Thursday, October 21, 2010

Essential Questions

1. What is the difference between R-value and U-value? When are they used?
R-Value is the value used to indicate the resistance to the flow of heat while the U-Value is a measure of the heat transmission through a building part or a given thickness of a material with lower numbers indicating better insulating properties. To determin the amount of BTU's

2. What are some leading causes of solar gain?
Heat going through windows and doors.

3. What key areas of a building can minimize heat loss?
The walls with insulation.
4. Why is a cost estimate important to create before starting a project?
so you can expect what to pay for the project.

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