"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Down and synthetic fill are used in cold weather and outdoor gear. Down insulation from duck and goose ...

Around 30% of the heat lost from your home occurs through your roof. Another 25%, give or take, is also lost through your walls. Another 10-20% is lost through floors. For this reason, having a decent ...

Student created a model to show the effectiveness of various insulation materials. This model would be used to teach visitors about insulation and how insulating your walls in your house reduce energy ...