We speak to Nick Stojkovski from INFICON about ultrasonic leak detection and their Whiper product. Nick helps us to understand the technology better and offers up ways we can utilize ultrasonic on our jobs for more than just refrigerant leaks. We also touch on the D Tek Stratus cloud hunting feature. 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/