One aspect of motor selection that can get overlooked is motor bearings, and it can have big consequences. Sleeve bearings are most common in residential and light commercial applications because they are less expensive and quieter. They don't have rolling “balls” but rather rely on a thin film of oil on metal sleeves. Sleeve bearings […]

This article is an updated version of another HVAC School article on oversized equipment. This edition is a joint effort by Genry Garcia of Comfort Dynamics, Inc. and Kaleb Saleeby. Both of them are regular contributors to HVAC School, and we are grateful for their contributions. Thanks, guys! The symptoms and consequences of oversized heating […]

When you first start your HVAC career, it’s pretty common to be afraid of failing or doing substandard work. The job market is competitive, and many new techs may worry that they’ll be inadequate and easy to replace. So, the fear of failure is common and understandable. Embarking on an HVAC career journey can be […]