Refrigeration Tools - Digital NPQ

Best Digital Refrigerant Gauges HVAC Picks 2026

March 28, 2026 by Ron Kirk

I spent 15 years working with analog manifold gauges, doing manual PT chart lookups and calculating superheat by hand. The transition to digital refrigerant gauges changed how efficiently I could work. After testing the top 10 digital manifolds available in , I can tell you which ones actually deliver on their promises and which are … Read more

Best Ultrasonic Refrigerant Leak Detector 2026

March 26, 2026 by Ron Kirk

Refrigerant leaks cost HVAC technicians and facility managers thousands of dollars annually in wasted refrigerant and increased energy bills. Finding these invisible leaks quickly and accurately is essential for both economic and environmental reasons. The Klein Tools ET120 is the best ultrasonic refrigerant leak detector for most HVAC technicians due to its flexible 18-inch gooseneck … Read more