Apples to Apples: AHRI Talks Motors and Drives Certification

For HVAC pros interested in motors and drives, Tuesday afternoon at this year’s AHR Expo in Atlanta featured a good chance to give the feet a rest and focus on the mind for a while. Air-Conditioning, Heating and Refrigeration Institute (AHRI) presented a three-phase session called VFDs: Method of Laboratory Test and a Case Study.

source https://www.achrnews.com/articles/140803-apples-to-apples-ahri-talks-motors-and-drives-certification