Insulation

Definition: Materials used to reduce heat transfer between the interior and exterior of a building.

Relevance to home energy efficiency: Proper insulation is crucial for maintaining desired indoor temperatures and reducing the workload on heating and cooling systems.

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Benefits:

• Reduces energy consumption for heating and cooling
• Improves home comfort by maintaining consistent temperatures
• Can act as a sound barrier, reducing noise transmission

Drawbacks:

• Can be costly to install, especially in existing homes
• Some types of insulation may pose health risks if not properly installed
• Over-insulation can lead to moisture problems if not balanced with proper ventilation

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Statistics: The North American Insulation Manufacturers Association states that properly insulating your home can reduce your heating and cooling costs by up to 20%.