HVAC professionals, it's best to operate with an unassuming mind set, nothing is ever absolute. On this episode we discuss keeping an open mind, verification of troubleshooting diagnoses and envisioning multiple scenarios. Cintas Link http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/