Even if you're not a market refrigeration tech, we all know that the primary function of refrigeration is to keep food cool. Easy, right? Even though food storage sounds pretty simple, there are a lot of things we should keep in mind when we think about food safety and quality. There’s a lot more to […]

The summer is a season of opportunity for HVAC technicians, and by opportunity, I mean a super high volume of service calls with a greater chance of callbacks.  We’re based in Florida, so our techs have to deal with the combination of blistering heat and higher humidity. That combo can cause all sorts of problems: […]

In a series circuit (loads connected in a row end to end), it's easy to calculate total circuit resistance because you simply add up all the resistances to get the total. In a parallel circuit, the voltage is the same across all the loads; the amperage is simply added up, but the resistance is a […]