to answer the question of whether attic insulation helps in summer, you need to know the best types of insulation. You want to be sure you choose the right material for attic insulation.

One of the best picks is the blown-in cellulose made from recycled paper products. This one is for you if you want to use environmentally friendly material.

Read also: What Is Blown-in Insulation Made of

You should know that such insulation is commonly treated with fire retardants, which means it’s safer than others, like fiberglass. Cellulose insulation is perfect for sealing air leaks. So, blown-in cellulose is considered the best option regarding effectiveness and safety.

Choosing the Right Insulation

Insulation comes with an R-value, representing its ability to resist heat flow. The higher it is, the better the insulating power would be. For attic insulation, the recommended value usually ranges from R-30 to R-60.

How to choose the R-value depends on your area. If you live in a warmer climate, you should go with a higher value to keep your house cooler during summer. But if you live in colder areas, go with a lower R-value.

It will keep you warm during colder months, especially in winter. With so many attic insulation types, be sure to research. You should be able to find the right one for your needs and climate.


There are a lot of things to consider when it comes to properly choosing the right insulation. If you are wondering about does attic insulation help in summer, you should be prepared now.

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Insulator is a skilled author and Insulation expert with years of experience in the field. He has authored several articles and books on various aspects of insulation installation, maintenance, and repair.