Updating HVAC equipment improves energy efficiency and pays back ...

[Mr.Thesaxman]

Updating HVAC equipment improves energy efficiency and pays back the expense of installation with savings over a ________ year period.
 
  A) 1- to 3 B) 5- to 7 C) 7- to 10 D) 3- to 5

Question 2

________ is the process of using native plants that require little or no water or maintenance.
 
  A) Xeriscaping B) Regreening
  C) Intensive vegetative roofing D) Landscaping

[joechoochoy]

Answer to Question 1

C

Answer to Question 2

A

[Mr.Thesaxman]

Thank you!

[joechoochoy]

Always glad to help...