Conventional and Alternative Insulation Materials

Find the most energy efficient insulation types for your home. Whether you are looking to find a non-toxic option or want to learn more about alternative insulation materials, we have you covered.

By Dan Chiras
Updated on January 4, 2023
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by AdobeStock/artursfoto

Find the most energy efficient insulation types for your home. Whether you are looking to find a non-toxic option or want to learn more about alternative insulation materials, we have you covered.

Insulation serves one primary function: It retards heat flow into and out of homes. During sultry summers, insulation helps a building keep its cool. In the depth of bone-chilling winters, it helps hold the heat inside our homes.

Choosing the correct amount and kind of energy-efficient home insulation, and properly installing it in the walls, ceilings, floors and foundations of new and existing homes will make your home more energy efficient and economical, and much more comfortable. And, if extra insulation is paired with airtight home design and cost-effective, passive-solar heating and cooling measures, you can greatly reduce, even eliminate, the need for additional heating or cooling, and free yourself from utility-supplied power.

Insulation Information

Insulation falls into four categories:

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