Beginning in May 2013, the minimum AFUE rating for a new furnace ...

[09madisonrousseau09]

Beginning in May 2013, the minimum AFUE rating for a new furnace in the southern part of the United States is:
 
  A) 80 percent. B) 60 percent. C) 78 percent. D) 90 percent.

Question 2

Hot water heating coils should be piped:
 
  A) With PVC pipe to take advantage of PVC's natural insulating ability.
  B) For parallel flow so that the warmest water meets the coldest air.
  C) With iron pipe for durability and strength.
  D) For counter flow so that the warmest water meets the warmest air.

[meganmoser117]

Answer to Question 1

A

Answer to Question 2

D

[09madisonrousseau09]

TY

[meganmoser117]

You're welcome