If you've ever sat close to a bonfire on a really cold night, you may have noticed that your face starts to get really warm. The minute you put your hands up and shield your face from the light of the flame, your face cools off almost immediately. That happens because the flame is heating […]

WARNING: THIS ARTICLE IS FULL OF CHEESY SPORTS REFERNCES – I UNDERSTAND IF YOU PASS ON THIS ONE, BUT PLEASE REFRAIN FROM SENDING THE REPLY EMAIL ABOUT WHY SPORTS OR STUPID OR WHY YOU DON'T WATCH THE NFL ANYMORE…. I GET IT… IT'S ALL GOOD  I really like an underdog story. I live for stories […]

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 […]