In this short we discuss the differences between these gases and
why only nitrogen is to be used for purging, flowing and
About the Podcast
HVAC School is the ever growing online source for real training topics for technicians in the Air-conditioning, Heating and Ventilation Fields. In the podcast, we will share recorded training, tech ride alongs, share challenging diagnostic scenarios. All to help make the industry, your company, and your truck a better place to be.