Summer heat in a dry climate can push a regular fan past its limits and run an air conditioner into the ground. That is exactly where the best swamp coolers earn their keep, dropping incoming air temperature through plain water evaporation instead of compressing refrigerant. Our team spent weeks comparing eight of the most recommended … Read more
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
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
