Thursday, October 21, 2010

Essential Questions 2.2

1. What is the difference between R-value and U-value? When are they used?
The U-Value is the reciprocal of the R-value. They are used to find heat loss and gain.
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, better insulation will decrease heat loss.
4. Why is a cost estimate important to create before starting a project?
So you can prepare for the cost and make a bugit for it.

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