Kevan hops on the podcast to talk Navac products in an educational way. We talk recovery machines, vacuum pumps and evacuation procedures, smart charging and powered flaring. All tools discussed are available at trutechtools.com. Use promo code knowitall to save 8% on your purchase. Testo 300 https://www.testo.com/en-US/products/testo300 Yellow Jacket Temperature Strap https://yellowjacket.com/product/adjustable-temperature-probe-strap/ XOi Technologies http://www.xoi.io/hvac-know-it-all-demo/