Is EPS the same as XPS?
No, these insulation products are quite different. EPS is closed cell expanded polystyrene, while XPS is a closed cell extruded polystyrene. The properties, applications and costs of each are quite different. The majority of ICFs are manufactured with EPS.

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HERS Index vs Energy Star
Energy efficiency in homes is vital for both economic and environmental reasons, which is why builders have robust tools like the HERS Index and Energy Star ratings to gauge and improve the energy performance of buildings.

