1.1.1. Comfort Air Conditioning Systems

Try these first

1. 1.

   What does DBT stand for in air conditioning?

   Hint

   Think about the common air temperature!

2. 2.

   What is the primary purpose of comfort air conditioning?

   Hint

   What environments do we want to be comfortable in?

3. 3.

   What is the primary function of comfort air conditioning systems?

   • Regulate industrial processes
   • Maintain temperature and humidity for comfort
   • Improve air filtration

   Hint

   Consider where you feel comfortable and what makes it possible.

4. 4.

   True or False: The dew point temperature indicates when air becomes saturated.

   • True
   • False

   Hint

   Think about what happens when moisture in the air condenses.

5. 5.

   You have a 100 m² room requiring a cooling load estimate. The cooling factor is 150 BTU/m², with 10 occupants contributing 250 BTUs each and appliances adding 2,000 BTUs. What’s the estimated cooling load?

   Hint

   Break down each component: room area, occupants, and appliances.

6. 6.

   Explain how increasing humidity affects thermal comfort and how an air conditioning system could adjust to maintain comfort.

   Hint

   Think of how sweat evaporates in dry air vs. humid air.