A defendant was on trial for murder. There was strong evidence indicating his guilt, but there was no corpse. In his closing statement, the defense…
There are specific things green technicians consider when accomplishing performance evaluations on systems with different types of motors. In our first example in Figure One,…
In a public square in Florence, Italy stands a marble statue that is known worldwide as a masterpiece. It’s Michelangelo’s David. Well, not the real…
A state trooper was traveling along a two-lane highway when he came up behind a slow moving vehicle. Figuring that the car was slowing down…
When confirming that a heat pump is performing properly in the heating mode, there a two factors to keep in mind regarding the process of…
…Dedication to professionalism …A culture of customer service …Leading while supervising …Coaching and mentoring …An effective in-house training program …A pricing system that ensures a…
When the development of mechanical refrigeration systems was in its infancy, the fundamental system design required the basic components we still use today: 1.…
Tongue-twisting terms used to identify the chemical make-up of the refrigerants we use are a long standing tradition in the HVACR industry. Throughout our history…
Here’s another example of excellent information that is available to students and technicians in the HVACR industry, just for the asking. Why Worry about…
I came across an article on the subject of superheat and subcooling and decided to post it here as an example of just how much…