This is an open letter sent to staff at Kalos Services. Hey Everyone, First, I want to remind you that you are in no way obligated to read company emails or do anything work-related when you aren’t working. So, if you don’t want to be bothered by this on your day or time off, then […]

  What should the delta T (ΔT) be? What do you mean!? 20 degrees, of course! We are referring to the air temperature drop across an air handling unit or evaporator coil in cooling mode. Actually, depending on who you ask, the answer will range between 18-22 degrees Fahrenheit. Heck, I’ve heard some insist that […]

This article was written by my good friend Neil Comparetto, a contractor and industry influencer who is helping shape IAQ for the HVAC industry in the US for the better. Thanks, Neil! Indoor air quality (IAQ) monitors can tell you a lot about the air you are breathing. We find that the information is valuable […]