WARMUP 1D: SAMPLE EXERCISE 1 QUESTIONS (AREA, R-VALUE, T, PEAK SHIFT)

1) Using the 100 sf south wall previously created, please answer the following questions. You may wish to do Energy Scheming runs to answer these questions. If you want to compare graphic reports, print them out by selecting Print Energy Performance Report from the File menu and configure the screen like this:



2) Which of the following would shift the peak gain the most: (There can be more than one correct answer, but if any one incorrect answer is checked, the question will be marked incorrect.)

double the insulation?
reduce the insulation by 1"?
make the wall lighter (more reflective)?
make the wall darker (less reflective)?
increase the maximum thermostat setting?
decrease the maximum thermostat setting?
use metal reather than wood siding?
use brick as the exterior?
reduce the area of the wall by 50%?
increase the area of the wall by 100%?


3) Input a north wall of 100 sf using Energy Scheming's default wall settings using the Phoenix climate for December clear.

What is the most effective way to reduce heat loss at 7 - 8 am?

double the insulation?
cut the area by 50%?
reduce the inside minimum tempertaure setting 10 F (55 F)?
change the wall to south facing?
change insulation to 6" rigid?

Click here if you would like to see the correct answers.



Return to:
Warm Up: Introduction
Warm Up #1A: Wall Area
Warm Up #1B: Wall R-Value
Warm Up #1C: Wall delta T
Go to:

Exercise #1A

Cool Down #1A


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