The HVACR service technician uses an array of tools and test
instruments to diagnose problems and evaluate system
performance. One tool that is readily available, inexpensive
and yet rarely used to...
On November 15, 2017
We all know that a properly charged refrigeration system utilizing
a receiver must have a liquid and vapor interface in the receiver.
And we also know that saturated pressure and temperature...
On July 5, 2016
All refrigeration piping materials are subject to changes in
temperature and will expand and contract with temperature change.
Installation techniques must allow for expansion and contraction
On June 7, 2016
Many refrigeration compressors break down simply because they
overheat. There are two main reasons why overheating can have such
a devastating effect on compressors: Loss of the lubricating
On December 17, 2015
Manufacturers of refrigerants, controls, and other suppliers
distribute hundreds of thousands of pressure-temperature charts to
the trade every year. It would be rare indeed to find a...
On July 1, 2014
Climate control is the technology of controlling fluids and gases
to vary temperature. Parker provides comfort, convenience and
control through refrigeration and air conditioning. Key
On July 1, 2013