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Bonus – Impressions From a Week as a Tech from a College Intern w/ Bill Spohn Jr.
Bill Spohn Jr. is going to college for a business degree but he took a week to see what it is like to work as an HVAC tech. He shares his impressions on this podcast.
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When the quiz or the teacher asks what “latent” heat is, there is generally some reference to it being hidden heat, which is what the word “latent” means. We then learn that it is heat energy transferred that results in a change of state rather than a temperature change. Later on, we hear a lot […]Read more
Take a Deep Breath: Respiratory Hazards in HVAC
DISCLAIMER: HVAC School is NOT an official OSHA safety training resource! Although we provide safety tips in good faith, our website is not a substitute for safety training from an authorized OSHA training source. When most people think about respiratory devices, their minds probably jump to soldiers wearing gas masks in warfare, hazardous waste […]Read more
Leaking (Bypassing) Valves
We had a class with our refrigeration techs, and the topic of leaking and bypassing service “angle” valves and ball valves came up. One of the techs pointed out that most valves recommend loosening the top nut on ball valves and the packing nut on angle valves before turning the stem for maximum longevity of […]Read more