1.4.1. Central AC System

Try these first

1. 1.

   What is comfort air-conditioning?

   Hint

   Think about where you would need a comfortable environment.

2. 2.

   Name one industrial application of air-conditioning.

   Hint

   Consider industries requiring specific environmental controls.

3. 3.

   Which of the following is a comfort air-conditioning system type?

   • Unitary AC
   • Chilled Water AC
   • Direct Expansion AC

   Hint

   Think about AC systems designed for residential or small commercial use.

4. 4.

   True or False: ASHRAE provides guidelines for energy efficiency and ventilation rates.

   • True
   • False

   Hint

   Recall the key objectives of ASHRAE.

5. 5.

   Design a small office's central air-conditioning system considering both summer and winter operations. What features would you include?

   Hint

   Consider the switch between cooling and heating modes for year-round comfort.

6. 6.

   Evaluate the energy efficiency of two different AC systems: a central system vs. individual window units in an apartment building. What factors would influence your analysis?

   Hint

   Think about the larger scale operation of a central system versus individual units.