Back in the “good old days,” controls were all analog and mechanical, which simply means that they acted in a directly connected and variable manner based on a change in force. Both pneumatic (air pressure) or hydraulic (fluid pressure) systems are examples of mechanical or analog controls. When the pressure increased or decreased on a […]

  “What do you want to be when you grow up?” “Where will you go to college?” Young people hear those questions all the time. Although we ask those questions in good faith, they also carry a burden of expectations.  By asking those questions, we imply that we expect the children to go to college […]

First off, we need to clarify that very few unitary manufacturers use flares anymore. You will most often find flares on ductless and VRF/VRV systems and in refrigeration. A flare uses a flared female cone that's formed into tubing (usually copper). That cone is then pressed onto a male cone (usually brass) by a threaded […]