The second law of thermodynamics puts the first law into context and establishes entropy as a concept. We can simply define entropy as a state of disorder that can only increase or remain the same in natural processes. Processes in which entropy remains the same are reversible, but ones that result in an entropy […]

If you are new to the trade, I'd like to welcome you. Like many skilled trades, the HVAC/R trade has many opportunities and can help you make a good living. If you are young and new to the trade, we need you. We are grateful to have you. However, if you aren't thoughtful, you might […]

Recovery is the removal of refrigerant from a system. From there, you can either store it and send it in for recycling or to reintroduce it back into the same system. Here are some top tips: Make sure your tank is empty and evacuated to 300 microns if you plan to return the refrigerant back […]