John flood Refrigeration Basics Quiz June 23, 2022, 2:38 am

Related Tech Tips

Conservation of Energy Law
“Electric Motor energy transformation” by coach_robbo is licensed under CC BY-NC-SA 2.0. Many scientists and philosophers contributed to the discovery of the law of conservation of energy. People have been aware of the concept of energy conservation since ancient Greece. These ancient Greek philosophers, such as Thales of Miletus, believed that all substances on Earth […]
Read more
Is Liquid Incompressible?
Compressibility is the ability of a substance to be squeezed into a smaller volume. It is the change in volume and increase in density that results from an increase in pressure. The subject of compression should be familiar to HVAC techs. After the return air passes over the boiling refrigerant in the evaporator coils, the […]
Read more
Subcooling vs. Liquid Line Temperature
There is a common belief in the trade that the higher the subcooling, the better the system efficiency because lower liquid line temperature means less flash gas. This statement is only partially true and can lead to some confusion among techs. Subcooling is a temperature decrease below the condensing temperature of the refrigerant that occurs […]
Read more

Leave a Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from