The document discusses different methods for saving heat in the home, including installing loft insulation made of fibreglass between wooden joints to trap air and slow heat loss through the loft, using double glazed windows filled with trapped air to insulate, and filling the cavity between an outer and inner wall with a mixture of air and mineral fiber to insulate. The author is Ben, a Year 9 student, and the document was created on October 23, 2000 for Dr. Overy's class.

1. Saving heat in the home Eventually all the heat will travel from the warm home to the cooler surroundings. We can only reduce the rate of loss of this heat travel.