In this episode of the Working Joe's Podcast Ralph and Zack talk to Gary McCreadie. Gary is known as HVAC Know It All on Facebook and YouTube. Although Ralph did believe beforehand that Gary must be the most arrogant man on the planet (Know It All?!), both he and Zack soon found out that was far from true.

Check out Gary on Facebook - https://www.facebook.com/hvacknowitall/

Don't forget YouTube - https://www.youtube.com/channel/UC-MsPg9zbyneDX2qurAqoNQ