I got to talk to Rob about his struggle and journey through addiction, how he overcame it and how he is now HVACing with the rest of us. Navac https://navacglobal.com/


Testo https://www.testo.com/en-US/


Bluon https://www.bluonenergy.com/


Refrigeration Technologies https://www.refrigtech.com/


Cool Air Products https://www.coolairproducts.net/


Danfoss https://www.danfoss.com/en/


Yellow Jacket  https://yellowjacket.com/


XOi Technologies http://www.xoi.io/hvac-know-it-all-demo/


Save 8% off at Trutech Tools using promo code knowitall https://www.trutechtools.com/