Lecture Notes #12 Flashcards
(5 cards)
1
Q
what is “annual fuel utilization efficiency” (AFUE)?
A
ratio of annual output energy to annual input energy. this is used for gas burning appliances such as furnaces, boilers, and domestic water heaters.
2
Q
Define “Efficiency” in regards to HVAC design?
A
ratio of system output to system input
3
Q
What does Coefficient of performance (COP) mean?
A
ratio of heat removal to the amount of energy input in a complete cooling system.
4
Q
What is “Seasonal Energy Efficiency Ratio” (SEER)?
A
total cooling output of an AC unit during a normal cooling season.
5
Q
What is EUI? (Energy Utilization Index)
A
(BTUH/year) / ft squared
