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vr vr
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6 years ago
What is a dual fuel heat pump?
 
  A) A heat pump that uses electricity to operate the outdoor unit and gas to operate the indoor unit
  B) An air source heat pump with a fossil fuel furnace for auxiliary heat
  C) A heat pump whose compressor is operated using a gas engine
  D) A heat pump that can be operated on either AC or DC electricity

 Q. 2

In a dual-fuel heat pump packaged system, when does the furnace go into use?
 
  A) only when it is most economical
  B) once the outdoor temperature reaches 5 degrees below the balance point
  C) only during winter conditions
  D) once the outdoor temperature reaches the balance point
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StevenSteven
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6 years ago
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vr Author
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#2
6 years ago
I hope they're paying you for this because all of them were correct Grinning Face with Smiling Eyes
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#3
6 years ago
not really, just a volunteer... and you're welcome Wink Face
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