Question

a good refrigerant must have a low boiling point.
true or false?

Answer 1

False.

It must have a high boiling point, or else its not a very good refrigerant.

Answer 2

True

Answer 3

It's false.

If it has a low boiling point that means it heats up faster. A good refrigerant should keep things cold thus, a high boiling point.

Answer 4

The liquid has to vaporise at the evaporator coil to cause cooling. The liquid at the evaporator coil should therefore vaporise easily, otherwise the compressor will have to create too much of vacuum to cause the liquid to vaporise. Thus, 'Boiling Point' of the refrigerant should be low.

Answer 5

For example freon boiling point 23.77 degree C

Answer 6

You guys are correct.