This topic contains a solution. Click here to go to the answer

Author Question: What is the difference between a COP and an HSPF? What will be an ideal ... (Read 66 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
What is the difference between a COP and an HSPF?
 
  What will be an ideal response?

Question 2

Why are fins added to the copper tubing on tube and fin coils?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jordangronback

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

COP is the ratio of heat out divided by heat in and is measured at one condition. HSPF is a measure of heat per watt and is measured for the entire heating season.

Answer to Question 2

Fins are added to the tubing to increase the surface area of the coil.




jordangronback

  • Sr. Member
  • ****
  • Posts: 339

 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

For a complete list of videos, visit our video library