An optional item of equipment used to recover about 60 to 80 ...

[Chelseaamend]

An optional item of equipment used to recover about 60 to 80 percent of the energy contained in the air
  exiting a system and to deliver the energy to the incoming air is a(n) _____.
 
  a. ERV/HRV
  b. evaporative pre-cooler
  c. bypass humidifier
  d. economizer

Question 2

In which of these states would you be more likely to find an HRV instead of an ERV?
 
  a. Florida
  b. Maine
  c. Mississippi
  d. Georgia

[javimendoza7]

Answer to Question 1

a

Answer to Question 2

b

[Chelseaamend]

Excellent

[ashely1112]

TYSM