More than 80% of heating and cooling coils in the HVAC industry don’t make it to old age and need replacing. There are so many reasons why they fail prematurely that we can’t name them all in one newsletter. However, we can review the most egregious ones in commercial and industrial systems. Coil Construction or Arrangement Years ago, HVAC coils … Read More
More than 85% of all coil failures occur prematurely. This means very few coils ever achieve the longevity that was originally intended. There’s always a rhyme and a reason for every coil failure, and most can be identified based on experience and coil application science. Let’s take a closer look at coil failures – noting which ones can be identified … Read More
When you determine there is a hairline crack on a tube that is located very close to a header joint, what might this tell you? Adverse pressure issue Freeze damage Stress corrosion Brazed joint issue Hairline cracks are normally found in the direction the tubes run. When looking at the tube from the header end, they are located at about … Read More
