We have discussed DTD (design temperature difference) quite a bit for air conditioning applications, but what about refrigeration? Let's start by defining our terms again. Suction Saturation Temperature The saturation temperature is the temperature at which the refrigerant will be at a given pressure if it is currently changing state. This change of state would […]

It should be stated and restated that codes and code enforcement vary from location to location within the US. The IMC (International Mechanical Code) is one of the most widely utilized and referenced. The 2015 version of the IMC section 307 is what I will be referring to in this article. Condensate Disposal  The code […]

This article is primarily based on HVAC School’s “Drain Cleaning – More To It Than We Think,” hosted by Bryan Orr and featuring Corey Cruz and Mike Klokus. You can listen to that episode HERE. How hard could it be to clean a drain? The slime should just wash away if you flush the drain […]